Gulf Research Reports Vol. 11, 33-50, 1999 Manuscript received April 22, 1998; accepted August 20, 1998 AN ANNOTATED CHECKLIST AND KEY TO HERMIT CRABS OF TAMPA BAY, FLORIDA, AND SURROUNDING WATERS KarenM.Strasser^andW.WaynePrice* 'DepartmentofBiology, UniversityofSouthwesternLouisiana,PostOfficeBox42451, Lafayette, Louisiana 70504-2451, USA,Phone:318-482-5403,email:[email protected] ^DepartmentofBiology,UniversityofTampa,Tampa,Florida33606,USA,Phone:813-253- 3323,email:[email protected] ABSTRACTFourteenspeciesofhermitcrabs,belongingto5genera,wereidentifiedfrom35stationsinTampa Bayandadjacentcontinentalshelfwaters.Ninety-twosamplesweretakenfromtheintertidalzoneto15mwith avarietyofgearincludingdipnets,trawls,dredges,andhandcollectionsusingSCUBA.Pagurusmaclaughlinae, Paguruslongicarpus^andPaguruspollicarisw'eredistributedthroughoutthebay.Thesespecieswereoften sympatric,andwerecommonlyfoundinseagrassbeds,sandysubstrates,andsand/mudsubstrates,respectively. Clibanariusvittatus,Pagurusgymnodactylus,andPagurusstimpsoniinhabitedthehighcrsalinitywatersofthe bayentrance.Pagurisiessp.,Paguristeshummi,PagurusimpressusandPelrochirusdiogeneswerecollected from thelowerbaytooffshoreonhardsubstratesandsand. Paguristespuncticeps,Paguristessericeusand Paguruscarolinensiswerecollectedonlyoffshoreonhardsubstrates.Thelatterspeciesisreportedfromthe GulfofMexicoforthefirsttime. Isocheleswurdemanniappearstoberestrictedtohighenergybeaches.An illustratedkeyaswellasinformationondistribution,reproductivebiology,taxonomicproblems,symbionts, andcolorationarepresented. Introduction inhabitingtheTampaBayarea,andprovideanillustrated keyasanaidtotheiridentification.Inaddition,information TampaBay,thelargestopen-waterestuaryinFlorida on reproductive biology, coloration, and taxonomic (TampaBayNationalEstuaryProgram 1996),supportsa considerations is included. richdiversityofinvertebrateswhichoftenoccurinhigh densities(Simon 1974).However,thehermitcrabfaunaof Materials and Methods this embayment and adjacent waters is poorly known. Althoughpriortothepresentstudy 15speciesofhermit Morethan90samples(over850specimens)ofhermit crabsweredocumentedfromtheshallowwaters(15mor crabsweretakenat35locationsintheTampaBay,Florida, rleescso)rdoefdtfhreowmetshtecToaamstpaofBaFlyorairdeaa,(oTnalblye51)h.aTvheebfeiersnt maraedaetobyatdheepatuhtohfor1s5fmro(mFi1g9u9r1e-1I9).97M;ohsotwceovlelre,ctaidodnistiwoenrael species reported was Paguruspollicaris Say, 1817, by material was examined from the University ofTampa Ives(1891)neartheentranceoftheManateeRiver,which InvertebrateCollectionandtheFloridaMarineResearch flows into Tampa Bay. Over 50 years later, Paguristes Institute,St.Petersburg,Florida.Specimenswerecollected hummi Wass, 1955, was collected in tidal pools at the with a variety ofgear types and techniques; these are mouth ofTampa Bay. Provenzano (1959), in a major taxonomic paper on the shallow-water hermit crabs of includedinAppendix1withthestationnumber(Figure1), Florida, cited only 1 species from the TampaBay area, bottom type, temperature, salinity, depth, and species foundat eachstation. Morphological terminologyused Pagurus longicarpus Say, 1817. In the most recently published surveyofmacroinvertebrates ofTampaBay, foridentificationinthekeyisgiven in Figure2,Unless otherwisenoted,illustrationswerepreparedwiththeaid DragovitchandKelley(1964)foundPelrochirusdiogenes (Linnaeus, 1758)aswellasPaguruslongicarpusandP. ofadissectingmicroscope anddrawingtube. pollicaris. Duringthenext20years, several systematic Synonymies (restricted to primary taxonomic accounts were published on hermitcrabs from Florida publications),materialexamined,distribution,andnotes waters (Mclaughlin and Provenzano 1974a, 1974b, onecologicalandreproductivebiologyareprovidedfor McLaughlin 1975,Garcia-G6mez 1982,Lemaitre 1982, each species in the systematic account. For species in Lemaitreetal. 1982),buttheyincludednorecordsfrom which detailed coloration notes are available in the Tampa Bay. McLaughlin and Gore (1988) reported P. literature,onlykeycolorcharactershavebeenprovided. maclaughlinaeGarcia-Gomez,1982fromTampaBay,ina For the other species listed below, descriptions of studyon the larval developmentofthisspecies. colorationforlivingspecimensarereportedforthefirst The present study was undertaken to assess the time,oradditionaldetailisgiventosupplementexisting species composition and distribution of hermit crabs notes.Thematerialexaminedispresentedinthefollowing 33 Strasser and Price manner: station number: date collected (number of thepresentstudyaredepositedintheUniversityofTampa specimens).Ovigerousfemalesaredesignatedwithan(o). InvertebrateCollectionexceptforrepresentativespecimens Collectiondatesfollowedbyanasteriskindicatespecimens ofeachspecieswhicharedepositedinthehiationalMuseum borrowedfromtheFloridaMarineResearchInstitute,St. ofNaturalHistory,SmithsonianInstitution,Washington, Petersburg,Florida.Collectionsdatesbefore1991thatare DC, (catalog number of specimens referred to as not followed by an asterisk are from the University of Paguristessp.isUSNM265379). TampaInvertebrateCollection.Specimenscollectedduring Table 1 HermitcrabspeciesreportedfromthewestcoastofFlorida(Florida/AlabamabordersouthtoCapeSable)toadepthof 15m.Speciesrecordscontainedinthistablewerecompiledfrompublishedliteratureasindicated. Lemaitreetal.(1982) concludedafterastudyofthespeciesoftheProvenzanoiCroup,thedistributionofPagurusannulipesdid notincludethe west coast of Florida. The authors did not examine Wass* material, and assigned his material to Pagurus maclaughlinacfP.stimpsonijP.gymnodactylusyand/orP.criniticornls. Location Reference Family Hiogenidae: Clibanariusvittatus Pensacola Cooley 1978 St, Joseph Bay BrooksandMariscal 1985a Sopchoppy Hazlctl 1981 Alligator Harbor Wass 1955 Tampa Bay Present study LittleGasparillaPass Ives 1891 Isocheleswurdemanni PerdidoKey Rakocinskietal. 1996 St,GeorgeIsland Caine1978 Alligator Harbor Wass 1955;Provenzano 1959 Tampa Bay Present Study Paguristeshummi PerdidoKey Rakocinskietal. 1996 Pensacola Cooley 1978 DogIsland Sandford1995 Alligator Harbor Wass 1955;Wells 1969 ClearwaterBeach Provenzano 1959 Tampa Bay Wass 1955; Presentstudy SanibelIsland GunterandHall 1965 Marco Island Provenzano 1959 WestCoastofEverglades Rouse 1970 Paguristespuncticeps NorthwestCoastofFlorida Provenzano 1959 offTampa Bay Present study Paguristessericeus offHorseshoeCove Provenzano 1959 offSt.PetersburgBeach Provenzano 1959 offTampaBay Present study Paguristestortugae Marco Island Provenzano 1959;McLaughlinandProvenzano 1974a Everglades Rouse 1970 Paguristessp. Tampa Bay Present study Petrochirusdiogenes Pensacola Cooley 1978 AlligatorHarbor Wass 1955 Tampa Bay DragovichandKelley 1964;Presentstudy Everglades Rouse 1970 Family Paguridae: ? Pagurusannulipes AlligatorHarbor Wass 1955 Pagurushrevidactylus St. AndrewsStatePark McLaughlin 1975 Paguruscarolinensis offTampaBay Present study 34 HermitCrabsofTampaBay,Florida TABLE1(Continued) Location Reference Family Paguridae (continued): Pagurusgymnodactylus PerdidoKey Rakocinskietal. 1996 Pensacola Lemaitre1982 CedarKey Lemaitre1982 AncloleAnchorage Lemaitre1982 Tampa Bay Present study Marco Island Lemaitre1982 Pagurus impressus Pensacola Cooley 1978 DogIsland Sandfordl995 AlligatorHarbor Wass1955;Wells1969 SeaHorseKey Provenzano 1959 ClearwaterBeach Provenzano 1959 Tampa Bay Benedict 1892(seeWilliams 1984);Presentstudy SanibeiIsland Provenzano 1959 Everglades Rouse 1970 Paguruslongicarpus PerdidoKey Rakocinskietal. 1996 Pensacola Cooley 1978 St. Joseph Bay BrooksandMariscal 1985a DogIsland Sandford1995 AlligatorHarbor Wass1955;Wilber1989 Panacea WilberandHerrnkind 1982 WakullaBeach WilberandHerrnkind1982, 1984;Wilber1989 CedarKey Provenzano 1959 Crystal River Lyonsetal. 1971 ClearwaterBeach Provenzano 1959 Tampa Bay Provenzano 1959;Dragovich&Kelley 1964;Presentstudy SanibeiIsland Provenzano 1959;GunterandHall 1965 Rookery Bay Sheridan1992 Everglades Rouse 1970 CapeSable TabbandManning 1961 Pagurusmaclaughlinae Crystal River Garcia-G6mez1982 AncloteAnchorage Lemaitreetal. 1982 Tampa Bay McLaughlinandGore 1988;Presentstudy Estero Bay Garcia-G6mez1982 Rookery Bay Sheridan1992 Everglades Garcia-Gdmez1982 PaguruspoUicaris Pensacola Cooley 1978 St. Joseph Bay BrooksandMariscal 1985a, 1985b DogIsland Sandford1995 AlligatorHarbor Wass 1955;Wells1969 Panacea Brooks 1989 CedarKey Provenzano 1959 Tampa Bay Ives 1891;DragovichandKelley 1964;Presentstudy LemonBay Provenzano 1959 LittleGasparillaPass Provenzano 1959 CharlotteHarbor Provenzano 1959 SanibeiIsland Provenzano 1959;GunterandHall 1965 Rookery Bay Sheridan1992 Everglades Rouse 1970 Pagurusstimpsoni AncloteAnchorage Lemaitreetal. 1982 Tampa Bay Present study Iridopaguruscaribbensis offPanamaCity Williams1984 35 Strasserand Price 5. 6. Figure 1. Location ofcollection sites in the Tampa Bay area. KeytotheHermitCrabsoftheTampaBayArea 1. Third maxillipeds approximated atbase (Figure 3a) Rostrum broadly rounded or pointed, not extending [FamilyDiogenidae]2 beyondlateralprojectionsofcephalicshield(Figure4e) Thirdmaxillipedswidelyseparatedatbase(Figure 3b) Paguristes hummi [Family Paguridae] 8 Rostrumslenderandclearlyextendingbeyondlevelof 2. No paired appendages present on first 2 abdominal lateralprojections(Figures4f,g,h) 6 segments of either sex; dactyl of fourth pereopod Ocularaciclesendinginmorethanoneterminalspine subterminal(Figure3e) 3 (Figure4f) Paguristes sp. Paired appendages present on first 2 abdominal Ocularaciclesendinginsimplespine(Figures4g,h) segments ofmale (Figure 3c), and first only offemale 7 (Figure3d);dactyloffourthpereopodterminal(Figure3f) 5 7. Anteriorandlateralmarginsofcephalicshieldmeeting atbroadlyobtuseangle(Figure4g) 3. Chelipedsdissimilarandunequal,rightslightlylarger Paguristes puncticeps thanleft,rightwithcalcareoustip(Figure4a) Anterior and lateral margins of cephalic shield Petrochirusdiogenes meetingatnearrightangle(Figure4h) Chelipeds similar and subequal, both with corneous Paguristes sericeus tips(Figures4b,c) 4 4. Finger tips spooned (Figure 4b); antennal flagellum 8. Ocularaciclesendinginmorethanonespineorwith submarginalspines(Figure4i) long and not setose Clibanarius vittatus Fingertipsaccuminate(Figure4c);antennalflagellum Paguruscarolinensis shortandvery setose(Figure4d) Ocularaciclesendinginasingleterminalspineorwith Isocheles wurdemanni subterminalspine(Figure4J) 9 36 — HermitCrabs oeTampaBay, Florida 9. Antennal flagellum withpaired setae,3-8 articles in length,atleasteverysecondarticleproximally,decreasing inlengthdistally(Figure4k) Pagurus gymnodaciylus Antennalflagellumwithsetae1 articleinlengthorless (Figure41),orirregularlyshortandlongsetaeoverentire length 10 10. Oneorbothchelipedsbroad,rightcheladorsoventrally flattened(Figures4m,n) 11 Rothchelipedsnarrow,rightchelanotdorsoventrally flattened(Figures4o,p,q) 12 11. Dactylofrightchelipedwithsharplyproducedangle onoutermargin; lackingdepressionondorsalsurfaceof proprodusofeithercheliped(Figure4m) Pagurus pollicaris Dactyl of right cheliped without sharply produced angleonoutermargin;withdepressionondorsalsurface ofproprodus ofboth chelipeds(Figure4n) Pagurus impressus 12 Dactylsof2ndand3rdpereopodseachwithoutrowof Figure2.Schematicdrawingofahermitcrabindorsalview (after McLaughlin 1980) corneousspinesonventralmargin(Figure4r);eyestalks short,lengthapproximately3timesthewidth Pagurus longicarpus Knownrange.PotomacRiver,Gunston,Virginia,to Dactylsof2ndand3rdpereopodsarmedwithrowof Florianopolis,SantaCatarina,Brazil(ForestanddeSaint Laurent1967). strong corneous spines on ventral margin (Figure 4s); Remarks. Only 4 specimens of C. vittatus were eyestalks long, lengthatleast4timesthewidth collectedatthemouth ofTampaBay in seagrass, sand/ 13 mud and rockjetty habitats. This species is commonly 13. Leftchelawithlongitudinalridgeondorsalsurfaceof found inshallowsubtidalandintertidalzonesofharbor propodus, unarmed or with weak spines or turbercles beaches,mud flats(Pearseetal. 1942), rockjetties,bay (Figure4p) Pagurus stimpsoni shores(Whittenetal. 1950),saltmarshesneartheocean Leftchelawithoutridgeondorsalsurfaceofpropodus, (Heard1982),andseagrass-sand/mudareas(Loweryand midlinearmedwithasingleordoublerowofstrongspines Nelson 1988). Although C. vittatus is euryhaline (10- (Figure4q) Pagurus maclaughlinae 35%o)(Heard1982),itismorecommonlyfoundathigher salinities,whichmaybenecessaryforeggdevelopment SystematicAccount (Lowery and Nelson 1988). Although higher salinity habitatsweresampledatdifferentseasonsinthepresent FamilyDiogenidaeOrtmann,1892 study, fewanimalswerefound. Thus, itappearsthatC Clibanarius vittatus (Bose, 1802) vittatusisuncommonintheTampaBayarea. OvigerousfemalesofC.vittatuswarereportedfrom — Pagurusvittatus. B—ose 1802:78,Plate12,—Figure1. NorthCarolinainJune(Kircher1967),SouthCarolinain Clibanariusvittatus. Stimp—son 1862:83. Hayand July and August(Lang and Young 1977), east coastof Shore1918:410,Plate30,Figure9. ^Provenzan—o1959:371, FloridafromApril-September(LoweryandNelson1988), Figure5D.—Holthuis19—59:141,Figures26,27. Williams southern Florida in October (Provenzano 1959), 1965:120, Figure 97. Forest and de Saint Laurent northwesternFlorida in June (Cooley 1978) and Texas 1967:104 Coelho—andRamos1972:170.—Felder1973:32, from May-August(Fotheringham 1975). No ovigerous Plate3, Figure20. Williams 1984:194, Figure 135. femaleswerecollectedduringthisstudy. AbeleandKim 1986:29,339d,e, Coloration.Lightlongitudinalstripesonthesecond — Material.Station14:3Aug1993(1). Station20:25 andthirdpereopods.SeeProvenzano(1959)foradditional June1993(1).—Station23:May 1973(2). detail. 37 — . Strasserand Price Figure3.a)ThirdmaxillipedsofDiogenidae,b)thirdmaxillipedsofPaguridae(aandbredrawnfromProvenzano 1961), c)PaguristeSyventralsurfaceofmale,gonoporesoncoxaofFifth pereopods,d)Pagurisies,ventralsurfaceoffemale,Mxp 3=coxaofthird maxilliped,gonoporeson coxaofthird pereopod,e)ClibanariusvittatuSydistalend offourth pereopod, dactylsubterminal(scale-2.5mm),f)Pagurisies5er/c<ms,distalendoffourthpereopod,dactylterminal(scale-2.5mm). IsocheieswurdemanniStimpson,1862 Petrochirusdiogenes(Linnaeus, 1758) — — Isocheies wurdemanni —Stimpson 1862:85. Cancerdiogenes L—innaeus 1758:631 Provenzan—o1959:375,Figure7. Felder,1973:32,Plate3, Cancerbahamensis He—rbst 1796:30. Figure21. AbeleandKim 1986:29,353d. Petrochirusgranvlatvs—Stimpson 1859:234.— Material.Station28: 1June1991(3). Petrochirusbahamensis ^Benedi—ct1901:140. Hay Knownrange.Texas,Louisiana,westcoastofFlorida andShore—1918:410,Plate30,Figure6. Schmitt1935:206, andVenezuela(Provenzano1959). Figure66. Provenzano1959:378,Figure8.—Provenzano Remarks.Whereasthisspecieswasonlycollectedin 1961:153. — shallowoffshorewatersalongthehighenergybeachesof Petrochirus — Holthuis1959:151. Williams AnnaMariaIsland,itisprobablyfoundinsimilarhabitats 196—5:122,Figure98. Provenzano1968:147,—Figures.1- alongtheentirewestcoastofFlorida.Thisisconsistent 12. Felder 1973:30, Plate 3, Figure 14. Williams with observations made by Caine (1978) who studied 1984:198,Figure138.—AbeleandKim1986:—3l,353e,f. activitiesofI.wurdemannialongtheGulfofMexicobeaches Materia). Station10:28May1966*(1). Station14: 23Jan.1993(1).—Station23:9Feb.1965*(1).—Station26: sofpeSct.imGeenosrgweerIeslcaonldl,eFcltoerdiwdia.thIinnh3ismstoufdtyh,etshpelmaasjhozrointeyoorf 8May1983(3),24Oct.1992(1).—Station27:May1978(1), on the beach side ofsand bars, 20-50 m offshore. Peak 30AuKgn.o1w9n80r(a1n)g.e.—SOtfatfiConap30e:L2oOockto.u1t9,9N3(o1r)t,hCarolina, abundances were reported in the fall and spring with throughGulfofMexicoandWestIndiessouthtooffIlha densitiesreaching286m‘^alongtheoffshoresandbars. W deS3oSebastiao,Brazil,23‘’42.5'S,45“14.5' (Forestand Ovigerous femalesof/. wurdemanniwerereported deSaintLaurent, 1967). from St. George Island, Florida, inthemonths ofMay, Remarks. Petrochirus diogenes is rare in shallow June,September,OctoberandNovember(Caine1978).No waters of the Tampa Bay area. Most specimens were ovigerousfemaleswerecollected inthepresentstudy. collected on sand nearhard substrates at the mouth of Coloration.Bodycolorwhite,seeStimpson(1859), TampaBayorin offshorewaters.Thisspecieshasbeen Wass(1955),andProvenzano(1959)foradditionaldetail. reported on mud, mud/shell and sand bottoms in 38 HermitCrabsofTampaBay,Florida Figure4.HermitcrabsoftheTampaBayarea,a)ChelipedsofPeirochirusdiogenes^b)chelipedsofClibanariusvlttatus, c)chelipedsofhocheleswurdemanni^d)antennalflagellumofIsockeleswurdemanni,e)cephalicshieldandocularacicles ofPagurisieshummiy0cephalicshieidandocularocitlesofPagurisUs&p.,g)cephalicshieldandocularaciclesofPaguristes puncticepsyh)cephalicshieldandocularaciclesofPaguristessericeusyi)ocularaciclesofPaguruscaroiinensiSyj)ocular acicles ofPagurus maclaughlinaey k) antennal peduncle ofPagurusgymnodactylusy I) antennal peduncle ofPagurus maclaughiinaeym)rightchelipedofPaguruspollicariSyn)rightchelipedofPagurusimpressusyo)rightchelipedofPagurus longicarpuSyp)leftchelipedofPagurusstimpsoniyq)leftchelipedofPagurusmaciaughUnaeyr)dactylandpropodusofsecond pereopodofPagurusiangicarpuSys)dactylandpropodusofsecondpereopodofPagurusmaclaughlinae.Scalesequal2mm for k and 1 and 1 mm for all other illustrations. 39 — Strasserand Price continental shelf waters on the Tortugas shrimping innersurface ofthe merus ofboth chelipeds. See Wass grounds(Provenzano1959),offMississippi(Franksetal. (1955)andProvenzano(1959)foradditionaldetail. 1972), onbrown shrimpgroundsin the westernGulfof Mexico(Hildebrand1954),andhasbeenfoundasdeepas Paguristespuncticeps Benedict, 1901 128m(WennerandRead 1982).Itmaybefairlycommon indeOevpeirgecroonutsinfeenmtaallesshweelrfewarteeprorstoefdfiTnaJumnpeafBraoym.Texas, FigurPea4g,uPrliasttee5s,puFingcutriec2e.—psP—rBoevneendziacnto19190519::134844,,PlFaitgeur4e, inAugustfromwestFlorida(Provenzano 1968), andin 10a.—AbeleandKim1986:30,347e.—CamposandS^chez March from the Virgin Islands (Provenzano 1961).No 1995:572,Figure2. ovigerous femaleswerefound duringthisstudy. — Material.Station25:31Dec. 1966*(1). Station26: Coloration.Bodycolorgenerallyreddishwithcolor 8May 1983(l),40ct. 1992(1), 19April 1997(1, lo).— bfaanddisn;gcatorjonienatsb.luAentaenndnballacfkl.aSgeeellPurmowvietnhzarneod(a1n9d59w)hiftoer Station27:1May1978(1),Oct.1981(1),1Sept.1991(2).^ Station30:2Ocl. 1993(4). additionaldetail. Knownrange.NorthwesternFlorida;southFloridato PaguristeshummiWass, 1955 Jamaica,probablythroughouttheWestIndies(Provenzano 1959);CaribbeancoastofColumbia(CamposandSanchez Paguristeshummi—Wass 1955:148,Figures 1-4. 1995);offTampaBay,Florida(presentstudy). Provenzan—o1959:381,Figure9.—Felder1973—:31,Plate3, Remarks. This report ofP. puncticeps is the first Figure 16. Williams1984:200,Figure139. Abeleand fromalocalitythatoccursbetweennorthwesternFlorida — Kim 1986:30, 343a. Campos and Sanchez 1995:576, and Miami and is indicative ofa probable continuous Figure7. — distributionofthespeciesalongthewestcoastofFlorida Material.Station13:26Sept.1992(1). Station 14:13 andthroughouttheCaribbeanSea.Thisspecieswasonly June1993(1).—Station 16: 120ct. 1983(1).—Station18: found offshore ofTampa Bay in association with hard — — 20ct. 1993(3). Station24:3Jan. 1966*(1). Station25: substrates in depths of 10-15 m. Paguristespuncticeps 31May1966*(1).—Station27:1 Sept.1991(1).—Station has been collected as deep as 19m from the fortugas 28: 1June1991(4),lOct.1991(1).—Station30:2Oct.1993 shrimpgrounds(Provenzano1959).Oneovigerousfemale (1),29April 1994(4).—Station31:26July1995(4,1o). wascollectedinAprilduringthepresentstudy, andone Known range. Newport River, North Carolina, to wasreportedfromCubainJanuary(Provenzano 1959). Sapelo Island, Georgia; Marco Island, southwestern Paguristes sericeus and P. puncticeps are Florida,tooffIslesDernieres,Louisiana(Williams1984); morphologically similar species and were collected CaribbeancoastofColombia(CamposandSanchez1995). togetherincontinentalshelfwatersoffTampaBay.Some Remarks.Paguristeshummi foundbothoffshore confusionexistsintheliteratureconcerningthelengthof and in lower Tampa Bay, usually associated with hard theantennalpedunclesinrelationtotheantennalacicles substrates. Wass (1955) reported P. hummiinhabiting a forthese2 species. All illustrationsexceptFigures93a svaoruitehtsyiodfegoafsMturlolpeotdKsheeyllastitnhtehmeoiunttehrtoifdaTlazmopneaoBnalyywohnetrhee and142aofWilliams(1965,1984),respectively,showthe relationship of these characters to be similar in both aitrweaassoafbBuenaduafnotrta,tNtoirmetsh.CTahrioslisnpae,cibeustwwaassmfoournedaibnusnhdealnlty species:theantennalpeduncleisslightlylongerthanthe offshoreonrockyoutcrops(Kellogg1971).IntheAlligator antennalacicle(MilneEdwardsandBouvier1893,Benedict 1901, Provenzano 1959). The relationship of these Harbor-DogIslandareaofnorthwestFlorida,P.hummiha^ been found to inhabit sponges(Wass 1955, Wells 1969, characters is not mentioned in descriptions of either Sandford 1995),whichhavebeenidentifiedasthehermit species(MilneEdwards1880,MilneEdwardsandBouvier crab sponge Spongosorites suberitoides (Sandford and 1893,Benedict1901,Provenzano1959),withtheexception Kelley-Borges1997).Allspecimenscollectedinthepresent ofWilliams(1965, 1984)whostatescorrectly,“Antennal study were found in gastropod shells. pedunclesslightlyexceedingacicles.”However,anerror OvigerousfemalesofP. hummiwerereportedfrom existsinFigure93a(Williams 1965,reproducedasFigure northwesternFloridainJanuaryandJuly(Cooley 1978), I42a in Williams 1984), In these figures the antennal andfromsouthwesternFloridainFebruary(Provenzano peduncle of P. sericeus is shown to be considerably 1959),October,andNovember(Rouse 1970).The only shorterthantheantennal acicle. Abele and Kim (1986) ovigerousfemalecollectedinthisstudywastakeninJuly. used this inaccurate illustration along with a probable Coloration.Bodycolorgenerallywhite.Strikingblue misinterpretation of the word “acicle” in the,passage colormark, ringed by blackand yellow, presenton the above as a basis for separating P. sericeus and P. 40 —— HermitCrabsofTampa Bay,Florida puncticeps. They appear to have interpreted Williams’ Remarks.Thisspecieswascollectedonlyoffshore use of“acicle” to mean ocular acicle, whereas he was ofTampaBayonsandnearlimestoneoutcroppingsata instead referring to the antennal acicle in that section. depth of 15 m. Paguristes sericeus has been found on Using this interpretation and Williams’ illustration, P. sandandcoralrubble(Provenzano 1961)atdepthsof9to puncticeps appears to have a much longer antennal 145m(Williamsi984). peduncle in relation to the ocular acicle than does P. Ovigerous females were reported from off St. sericeus. However, since the relationships among the PetersburgBeach,Florida,inJuly(Provenzano1959),on lengths ofthe antennal peduncle, antennal acicle and theDryTortugasshrimpinggrounds inMarchand May ocularaciclearesimilarforbothspecies,thesecharacters (Provenzano1959,RiceandProvenzano1965),andinthe cannot be used to distinguish them. VirginIslandsinMarchandApril(Provenzano1961).No Asindicatedincouplet7ofthekeyandFigures4g,h ovigerousfemaleswerecollectedduringthepresentstudy. of the present study, the shape of the antero^lateral FortaxonomicconsiderationsseeremarksunderP. margins ofthe cephalic shield appears to be the most puncticeps. reliable character which separates P. sericeus from P. Coloration.SimilartoP.puncticeps,exceptoverall puncticeps. Provenzano (1959) discussed the contrast colorgenerally moreorange-red, and eyestalkswithout betweentheslopinganglesoftheshieldinP.puncticeps, whitespotting.SeeProvenzano(1959, 1961),Provenzano and the near right angles found in P. sericeus {=P. and Rice (1966), and Williams (1984) for additional rectifrons sensu Provenzano). The presence of white coloration notes. spots on the ocular peduncles offresh P.puncticeps is also mentioned by Provenzano as a differentiating Paguristessp. characteristic.However,thiscolorpatternisnotalways presentinlivematerialandshouldbeusedwithcaution. Material.Station 13:2Mar. 1991(1),26Sept. 1992 Coloration. Body color red with white spots. At (6).—Station14:Apr.1979(1),18June1992(1,3o),3Aug. times, juveniles bright red and adults rust red. Ocular 1993(1).—Station26:240ct. 1992(3),19Apr. 1997(1).— peduncles reddish orange, usually with white spots; Station27:1Sept.1991(7).—Station29:120ci.1991(2).— cornea bright blue. Antennular and antennal flagella —Station30:2Oct.1993(3).—Station31:26July1995(3,lo). reddish.Proximalanddistalendsofeachsegmentlighter Station33:29Sept. 1996(3, lo), Remarks. These specimens appear to be of an in colorthan middleon allwalking legs; setae fringing undescribedspeciesmostsimilartoPaguristestortugae dorsal and ventral areas occasionally green from accumulationofalgae.SeeProvenzano(1959)foradditional Schmitt,1933.Themostobviousdifferencesoccurinthe colorpatterns. Paguristes tortugae has reddish-purple, coloration notes. transverse bands on the pereopods whereas our specimens arc unbanded with a brownish-green body PaguristessericeusMilneEdwards,1880 color (see coloration section). Future work with these — — species should yield additional characters for their Paguristessericeus MiIneEdwards1880:44. Milne distinction. EdwardsandBouvier—1893:46,Plate3,Figures 14-22. Paguristessp.isrelativelycommoninlowerTampa Provenzano1961:155. Williams1965:117,Figu—re93. Bay,especiallynearBishopHarbor(station 13)whereit Provenzano and Rice 196—6: 54, Figures 1-10. Felder wasoftenfoundinlargegroupsonornearbasketsponges. 1973:32,Pl—ate3,Figure19. PequegnatandRa—y1974:242, It was rarely taken offshore, but was found near hard Figure44, Williams1984:203,Figure142. Abeleand substrates in all collections. Ovigerous females were Kim1986:30,347c,d. — foundinthesummerandfall. Paguristestenuirostris Benedict1901:143,Plate4, Coloration.Cephalicshieldgreenorbrownish-green Figure 1. — withyellowish-orangeandwhitespots;posteriorpartof Paguristesrectifrons Benedict 1901:145,Plate4, thoraxpinkishwith irregularredspotsandoccasionally Figure7. blue patches laterally; area postero-medial to cephalic Material.Station26:8May 1983(3),30Apr. 1995 shield yellowish-orange with green and white patches; (2).—Station27; 1Sept.1991(1). posteriorborderofcarapacered.Proximalone-fourthof Known range. OffCape Lookout,North Carolina; ocular peduncles brown or greenish-brown, distal part WestFlowerGardenBank,northwestGulfofMexicoto white,circumscribedwithoneproximalorangish-yellow theVirginIslands(Williams1984). andonedistaldarkbrownband;corneablack.Proximal 41 Strasserand Price halfofocularaciclesbrown,distalhalfwhite.Antennular this latterspecieswasnotfoundintheTampaBayarea, pedunclesmarkedwith 3 brown orbrownish-greenand it occurs in northwest Florida. Future studies may whitebands; flagellabrown. Antennalpedunclesbrown documentanoverlap intheranges ofthese2species in withwhitespines,distalsegmentscircumscribedwith2 theGulfofMexicosimilartotheiroverlap in southeast brownand2whitebands;flagellacolorless,everyother Florida(Lemaitreetal. 1982). Thespination ofthe left article white distally, middle part ofeach article solid chelaemaybeusedtoseparatethese2species.Pagurus brownorwithbrownstreakslaterally.Thirdmaxillipeds hrevidaciylus(Stimpson, 1859)hasalongitudinalrowof withbrownandwhitebands.Chelipedswithdactylsand strongormoderatelystrongspinesnearthedorsolateral fixed fingers yellowish, proximal part ofpropodi and marginofthepropodus,whileP. caroUnensismayhave remainingsegmentsgreenish-brown;proximalone-half smallornospinesinthisarea.Inaddition,P.brevidactylus of dactyls and three-fourths of propodi with reddish, hasshortersetaeonthe articlesofthe antennal flagella white-tippedtuberclesorspines; spinesondorsomesial and longer, more slender ocular peduncles than P. marginsofpropodiandcarpusreddishproximally,followed caroUnensis. Coloration may be used to separate live by yellow rings and brown tips; merus with yellowish specimens ofthese species. Pagurus brevidactylus has reticulations and whitedots mesially and laterally, and darkgreento brownish blackcontinuous stripes on the reddish-orange patchesalongdorsalmargin, Pereopods pereopods,andstripedchelipeds. PaguruscaroUnensis generallygreenish-brownwithwhiteorbluish-whitespots hasrustred tomaroon stripes on thepereopods that do andreticulations;dactylswithbrownspines,otherarticles notextend to the distal and proximal margins ofeach withreddish,white-tippedspines;carpiwithdorsalone- segment,andthechelipedsarenotstriped(Lemaitreetal. halfreddish proximally. Abdomen yellowish with red 1982). patchesandwhitespots;transversebluestreakslaterally. Coloration.Seeremarksabove.Additionalcoloration notesarefoundinProvenzano[1959(=P.brevidactylus)]. FamilyPaguridaeLatreille,1803 PaguruscaroUnensisMcLaughlin,1975 PagurusgymnodactylusLemaitre,1982 — — Pagurus near bonairensis Pearse and Williams PagurusannuUpes Felder1973:26,Plate3, Figure 1951:143. 4[notP.annw/jpes(Stimpson)].—Williams1974:41. — — Pagurus brevidaciyluS' Provenzano 1959:413, Pagurusgy—mnodactylus Lemaitre1—982:657,Figures Figure20.—Williams1965:132, Figure107. 1,2,4c,d,5a,b. Lemaitreetal.1982:687. AbeleandKim — Pagurus caroUnensis McLaughlin 1975:365, 1986:33,377h,iJ. — — — Figures4-6.—Lemaitreetal.1982:677, Williams1984:212, Material,Station14:3Aug. 1993(4). Station18:2 Figure150. ^AbeleandKim1986:33,375f,g. Oct.1993(8,1o).—Station32:26July 1995(1). Material.Station26:24Oct. 1992(1),4Mar. 1997 Knownrange.GulfofMexicofromMexicotowest (1).—Station27:Oct. 1991(1).—Station30:2Oct. 1993 coastofFlorida(Lemaitreetal. 1982). (3).—31:26July1995(2). Remarks.Pagurusgymnodactyluswascollectedon Knownrange.OffNewportRiver(Kellogg1971)and sandandhardsubstratesinshallowsubtidaldepthsatthe Cape Lookout, North Carolina, to southeastern Florida mouthofTampaBay. Thisspecieshasbeenfoundfrom (Williams1984);offTampaBay,Florida(presentstudy). thesubtidalzoneto 19m(Lemaitreetal. 1982). Remarks.ThisisthefirstrecordofP. caroUnensis No information is available on the reproduction of intheGulfofMexico,Only6specimenswerecollected thisspecies.However,inthepresentstudy,oneovigerous offshoreinassociationwithhardsubstratesatdepthsof femalewasfoundinOctober. 5-15 m. This species has been reported to prefer hard Coloration. Whilesomespecimensappeared tobe bottom in areas ofgood watercirculation (Provenzano almostcompletelywhite,thosewithcolordisplayedthe m 1959)atdepthsof2to53 (Lemaitreetal. 1982). followingcharacteristics:carapacemottledyellow-brown, Ovigerousfemaleswerereported inJune,July, and occasionally with green and red splotches, red flecks AugustfromNorthCarolina,November,July-Octoberin laterally. Abdomen transparent blue. Ocular acicles, GeorgiaandMarch-AugustinFlorida(Williams1984).No eyestalks, and antennular flagella transparentwith red ovigerous femaleswerecollected in thepresentstudy. and white flecks; eyestalks sometimes with central, Pagurus caroUnensis^ reported from the Gulf of horizontal,blue-greenband.Antennalflagellatransparent, Mexico for the first time in the present study, is markedwithwhiteevery2-5articles;peduncletransparent morphologicallyverysimilartoP.brevidactylus.A\\hQ\iL^ withred andwhite flecks. Firstandsecondmaxillipeds 42