CRABS (BRACHYURA) OF THE GULF OF MEXICO

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24 Lawrence W. Powers Remarks: Chace (1940) reported a specimen with rhizocephalan parasites from off the north coast of Cuba. Listed from several stations of the R/V Oregon by Chace (1956) in the Gulf of Mexico. Pequegnat (1970) considered this species to be the most common raninid in the Gulf and he provides some data on densities at different depths along the continental slope. Ranilia H. Milne Edwards, 1837 Ranilia conslricla (A. Milne Edwards, 1880) (Bull. Mus. Comp. Zool. 8: 35) Rathbun, 1937, p. 20, pi. 4, fig. 5, pi. 5, figs. 1, 2; Gomes Correa, 1970, p. 2; Pequegnat, 1970, p. 180. Range: Florida Straits; off north coast of Cuba and southeast Gulf of Mexico; Rio de Janeiro, Brazil; eastern Atlantic, Ascension Island; Senegal to Congo. Depth: off shallow reef (Rathbun, 1937); 183 to 336 m (100 to 200 fm) in Gulf of Mexico (Pequegnat, 1970); original type is from 86 m (47 fm), off Florida. Habitat: coral reefs; hard bottoms in deep water. Remarks: Listed from Brazil by Coelho and Ramos (1972). Hartnoll (1971) cites an observation by Darwin on a species of Ranilia in the southern Atlantic in which swimming was noted, but the extent to which raninids are able to swim is not known. Ranilia muricala H. Milne Edwards, 1837 (Hist. nat. Crust., vol. 2, p. 196) Hay & Shore, 1918, p. 420, pi. 31, fig. 1; Rathbun, 1937, p. 18, pi. 3, figs. 3-6, pi. 4, figs. 1-4; WiUiaras, 1965, p. 142, fig. 117. Range: North Carolina; Bahamas; Florida Straits; southern to northwestern Florida; Swan Island (Caribbean). Depth: 9 to 102m (5 to56fm). Habitat: offshore, on sandy and broken shell substrates. Remarks: Listed from Florida by Wass (1955), Abele (1970) and Menzel (1971). Rathbun (1937) listed ovigerous females from North Carolina in September. This species has been recovered from fish stomachs in North Carolina offshore waters (Williams, 1965). Raninoides H. Milne Edwards, 1837 Raninoides lainarcki A. Milne Edwards & Bouvier, 1923 (Mem. Mus. Comp. Zool. 47: 299) Ratlibun, 1937, p. 13, text-fig. 8, pi. 1, figs. 3, 4; Chace, 1940, p. 5. Range: north of Cuba; north of Puerto Rico; off Colon, Panama (Caribbean). Depth: 46 to 366 m (25 to 200 fm). Habitat: no data available. Remarks: Chace (1940) notes an error in plate 2 of Rathbun, 1937: figure 3 is a chela of R. lamarcki and not R. fossor, as the label indicates. The error was due to a label interchange on figures a and b of Milne Edwards and Bouvier's (1923) original drawing. Manning (1975) has subsequent^ indicated that R.
Crabs of the Gulf of Mexico 25 fossor is a synon3^m of an Indo-West Pacific species, Notosceles chimmonis Bourne. Raninoides loevis (Latreille, 1825) (Encycl. meth., Hist, nat., vol. 10, p. 268) Rathbun, 1937, p. 8, text-fig 3, pi. 1, figs 1, 2; Guinot-Dumortier, 1959, p. 246 fig. 2a-c; Gomes Correa, 1970, p. 9. Range: Florida Keys and Dry Tortugas; southwest coast of Florida; Campeche Ba}^, off Tabasco, Mexico; Barbados; Colombia (Caribbean); Guianas to Bahia, Brazil; Pacific coasts of Panama and Colombia. Depth: 18tol96m (lOtolOZfm). Habitat: bottom types include ooze, mud, shelly mud, coral, and broken shell. Remarks: Listed from the R/V Oregon collections in the Gulf of Mexico by Chace (1956). Guinot-Dumortier (1959) and Knight (1968) compared this species with R. benedicti Rathbun. Listed from Brazil by Coelho and Ramos (1972). Raninoides louisianensis Rathbun, 1933 (Proc. Biol. Soc. Washington 46: 186) Common Name: Frog Crab Rathbun, 1937, p. 12, text-figs. 6, 7, pi. 1, figs. 5, 6; Pequegnat, 1970, p. 181; Felder, 1973a, p. 38, pi. 4, fig. 6. Range: Gulf of Mexico, from the Mississippi Delta to Campeche Banks. Depth: 55 to 400 m (30 to 220 fm). Collection records of the R/V Alaminos showed an extension of this species on the middle and outer continental shelf to only 115 fm and Pequegnat (1970) believes that the R/V Oregon records at 200 and 220 fm may be due to trawl contamination from earlier, shallower stations. Habitat: muddy and fine sand-mud bottoms. Remarks: Listed from Texas by Leary (1967) and from the Gulf of Mexico by Chace (1956). Ovigerous females were taken in February, June, July, and October by the R/V Alaminos (Pequegnat, 1970). Franks et al. (1972) reported salinity and temperature ranges of collections off Mississippi. Symelhis Weber, 1795 Symethis variolosa (Fabricius, 1793) (Entomol. System, emend, et aucta, vol. 2, p. 476) Rathbun, 1937, p. 26, text-fig. 10, pi. 5, figs. 7, 8; Gomes Correa, 1970, p. 10. Range: North Carolina; southeast Florida; Florida Kej^s and Dry Tortugas; north of Puerto Rico; Fernando do Noronha to Bahia, Brazil; Pacific coast of Panama. Depth: 18 to 110 m (10 to 60fm). Habitat: sand, mud bottoms; on calcareous algae; under stones. Remarks: Cerame-Vivas and Gray (1966) extended the previously known range of this species to North Carolina. Listed from Bra2il by Coelho and Ramos (1972) and by Fausto Filho (1974).
Page 1 and 2: a catalogue & bibliography to the C
Page 3 and 4: Editor: DONALD E. WOHLSCHLAG Editor
Page 5 and 6: TABLE OF CONTENTS Page Acknowledgme
Page 7 and 8: INTRODUCTION The purpose of this ca
Page 9 and 10: I Crabs SECTION DROMIACEA de Haan,
Page 11 and 12: Family TABLE II Endemic and Total S
Page 13 and 14: Family Dromiidae Prosopidae Homolid
Page 15 and 16: Crabs of the Gulf of Mexico 15 FIG.
Page 17 and 18: FIG. 4. Surface currents of the Gul
Page 19 and 20: Crabs of the Gulf of Mexico 19 tive
Page 21 and 22: Crabs of the Gulf of Mexico 21 Rema
Page 23: Crabs of the Gulf of Mexico 23 Dept
Page 27 and 28: CycZorforippe orn«fa Chace, 1940 (
Page 29 and 30: Crabs of the Gulf of Mexico 29 Ethu
Page 33 and 34: Crabs of the Gulf of Mexico 33 exam
Page 35 and 36: Crabs of the Gulf of Mexico 35 Will
Page 37 and 38: Callidactylus Stimpson, 1871 Crabs
Page 39 and 40: Persephona I^each, 1817 Persephona
Page 41 and 42: Crabs of the Gulf of Mexico 41 and
Page 43 and 44: Aepinus Rathbun, 1897 Crabsof the G
Page 45 and 46: Crabs of the Gulf of Mexico 45 Dept
Page 49 and 50: Slenor/iync/iMs Lamarck, 1818 Crabs
Page 51 and 52: Crabs of the Gulf of Mexico 51 Rang
Page 53 and 54: Crabs of the Gulf of Mexico 53 atta
Page 55 and 56: Crabs of the Gulf of Mexico 55 Milh
Page 57 and 58: Crabs of the Gulf of Mexico 5 7 Ban
Page 59 and 60: Crabs of the Gulf of Mexico 59 base
Page 61 and 62: Pif/io Bell, 1835 Crabs of the Gulf
Page 63 and 64: Holoplites Rathbun, 1894 Crabs of t
Page 65 and 66: Crabs of the Gulf of Mexico 65 lett
Page 67 and 68: Crabs of the Gulf of Mexico 67 Roch
Page 71 and 72: Tutankhamen Rathbun, 1925 Crabs of
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Crabs of ihe Gulf of Mexico 75 pis.
Page 77 and 78:
Crabs of the Gulf of Mexico 77 spec
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Crabs of the Gulf of Mexico 79 tole
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Crabs of the Gulf of Mexico 81 Love
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Crabsof the Gulf of Mexico 83 Habit
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Crabs of the Gulf of Mexico 85 Habi
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The Freshwater Crabs Crabs of the G
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Carpoporus Stimpson, 1871 Crabsof t
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Crabs of the Gulf of Mexico 91 it b
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Crabs of the Gulf of Mexico 97 of b
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Crabs of the Gulf of Mexico 99 Dept
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7'^ Crabs of the Gulf of Mexico 101
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Crabs of the Gulf oj Mexico 103 Pan
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Piluninus L,each, 1815 Crabs of the
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Crabs of the Gulf of Mexico 107 Dep
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Crabs of the Gulf of Mexico 109 Mis
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Crabs of the Gulf of Mexico 111 bet
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Crabs of the Gulf of Mexico 113 Rem
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McCloskey & Gray, 1968, p. 52, fig.
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Range: north coast of Cuba; Puerto
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Depth: 112 to 545 m (61 to 298 fm).
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Crabs of t he Giilf of Mexico 121 f
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Crabs of the Gulf of Mexico 123 Ila
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Crabs of the Gulf of Mexico 125 Pec
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Crabs of the Gulf of Mexico 127 Ran
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Crabs of the Gulf of Mexico 129 lan
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Crabs of the Gulf of Mexico 131 As
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Crabs of the Gulf of Mexico 133 Car
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Crabs of the Gulf of Mexico 135 Ses
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Crabs of the Gulf of Mexico 137 74;
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Crabs of the Gulf of Mexico 139 197
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Ocypoda arenaria Sa}^ 1817. Crabs o
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Crabs of the Gulf of Mexico 143 Vca
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Crabs of the Gulf of Mexico 145 Ran
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Ilea pugnax (Smith, 1870). Crabs of
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Crabs of the Gulf of Mexico 149 Jam
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Crabs of the Gulf of Mexico 151 ADK
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Crabs of the Gulf of Mexico 153 and
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Crabs of the Gulf of Mexico 155 . 1
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Crabs of the Gulf of Mexico 15 7
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Crabs of the Gulf of Mexico 159 ENG
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Page 163 and 164:
^ Crabs of the Gulf of Mexico 163 .
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Crabs of the Gulf of Mexico 165 HEN
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Page 171 and 172:
Crabs of the Gulf of Mexico 171 MEN
Page 173 and 174:
Crabs of the Gulf of Mexico 173 ONG
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1-127. Crabs of the Gulf of Mexico
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Crabs of the Gulf of Mexico \77 •
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Crabs of the Gulf of Mexico 179 SKO
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Crabs of the Gulf of Mexico 181 TRU
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186 Lawrence W. Powers C. cubensis
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188 Lawrence W. Powers M. crebripun
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190 Lawrence W. Powers T. granulosu
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CRABS (BRACHYURA) OF THE GULF OF MEXICO

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