FISHERY BULLETIN; VOL. 72, NO. 3 



Atafona, no date, 2 5,2 9, Meneses. 3241 Atafona, 

 12 July 1963, 3 juv, N. Meneses. 399, Serra de 

 Macae, 1912, 2 5, E. Garbe. Sao Paulo: 400, 

 Ubatuba, 1905, 1 9, E. Garbe. 403, Piassaquera, 

 1905, 3 5, J. S. Fialho. 352, Iquape, 1901, 16,R. 

 Krone. 



Gulf Coast Research Laboratory. 1 lot, 1 speci- 

 men. 



UNITED STATES 



Mississippi: 172:1062, Biloxi Back Bay, No., 

 1971, 1 S , from commercial fisherman (Perry, 

 1973). 



Supplementary literature records. — Biscayne 

 Bay, Fla. (Provenzano, 1961); St. Croix (Beatty, 

 1944); Dominica (Chace and Hobbs, 1969); Puerto 

 Cortez, Honduras (Bott, 1955); Lake Maracaibo 

 vicinity, Venezuela (Taissoun, 1969); Forteleza, 

 Ceara, Brazil (Fausto Filho, 1966). 



CALLINECTES RATHBUNAE 



CONTRERAS JAIBA PRIETA 



(MEXICO) 



Figures 13, 19a, 20n, 22k, 27 



Callinectes rathbunae Contreras, 1930, p. 238, 

 text-figs. 9, 10 (type localities: Barras de 

 Boca del Rio, Buen Pais and Alvarado, 

 Veracruz, Mexico). -Manrique Colchado, 

 1965, p. 30, figs. 10-15.-Taissoun, 1972, p. 

 35, figs, li-1, 2 (part), 3 (part), 9A, lOE-F, 

 photos 8-11. 



Callinectes rathbuni Pounds, 1961, p. 42, pi. 7, fig. 

 2d. 



Description. — Carapace (Figure 13) bearing 

 four acuminate frontal teeth with tips reaching a 

 nearly common level, submesial teeth narrower 

 and slightly shorter than laterals. Metagastric 

 area with length and posterior width about equal, 

 anterior width 2 times length. Anterolateral mar- 

 gins slightly arcuate, anterolateral teeth exclu- 

 sive of outerorbital and lateral spine all acumi- 

 nate with edges variably granulate, anterior mar- 

 gins of teeth a bit shorter than posterior margins, 

 tendency to development of a shoulder on pos- 

 terior margin of all except last tooth in row. Sur- 

 face of carapace dorsally smooth and glistening 

 around perimeter (when wet) and on epibranchial 

 surfaces; central portion lightly and evenly granu- 



late, cardiac area smooth anteriorly, granulate 

 posteriorly. Epibranchial line prominent and sulci 

 on central part of carapace deeply etched. 



Chelipeds with sharply granulate ridges and 

 usual spines; fingers of major chela heavily 

 toothed but not gaping. 



Male abdomen and telson long, extending 

 nearly to juncture between thoracic sternites III 

 and IV; telson lanceolate, much longer than broad; 

 sixth segment of abdomen broadened distally. 

 Mature female abdomen and telson reaching as 

 far forward as in male, sixth segment nearly as 

 long as fifth and with mesiodistal borders oblique, 

 not markedly curved; telson elongate triangular 

 with inflated sides. First gonopods of male (Fig- 

 ures 19a, 20n) reaching nearly to tip of telson 

 beyond suture between sternites III and IV, over- 

 lapping in proximal half, diverging distally, twist- 

 ing mesioventrally on axis lateral to abdominal 

 locking tubercle on thoracic sternite V and recurv- 

 ing gradually to termination near midline; armed 

 distally with a dorsolateral narrow band of large 

 and small sharp retrogressive spinules. Gono- 

 pores of female (Figure 22k) ovate in outline with 

 apex on long axis directed anteromesad; aperture 

 of each sloping from surface along long mesial side 

 under rounded, sinuous anterolateral border 

 superior to prominent rounded eminence on pos- 

 terolateral border. 



Size of carapace in mm. — Largest male: length 

 61, width at base of lateral spines 107, including 

 lateral spines 134. Largest female: length 66, 

 width at base of lateral spines 116, including 

 lateral spines 141. Summary of selected mea- 

 surements taken from the small sample available 

 is given in Tables 1 and 2. Manrique Colchado 

 (1965) reported a male with length 62, width 

 including lateral spines 144, and a female with 

 length 62, width including lateral spines 150. 



Color. — The only published descriptions of color 

 are brief. Pounds's (1961) general account indi- 

 cated that the colors are "clear shades of green 

 and blue with tints of red, orange, and purple." 

 Manrique Colchado (1965) characterized the 

 carapace as obscure or dark green. Judging by 

 greenish coloration of recently preserved speci- 

 mens, both descriptions apply. Underparts are 

 white. 



Distribution. — Mouth of Rio Grande, Texas- 

 Mexico border to southern Veracruz, Mexico (Fig- 

 ure 27). 



772 



