| OCR Text |
Show 1 9 0 5 . ] FISHES OF THE FAMILY CIC'HLID^E. 1 5 5 2. B a tr acho ps sem if a sc ia tu s . Bcitrachops semifasciatus Heck. Ann. Mus. Wien, ii. 1840, p. 436. Crenicichla semifasciata Giinth. Cat. Fish. iv. p. 309 (1862); Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 375 (1904). Depth of body 4-5 in the length, length of head 3-3|. Diameter of eye 4|-5| in the length of head. Nostril nearer to tip of snout than to eye. Maxillary extending to below anterior margin of eye ; depth of prseorbital g the diameter of eye. Anterior teeth forming about 3 series in each jaw. Scales denticulated except on the head, the lower parts of thorax and abdomen and anteriorly above the lateral line, 55-57 in a longitudinal series below the lateral line, ^ in a transverse series. Lateral line 24-26 +12-15. Dorsal X X I I -X X I I I 10-12. Anal I II 7-10. Pectoral the length of head. Caudal peduncle about as long as deep. Scales of the sides of the body yellowish with dark brown margins; a dark stripe from eye to operculum ; sometimes 7 or 8 dark cross-bars on the upper part of the body; a dark ocellus on the upper part of the base of caudal; fins unspotted. Bio de la Plata and its tributaries. The type, from the R. Paraguay, measures 150 mm. in total length. 3. B a tr acho ps r e t ic u l a tu s . Batrachops reticulatus Heck. Ann. Mus. Wien, ii. 1840, p. 433. Crenicichla reticulata Giinth. Cat. Fish. iv. p. 309 (1862). Crenicichla elegans Steind. Denkschr. Ak. Wien, xliv. 1882, p. 15; Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 378 (1904). Depth of body about 5 in the length, length of head about 3|. Diameter of eye 4-5 in the length of head, length of snout 3|-4, interorbital width 2|-3. Nostril nearer to tip of snout than to eye. Maxillary extending a little beyond anterior margin of eye; depth of prceorbital f the diameter of eye or less. Anterior teeth forming about 3 series in each jaw. Scales denticulated except on the head, the lower parts of thorax and abdomen and anteriorly above the lateral line, 66-70 in a longitudinal series 9 below the lateral line, ^ in a transverse series between origin of dorsal and ventral fin. Lateral line 23-26 +11-13. Dorsal X X I I - X X IV 11-12, the spines subequal from the tenth, the last ^ the length of head or less. Anal III 8. Pectoral |-§, ventral the length of head. Brownish, each scale on the side of the body with a dark brown spot at the base and a yellow margin; a dark stripe from eye to extremity of operculum; a dark ocellus on the upper part of the base of caudal; spinous dorsal with 3 longitudinal series of dark spots, which increase in number to 6 on the soft fin ; anal with or without a few spots posteriorly ; caudal sometimes with dark marginal bands above and below. The type of the species, from the Rio Negro, measures about |
