. Synopsis of the fishes of North America [microform]. Fishes; Poissons. 75. CARANGID^âTRACHUJJUS. 431 behind the last. Gill-rakers usually long. Brancbiostegals commonly I Ail-bladder present, often bifurcate behind. Pseudobranchire lar^^e, present in all our genera, sometimes disappearing with age. (Esopha- gus unarmed. Pyloric coeca generally numerous. Vertebrae fewer than in tlie Scombridcv, about 25 in number. Coloration generally metallic 5 ami silvery. Genera 25; species about 130, abounding in warm seas, often n'oviug northward in summer, like the Scombridw. Most of the species are wid
. Synopsis of the fishes of North America [microform]. Fishes; Poissons. 75. CARANGID^âTRACHUJJUS. 431 behind the last. Gill-rakers usually long. Brancbiostegals commonly I Ail-bladder present, often bifurcate behind. Pseudobranchire lar^^e, present in all our genera, sometimes disappearing with age. (Esopha- gus unarmed. Pyloric coeca generally numerous. Vertebrae fewer than in tlie Scombridcv, about 25 in number. Coloration generally metallic 5 ami silvery. Genera 25; species about 130, abounding in warm seas, often n'oviug northward in summer, like the Scombridw. Most of the species are widely distributed, and nearly all are valued as food. (Carangklat pt. GUuther ii, 417-485, exclusive of certain genera.) â¢Lateral line armed with bony keeled platea, at least posteriorly. {Caranginre.) ij. Annaturo of lateral lino extending its whole length Tkacuukus, 219. (10. Annaturo of lateral line on ita straight posterior portion only. ]). Dorsals and anal each with a detached (inlet Decapteru8, 220. hb. Dorsal and ani'l without fiulets. c. Spinous dorsal developed Caranx, 221. cc. Spinous dorsal rudimentary or disax)x>()i>'i'lng with ago ; scales rudim'^ntary. BLEPIIAR13, 222. "Lateral lino unarmed. d. Premaxillaries protractile, e. Anal iin about equal to the soft dorsal, its base longer than the abdomen; tail not keeled. /. Thoracic region trenchant; body excessively compressed. y. Dorsal outline more convex than the ventral outline; profile very steep; head very short and high; preorbital very deep. {Seleninw.) Selene, 223. gg. Dorsal outline less convex than ventral; profile not atecp; preorbital moderate. (Chloroscomhrinos.) CliLOROSCOMnRUS, 224. ff. Thoracic region not trenchant; body moderately compressed. {Tra- chynotiiKX.) h. Forehead convex . Traciiynotuh, 22.'>. ee. Anal fin much shorter than the soft dorsal, its base not longer than the abdomen; tail keeled. {Svriolinw,) i. Finlets none. j. Dorsal spines free, in adult Naucrates, 226. jj. Dors
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfishes, bookyear1882
