American food and game fishes : a popular account of all the species found in America, north of the equator, with keys for ready identification, life histories and methods of capture . \ length of head; pectoral filaments 8; octonemus, 262 bb Maxillary more than \ length of head; pectoral filaments usually 9; operctdaris, 262 Polydactylus approximans, whose only vernacular name israton, is found on the Pacific Coast of tropical America fromSan Diego to Panama. It reaches a foot in length and is acommon food-fish at Guaymas, Mazatlan and Panama. Colour, yellowish white, darker above; pectoral b
American food and game fishes : a popular account of all the species found in America, north of the equator, with keys for ready identification, life histories and methods of capture . \ length of head; pectoral filaments 8; octonemus, 262 bb Maxillary more than \ length of head; pectoral filaments usually 9; operctdaris, 262 Polydactylus approximans, whose only vernacular name israton, is found on the Pacific Coast of tropical America fromSan Diego to Panama. It reaches a foot in length and is acommon food-fish at Guaymas, Mazatlan and Panama. Colour, yellowish white, darker above; pectoral black in adult. The barbudo or barbu {P. virginicus) is an abundant anduseful food-tlsh, found throughout the West Indies and north tothe Florida Keys. About Porto Rico it is common and highlyesteemed. It reaches a length of a foot. Colour, whitish-olive above, dirty white below; spinous dorsaldark; soft dorsal and anal pale, with dark punctulations; pec- 261 The Threadfishes toral with irregular black blotches, the filaments white; ventralsdark, paler on margins. The threadfish {P. octonemus) occurs along our South Atlanticand Gulf coasts from New York to the Rio Grande. It is. f mm- mmm rather rare northward, but is more commoncoast. It frequents sandy shores. on the Texas Colour, light olivaceous, tinged with dark punctulations;belly whitish: pectorals pale in the young, black in the adult. The young of species of thread-fish, probably P. ocio-nemus, are common along the Texas coast where they are oftenseen in large numbers in shallow water on sandy bottom. Thesefishes vary greatly with age, the pectoral filaments becomingmuch shorter with age. P. opercularis is an unimportant species found on our PacificCoast from Cape San Lucas to Panama. It is generally commonand reaches only a few inches in length. 262 THE SAND LAUNCES Family XXIX. A^mnodytidcB The sand launces constitute a small family of small, saltwaterfishes found chiefly in northern regions. The single genus, A
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfishes, bookyear1902
