Fishes . CO bb bO i-5 C-3 .5 w o. CD OT r- ri S^ rt o > -^ i~. 2 C a. ? ^ =^ o « c ^ •r H 1*3 C3 0) ^ c: -1 L. > 2 t- ^ r. rf r> ?*-• 430 Acanthopterygii; Synentognathi having the anal fin much modified in the male, forming anintromittent organ, as in the Piiciliidcp. One species occurs inthe river mouths in Samoa. The flying-fishes have both jaws short, and at least the. Fig. 338 —Sharp-nosed Flying-fish, Fodialor acutus (Aal.). Panama. pectoral fins much enlarged, so that the fish may sail in the airfor a longer or shorter distance. The smaller species have usually shorter fins and
Fishes . CO bb bO i-5 C-3 .5 w o. CD OT r- ri S^ rt o > -^ i~. 2 C a. ? ^ =^ o « c ^ •r H 1*3 C3 0) ^ c: -1 L. > 2 t- ^ r. rf r> ?*-• 430 Acanthopterygii; Synentognathi having the anal fin much modified in the male, forming anintromittent organ, as in the Piiciliidcp. One species occurs inthe river mouths in Samoa. The flying-fishes have both jaws short, and at least the. Fig. 338 —Sharp-nosed Flying-fish, Fodialor acutus (Aal.). Panama. pectoral fins much enlarged, so that the fish may sail in the airfor a longer or shorter distance. The smaller species have usually shorter fins and approachmore nearly to the halfbeaks. Fodialor acutus, with sharpjaws, and Hemiexocakis, with a short beak on the lower jaw,are especially intermediate. The flight of the flying-fishes isdescribed in detail on p. 44. The Catalina flying-fish, Cypselurus californictis, of the shoreof southern California is perhaps the largest of the known species,reaching a length of 18 inches. To this genus, Cypselurus,having a long dorsal and short anal, and with ventrals en-larged as well as pectorals, belong all the species strongest inflight, Cypselurus heterurus and furcaius of the Atlantic. Cypse-lurus simiis of Hawaii and Cypselurus agoo in Japan. The veryyoung of most of these species have a long barbel at the chinwhich is lost with age. In the genus Exonautes the base of anal fi
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