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| Common names: flyingfish (English), volador (Espanol) |
Hirundichthys speculiger (Valenciennes, 1847)
Elongate, broadly cylindrical bodies; head short, snout short and blunt; mouth small, jaws about equal in length; jaw teeth conspicuous, conical; sides of roof of mouth with teeth; fins without spines; 10-12 dorsal rays; 11-13 anal rays; only 1st pectoral ray unbranched, fin reaches past anal base; dorsal fin usually with fewer or equal number of rays to anal; anal origin under dorsal origin; pelvic origin nearer anal origin than pectoral base, fin long, reaching past anal origin; tail deeply forked with a much longer lower lobe; lateral line low on the body, no branch to origin of pectoral; scales large, smooth, easily shed; 30-34 scales before dorsal fin; juveniles without barbels under chin.
Body iridescent dark blue above, silvery below; pectoral black, narrow clear margin, broad transverse clear bar from base to middle of fin; dorsal and anal clear; pelvics grey with clear front border .
Size: 31 cm.
Habitat: oceanic pelagic.
Depth: surface, 0-20 m.
Circumtropical; the offshore islands and the mouth of the Gulf of California to Ecuador.