Comprehensive DescriptionRead full entry
| Common names: drift-fish (English), derivante (Espanol), flotador (Espanol) |
Psenes sio Haedrich, 1970
Body elongate (deeper in juvenile) compressed, not soft and flabby; snout blunt; eye moderate, with ring of fatty tissue around it; operculum thin, with 2 short spines; mouth small, at front; jaw teeth small, conical, in 1 row, adult lower jaw with knife-like teeth; teeth on front and sides of roof of mouth, and base of gill arches; 2 scarcely separate dorsal fins, XI-XII + I, 23-25, spines shorter than rays, its origin before, or, in large specimens, over pectoral origin; pectoral long, bluntly pointed (long but shorter in juvenile),16-18 rays; pelvics originate under or before pectoral base, attached to the abdomen, fold into a groove, fins long in juvenile; anal fin II weak spines, 23-24; tail fin deeply forked in adult, rounded tips in juvenile; branched mucous canal along length of flank; scales very small, very thin, cover bases of median fins, on top of head in a narrow band, reach only to between eyes; lateral line high on body.
(Preserved juvenile) light brown, with 3 indistinct dark bars; 1st dorsal dark, other fins whitish; inside mouth yellow; inside operculum black; iris grey.
Size: 28 cm.
Depth: 0-500 m.
Southern Baja and the mouth of the Gulf of California to Chile, and the Galapagos.