Juveniles are bathypelagic (Ref. 9315). Feeds mainly on copepods and other small crustaceans, but not exclusively bottom-dwelling invertebrates (Ref. 9315).

Eastern Pacific: Costa Rica to northern Peru.

Dorsal spines (total): 0; Analspines: 0

Maximum size: 230 mm TL

27.5 cm TL (male/unsexed; (Ref. 42942))

Head large; eyes large; snout moderately pointed, its anterolateral margin incompletely supported by bone. Head ridges rather weakly scaled, other head scales mostly without spinules; the dorsal and ventral snout surfaces mostly naked. Spines on lower jaw and pectoral girdle without spinules. Light organ large, lens-shaped black fossa between the pelvic fin bases. Swim bladder oval, with 6 to 11 short retia mirabilia and gas glands. Pyloric caeca 10 to 14. Overall color is light brown to swarthy, somewhat silvery ventrally, with heavy punctuations; mouth pale, blackish along tongue base; gill cavity blackish, paler with punctuations toward inner surfaces.

Depth range based on 7 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 125.5 - 450
  Temperature range (°C): 8.147 - 10.866
  Nitrate (umol/L): 29.265 - 40.648
  Salinity (PPS): 34.655 - 35.009
  Oxygen (ml/l): 0.516 - 2.074
  Phosphate (umol/l): 1.900 - 2.866
  Silicate (umol/l): 14.338 - 51.409

Graphical representation

Depth range (m): 125.5 - 450

Temperature range (°C): 8.147 - 10.866

Nitrate (umol/L): 29.265 - 40.648

Salinity (PPS): 34.655 - 35.009

Oxygen (ml/l): 0.516 - 2.074

Phosphate (umol/l): 1.900 - 2.866

Silicate (umol/l): 14.338 - 51.409
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

Depth: 120 - 460m.
From 120 to 460 meters.

Habitat: benthopelagic.

benthopelagic; non-migratory; marine; depth range 120 - 460 m (Ref. 9315)

Juveniles are bathypelagic. Feeds mainly on copepods and other small crustaceans, but not exclusively bottom-dwelling invertebrates.

Not Evaluated

fisheries: of no interest