Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Nomeidae
Etymology: Psenes: Greek, psenos, -e, -on = without hair (Ref. 45335). More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 20 - 550 m (Ref. 13608). Deep-water; 49°N - 43°S, 180°W - 180°E
Atlantic, Indian and Pacific: tropical and warmer temperate waters. Western Atlantic: Massachusetts, USA and northern Gulf of Mexico to South America (Ref. 7251). Reported from southern Africa (Ref. 4412).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.0 cm SL male/unsexed; (Ref. 48637)
Inhabits the open ocean (Ref. 26340). Found under floating weeds or debris. Adults were found under large weed-rafts at a depth of about 20 meters, using the shade as cover. They also form schools (Ref. 48637). Associated with Sargassum (Ref. 26340) and jellyfish (Ref. 7251).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Haedrich, R.L., 1986. Nomeidae. p. 846-850. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4412)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 12.7 - 26, mean 18.8 °C (based on 983 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.46 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4).
Vulnerability (Ref. 59153
): Low vulnerability (19 of 100) .