Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Phycidae
Etymology: Urophycis: Greek, oura = tail + Greek, phyke, pykis, -idos = the female of a fish that lives among algae (Greek = phykon), related with the gudgeon (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; non-migratory; depth range 27 - 684 m (Ref. 1371), usually 360 - 470 m (Ref. 1371). Deep-water; 31°N - 38°S, 97°W - 38°W (Ref. 56854)
Western Atlantic: Florida (USA), Gulf of Mexico, northern coasts of South America to the Orinoco, perhaps to Rio de Janeiro, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 66.0 cm TL male/unsexed; (Ref. 40637); common length : 40.0 cm TL male/unsexed; (Ref. 5217); max. published weight: 2.5 kg (Ref. 40637); max. reported age: 14 years (Ref. 51038)
spines: 0. Upper limb of first gill arch with 2 or 3 rakers; the barbel very short, or absent in many specimens. A diffuse dusky blotch present on the opercle.
Found on mud bottoms.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of potential interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 8.7 - 16.9, mean 11.5 (based on 46 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5044 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00405 - 0.00620), b=3.12 (3.06 - 3.18), in cm Total Length, based on LWR estimates for this species (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tmax=14; k=0.15-0.19).
Vulnerability (Ref. 59153
): High vulnerability (56 of 100) .