Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Moridae
Etymology: Physiculus: Diminutive of Greek, physa = tube; hexacytus: From the Greek hexa for six and kytos for cavity, referring to its six pyloric caeca (Ref. 43973).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 230 - 340 m (Ref. 43973). Deep-water
Southeast Pacific: submarine seamounts of the central and southern part of the Nazca Ridge.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.9 cm SL male/unsexed; (Ref. 43973)
Morphology | Morphometrics
soft rays: 70 - 77;
Vertebrae: 58 - 60. Short chin barbel; pyloric caeca 6; spindle-shaped light organ on abdomen near line linking ends of the bases of the pelvic fins; abdominal cavity extending to the level of the 8-9th ray of the anal fin. Caudal fin rounded.
Type specimen taken from 330 m depth (Ref. 9068).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Parin, N.V., 1984. Three new species of the genus Physiculus and other fishes (Moridae, Gadiformes) from the submarine seamounts of the southeastern Pacific Ocean. J. Ichthyol. 24(4):46-60. (Ref. 43973)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 4.4 - 13.1, mean 10.6 (based on 41 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00184 - 0.00718), b=3.13 (2.95 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .