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Actinopterygii (ray-finned fishes) > Gadiformes (Cods) > Macrouridae (Grenadiers or rattails) > Macrourinae
Etymology: Malacocephalus: Greek, malakos = soft + Greek, kephale = head (Ref. 45335). More on author: Goode, Bean.

Environment / Climate / Range Ecology

Marine; bathydemersal; non-migratory; depth range 140 - 1945 m (Ref. 2683), usually 300 - 500 m (Ref. 1371). Deep-water, preferred ?; 43°N - 37°S, 98°W - 13°E (Ref. 1371)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Atlantic Ocean: in tropical and warm-temperate waters.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 45.0 cm TL male/unsexed; (Ref. 1371); common length : 35.0 cm TL male/unsexed; (Ref. 26999)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Anal spines: 0. Snout short, narrow, weakly pointed. Chin barbel relatively long, about equal in length to eye diameter. Space between first and second dorsal fins wide. Overall color blackish, upper lateral and leading edge of snout, orbital rims, lower margin of suborbital, lips and gular membrane black.

Inhabits warm to temperate waters on the continental slope (Ref. 2683). Feeds on pelagic crustaceans (Ref. 27637).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Iwamoto, Tomio | Collaborators

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. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00095 (0.00053 - 0.00172), b=3.29 (3.13 - 3.45), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic Level (Ref. 69278): 3.9 ±0.2 se; Based on diet studies.

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Moderate to high vulnerability (50 of 100) .

Price category (Ref. 80766): Medium.

Malacocephalus occidentalis Goode & Bean, 1885