Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Merlucciidae
(Merluccid hakes) > Merlucciinae
Etymology: Macruronus: Greek, makros = great + Greek, onos = hake.
This species is synonym of Macruronus novaezelandiae (Hector, 1871) in Eschmeyer (CofF ver. Jan. 2012: Ref. 89336). Waiting for more confirmation. Please send references or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; oceanodromous (Ref. 51243); depth range 30 - 500 m (Ref. 1371). Subtropical; 34°S - 60°S, 79°W - 52°W (Ref. 1371)
Southeast Pacific and Southwest Atlantic: off southern Chile and Argentina.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 54 - ? cm
Max length : 115 cm TL male/unsexed; (Ref. 7063); common length : 80.0 cm TL male/unsexed; (Ref. 1371); max. published weight: 5.0 kg (Ref. 1371)
soft rays: 83 - 90. Dorsal part of body purplish blue, belly silvery with a slight bluish tinge; small melanophores scattered on fin membrane of dorsal and anal fins; inside of mouth blackish (Ref. 1371).
Schooling species which are concentrated on the outer part of the continental shelf (Ref. 1371). Feeds mainly on fish (herring, anchovies, lantern fishes), also on mysids, cephalopods, euphausiids and amphipods (Ref. 1371). Migrates southward in spring and summer and northward in winter (Ref. 1371). Utilized fresh, frozen and for fishmeal (Ref. 1371).
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: highly commercial
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 4.5 - 9.7, mean 6.5 (based on 311 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00199 - 0.00527), b=3.01 (2.86 - 3.16), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.60 se; Based on food items.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (K=0.09-0.1).
Prior r = 0.28, 95% CL = 0.16 - 0.48, Based on 1 stock assessment.
Vulnerability (Ref. 59153
): High to very high vulnerability (71 of 100) .