Brazil country information

Common names: Merlusa, Merluza, Merluza-brasileira
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: FAO, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Off southern Brazil, MZUSP 78263 (Ref. 47377). Also Ref. 8984, 27363.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
National Database:

Common names from other countries

Merlu d'Argentine, Merluza Argentina, Мерлуза аргентинская, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Merlucciidae (Merluccid hakes)
Etymology: Merluccius: Latin, mar, maris = the sea + Latin, lucius = pike (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser benthopelagisch; ozeanodrom (Ref. 51243); tiefenbereich 50 - 800 m (Ref. 9715), usually 100 - 200 m (Ref. 1371). Temperate; 20°S - 56°S, 69°W - 40°W (Ref. 58452)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Southwest Atlantic: off southern Brazil to Argentina and the Falkland Islands up to 54°S (Ref. 47377).

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 30.4 range ? - ? cm
Max length : 95.0 cm TL Männchen/unbestimmt; (Ref. 1371); common length : 50.0 cm TL Männchen/unbestimmt; (Ref. 1371); common length :60 cm TL (female); max. veröff. Alter: 6 Jahre (Ref. 83871)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 1; Rückenflossenweichstrahlen (insgesamt): 43-52; Afterflossenstacheln 0; Afterflossenweichstrahlen: 36 - 41; Wirbelzahl: 50 - 53. Gill rakers short and thick with blunt tips. Pectoral fins relatively short, not reaching level of anal fin origin. Color is silvery with golden luster on back, silvery white on belly (Ref. 1371).

Adults inhabit continental shelf depths mainly between 100 and 200 m (Ref. 1371). Larger individuals feed on fish (anchovies, hake, nototheniids, myctophids and Southern blue whitings), squids and macrozooplankton (euphausiids and amphipods); smaller individuals feed on mysids and amphipods (Ref. 1371). Migrate inshore during spring and summer, and offshore into deep water wintering areas after spawning; also undertake diel vertical migrations (Ref. 1371). Sold fresh and frozen.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

An indeterminate batch spawner.

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: hoch kommerziell

FAO(Fischereien: production, Artbeschreibung; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 4.5 - 18, mean 6.3 (based on 214 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00479 (0.00401 - 0.00571), b=3.09 (3.04 - 3.14), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 4.0 ±0.61 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.13-0.19; tm=6).

Prior r = 0.42, 95% CL = 0.26 - 0.66, Based on 4 stock assessments.

Fishing Vulnerability (Ref. 59153): High vulnerability (61 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (44 of 100).

Preiskategorie (Ref. 80766): Medium.

Merluccius hubbsi Marini, 1933