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Overview |
Main identification features
- head greater than 30 percent sl
- 2nd dorsal fin 36-39
- gill rakers 16-18
Elongate, compressed, tapering to a narrow tail base; head large (30-33.5% of standard length) and flattened, with a V shape crest on top; large eyes and mouth, lower jaw slightly projecting; jaw teeth long, strong and pointed; 16-18 relatively short rakers on first gill arch; fins without spines; 2 separate dorsal fins, the 1st shorter and higher, the 2nd with a long base (36-39 rays) and partly divided by a notch; well developed, nonfilamentous pelvic fins, situated before the pectorals; tail fin short, slightly forked; scales small, 121-134 on the lateral line.
Color – silvery, with a black cast above; fins dusky, pectorals blackish.
Size: 40 cm.
Habitat: bathypelagic.
Depth: 80-500 m.
Southern California to the Gulf of California to Colombia.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 500 m.
Depth Range Min: 80 m.
Diet: octopus/squid/cuttlefish; bony fishes; Pelagic crustacea.
Eastern Pacific Range: Northern limit=33; Southern limit=1; Western limit=-118; Eastern limit=-78; Latitudinal range=32; Longitudinal range=40.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Bathypelagic.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Water column.
Inshore Offshore: Inshore; Offshore; In & Offshore.
IUCN Red List: Not evaluated / Listed.
Length Max: 40 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Near Surface; Mid Water; Near Bottom; Water column only;
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Names |
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Links to other sites |
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References |
- Balart, E.F., Gonzáles-García, J. and Villavicencio-Garayzar, C., 2000., Notes on the biology of Cephalurus cephalus and Parmaturus xaniurus (Chondrichthyes: Scyliorhinidae) from the west coast of Baja California Sur, México., Fishery Bulletin, 98:219-221.
- Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo . Derechos reservados de los autores y Conservación Internacional.
- García-Rodríguez , F. J. and Aurioles-Gamboa, D., 1997., Contribución al conocimiento de la diversidad íctica en la Bahía de La Paz por … lobo marino de California, Zalophus californianus californianus. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:151-162.
- Garman, S., 1899., The Fishes. In: Reports of an exploration off the west coasts of Mexico, Central and South America, and off the Galapagos Islands, ... by the U.S. Fish Commission Steamer "Albatross," during 1891. L.C.Z.L. Tannar, U.S.N. commanding XXVI., Mem. Mus. Comp. Zool., 24:432pp.
- Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
- Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
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Acknowledgements |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Merluccius&speciesname=angustimanus ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Merluccius&speciesname=angustimanus http://192.134.151.83/Summary/speciesSummary.php?genusname=Merluccius&speciesname=angustimanus ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Merluccius&speciesname=angustimanus https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Merluccius&speciesname=angustimanus ---> https://fishbase.mnhn.fr/summary/Merluccius-angustimanus.html
Merluccius angustimanus, Panama hake : fisheries
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Merluccius angustimanus
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Teleostei (teleosts) >
Gadiformes
(Cods) >
Merlucciidae
(Merluccid hakes)
Etymology:
Merluccius:
Latin, mar, maris = the sea + Latin, lucius = pike (Ref.
45335
)
.
More on author:
Garman
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; non-migratory; depth range 80 - 523 m (Ref.
58018
). Subtropical; 28°N - 1°N, 113°W - 78°W (Ref.
58452
)
Eastern Pacific: off the west coast of the Americas from Del Mar, California to Ensenada de Tumaco, Colombia. Vrooman and Paloma's (1970) dwarf hake off the coast of Baja California has recently been described as a different species,
Merluccius hernandezi
Mathews, 1985.
Length at first maturity / Size / Weight / Age
Maturity: L
m
22.0
, range 18 - 27 cm
Max length : 40.0 cm TL male/unsexed; (Ref.
1371
); common length : 32.0 cm TL male/unsexed; (Ref.
1371
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 1;
Dorsal
soft rays
(total): 45-52. Head rather long, about 30% of SL. Gill rakers long and slender, with pointed tips. Pectoral fins long, the tips reaching to or beyond the origin of the anal fin. Overall color silvery, lighter ventrally.
Occurs from shallow continental shelf to the upper continental slope, and in the mid-waters of the open sea and on sea-mounts (Uncle Sam Bank). Exploited only on a local level due to its abundance and its relatively small median size (Ref.
9119
). Minimum length of first sexual maturity for both sexes is 18-19 cm, and spawning occurs from April to June, or later (Ref.
58452
).
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.
130435
)
Least Concern (LC)
; Date assessed:
01 May 2008
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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; Publication:
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Estimates based on models
Preferred temperature (Ref.
123201
): 11.1 - 13.7, mean 12.6 °C (based on 24 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00243 - 0.00821), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 4.0 ±0.5 se; based on size and trophs of closest relatives
Generation time: 3.3 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.34-0.35; tm=3; tmax=7).
Fishing Vulnerability (Ref.
59153
): Low to moderate vulnerability (33 of 100).
Climate Vulnerability (Ref.
125649
): Moderate vulnerability (39 of 100).
Price category (Ref.
80766
):
High
.
Nutrients (Ref.
124155
): Calcium = 44.7 [17.6, 138.5] mg/100g; Iron = 0.85 [0.29, 2.18] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.171 [0.102, 0.286] g/100g; Selenium = 45.8 [20.1, 103.7] μg/100g; VitaminA = 19.9 [5.9, 66.5] μg/100g; Zinc = 0.458 [0.292, 0.702] mg/100g (wet weight);
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Updated: 2024-05-23 04:58:03 gmt
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