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Diagnostic Description

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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.
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Recorder
Rodolfo B. Reyes
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Morphology

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Dorsal spines (total): 1; Dorsal soft rays (total): 4552
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Rodolfo B. Reyes
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Biology

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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).
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Susan M. Luna
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Importance

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fisheries: minor commercial; price category: high; price reliability: reliable: based on ex-vessel price for this species
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Panama hake

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The Panama hake (Merluccius angustimanus), also known as the dwarf hake, is a merluccid hake of the genus Merluccius, found off the west coast of the Americas from Del Mar, California, to Ensenada de Tumaco, Colombia.[2]

Description

The Panama hake is a relatively small species which does not normally grow to a greater length than 30 cm, although specimens have been described up to 40 cm. It has a relatively long head and long pectoral fins which reach at least to the origin of the anal fin. The anterior dorsal fin has a single spine and 9-12 fin rays, while the posterior dorsal fin has 36-40 rays. The caudal fin can be truncate or emarginated and it has 121-134 scales along the lateral line. It is a silvery colour above and whitish below.[3]

Distribution

The Panama hake is an eastern Pacific species which is found from southern California and the Gulf of California south to Colombia, although its reported presence in many areas within this range needs verification.[1]

Habitat and biology

The Panama Hake is a demersal, bathypelagic species which occurs from the shallow continental shelf at 80m to the upper continental slope as deep as 500m, as well as in the ocean's midwaters and over sea mounts such as Uncle Sam Bank.[3] It has pelagic eggs and larvae and feeds on fish and invertebrates.[1] It spawns from April to June or even later. they reach sexual maturity when they attain a length of 18 to 19 cm.[3] They may live for up to seven year.[4]

Fishing

M. angustimanus has little importance commercially because of its small size and low abundance,[3] although it fetches high prices when it occasionally shows up on the market, as it is sometimes exported on a local level.[5]

References

  1. ^ a b c Iwamoto, T.; Eschmeyer, W. & Alvarado, J. (2010). "Merluccius angustimanus". The IUCN Red List of Threatened Species. 2010: e.T183799A8178972. doi:10.2305/IUCN.UK.2010-3.RLTS.T183799A8178972.en.
  2. ^ FishBase species | genus = Merluccius | species = angustimanus | month = August | year = 2013
  3. ^ a b c d Daniel M. Cohen; Tadashi Inada; Tomio Iwamoto & Nadia Scialabba, eds. (1990). 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 (PDF). Food and Agriculture Organization of the United Nations. pp. 331–332. ISBN 978-92-5-102890-2. Retrieved 2 April 2018.
  4. ^ Domingo Lyons; J. Matallanas (2005). Hakes of the World (family Merlucciidae): An Annotated and Illustrated Catalogue of Hake Species Known to Date Issue 2 of FAO species catalogue for fishery purposes, Food and Agriculture Organization of the United Nations. Food and Agriculture Organization. pp. 19–21. ISBN 978-9251049846.
  5. ^ Sumaila, U.R., A.D. Marsden, R. Watson y D. Pauly, 2007. "A global ex-vessel fish price database: construction and applications" J. Bioeconomics 9: 39-51.
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Panama hake: Brief Summary

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The Panama hake (Merluccius angustimanus), also known as the dwarf hake, is a merluccid hake of the genus Merluccius, found off the west coast of the Americas from Del Mar, California, to Ensenada de Tumaco, Colombia.

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