Halargyreus johnsonii, Slender codling

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Halargyreus johnsonii Günther, 1862

Slender codling
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Halargyreus johnsonii   AquaMaps   Data sources: GBIF OBIS
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Image of Halargyreus johnsonii (Slender codling)
Halargyreus johnsonii
Picture by Armesto, A.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gadiformes (Cods) > Moridae (Morid cods)
Etymology: Halargyreus: Greek, als = salt + Greek, argyros = silver (Ref. 45335).
More on author: Günther.

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

Marine; bathypelagic; depth range 450 - 3000 m (Ref. 50550). Deep-water; 67°N - 60°S, 86°W - 122°W (Ref. 1371)

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

Spotty records from the subarctic and subantarctic to temperate waters of the Atlantic Ocean. South Atlantic: along the coast of Africa, on Walvis Ridge, near Discovery and Meteor seamounts and on the continental slope of Antarctica (Ref. 44938). Northwest Atlantic: Canada (Ref. 5951). North Pacific: northwestern Bering Sea and the Pacific Ocean south of the Gulf of Alaska to California and to Japan and the Sea of Okhotsk.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 56.0 cm TL male/unsexed; (Ref. 1371)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 58-67; Anal spines: 0; Anal soft rays: 42 - 53; Vertebrae: 52 - 55. Eye large, its diameter about equal to snout length. Lower jaw slightly projecting; chin barbel absent. Elongate filament in first dorsal fin absent. Anal fin originating at about the midlength of body, deeply indented; pectoral fins not reaching to anal fin origin. Outer 2 pelvic rays elongate. Anterior gill rakers of 1st arch longer than gill filaments. Ventral light organ absent. Color is generally pale, silvery in fresh specimen; urobranchial cavity black (Refs. 1371, 43939).

Biology     Glossary (e.g. epibenthic)

Epibenthic (Ref. 58426). Food consists of free-living small animals, such as crustaceans and squids. This species is reportedly being caught by trawl in temperate waters of Australia (Ref. 9563).

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

Main reference Upload your references | References | Coordinator | 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. 126983)

  Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
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Ecology
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Common names
Synonyms
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Predators
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Fecundity
Eggs
Egg development
Age/Size
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Otoliths
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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 0.2 - 7.1, mean 3.7 °C (based on 813 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00195 - 0.00776), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.47 se; based on food items.
Resilience (Ref. 120179):  Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100).
Climate Vulnerability (Ref. 125649):  Low vulnerability (11 of 100).
Nutrients (Ref. 124155):  Calcium = 24.8 [7.6, 57.6] mg/100g; Iron = 0.326 [0.144, 0.931] mg/100g; Protein = 17.3 [15.6, 19.1] %; Omega3 = 0.115 [0.044, 0.294] g/100g; Selenium = 23.4 [7.2, 63.4] μg/100g; VitaminA = 32.9 [4.2, 273.0] μg/100g; Zinc = 0.528 [0.283, 1.067] mg/100g (wet weight);