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Argyropelecus affinis Garman, 1899

Pacific hatchet fish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Argyropelecus affinis   AquaMaps   Data sources: GBIF OBIS
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Image of Argyropelecus affinis (Pacific hatchet fish)
Argyropelecus affinis
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Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Stomiiformes (Lightfishes and dragonfishes) > Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Argyropelecus: Greek, argyros = silvered, silver + Greek, pelekys = axe (Ref. 45335).
More on author: Garman.

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

marien bathypelagisch; oceanodroom (Ref. 51243); diepte 1 - 3872 m (Ref. 13608), usually 1 - 600 m (Ref. 35838). Deep-water; 45°N - 45°S, 180°W - 180°E

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Eastern Atlantic: occasionally between Azores and Madeira (Ref. 4739), also from Senegal to Gulf of Guinea. Western Atlantic: 30°N-30°S, including the Gulf of Mexico (Ref. 27768). Northwest Atlantic: Canada (Ref. 5951). Indian Ocean: 20°N-20°S. Eastern Pacific: 35°N-35°S. Western Pacific: 30°N-10°S. South China Sea (Ref.74511).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 8.4 cm SL mannelijk / geslacht onbekend; (Ref. 4462)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 8 - 9; Anale stekels: 0; Anale zachte stralen: 12 - 14; Wervels: 38 - 41. Scales deciduous; swim bladder well developed, gas-filled, euphysoclistous; branchiostegal rays 10, 3 on epihyal; post-abdominal spines (iliac) short, equal in length; abdominal keels shallow (Ref. 4739).

Biologie     Verklarende woordenlijst (bv. epibenthic)

An oceanic and mesopelagic species (Ref. 4739, 58302), mainly at 300-650 m (Ref. 4054), 170-500 m at night and 350-600 m during day (Ref. 58302), commonly 1-600m (Ref. 035838). May make short diel migrations (Ref. 4739). Smaller individuals feed on copepods and ostracods; larger ones feed on euphausiids, salps and chaetognaths (Ref. 4739). Adult complement of photophores acquired at about 14 mm SL (Ref. 4739). Oviparous, with planktonic eggs and larvae (Ref. 35838).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous (Ref. 35838).

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Sternoptychidae. p. 275-282. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4462)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
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Estimates based on models

Preferred temperature (Ref. 123201): 9.2 - 28.9, mean 24.6 °C (based on 11134 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00961 - 0.02738), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.1   ±0.19 se; based on food items.
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.67).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (21 of 100).