Sternoptyx diaphana, Diaphanous hatchet fish

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Sternoptyx diaphana Hermann, 1781

Diaphanous hatchet fish
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Sternoptyx diaphana   AquaMaps   Data sources: GBIF OBIS
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Image of Sternoptyx diaphana (Diaphanous hatchet fish)
Sternoptyx diaphana
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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Stomiiformes (Lightfishes and dragonfishes) > Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Sternoptyx: Greek, sternon = sternon, + Greek, ptyx = fold (Ref. 45335).

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

; marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 400 - 3676 m (Ref. 26165), usually 500 - 800 m (Ref. 47377).   Deep-water; 52°N -

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Atlantic, Indian and Pacific: mainly tropical regions (Ref. 47377). Eastern Atlantic: scattered records southwest of Ireland, also from Spain south to Angola. South China Sea and East China Sea (Ref.74511).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL hane/ej könsbestämd; (Ref. 47377)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 9-11; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 12 - 16. Triangular transparent membrane present above anal fin base (Ref. 13608).

Biologi     Ordlista (t.ex. epibenthic)

Oceanic and non-vertical migrant (Ref. 4739). Mesopelagic at 275-1200 m (Ref. 58302). Commonly found in 500-800 m both day and night (Ref. 4054). Possibly a cyclic feeder of copepods, ostracods, euphausiids, amphipods, fishes and other taxa (Ref. 4739). Adult photophore complement acquired at 11-13 mm SL (Ref. 4739). Lipid content 1.4 % in fresh body weight and wax ester is 4.2 % in total lipids (Ref. 9193).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 15 July 2014

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: saknar intresse
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Ytterligare information

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Internet-källor

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Estimates based on models

Preferred temperature (Ref. 115969): 2.4 - 10.4, mean 6.8 °C (based on 1057 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00649 - 0.04054), b=3.06 (2.84 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.4   ±0.2 se; based on diet studies.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming tmax>3).
Vulnerability (Ref. 59153):  Low vulnerability (16 of 100) .