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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Sternoptyx: Greek, sternon = sternon, + Greek, ptyx = fold (Ref. 45335).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 500 - 2700 m (Ref. 74511). Deep-water
Indo-Pacific: common in the Indian Ocean north of 15°S; reported to 30°S in the Indian Ocean east of 50°E. Also known from New Zealand (Ref. 5755) and west of the Ryukyu Islands (Ref. 559). Reported in Peru (Ref. 45845). South China Sea (Ref.74511).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL hane/ej könsbestämd; (Ref. 4054)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 9 - 11; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 12 - 13.
Mesopelagic species (Ref. 559). Also Ref. 58302.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Weitzman, S.H., 1986. Sternoptychidae. p. 253-259. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4054)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 2.7 - 6.8, mean 4.2 °C (based on 1584 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01007 - 0.04976), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.2 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).