Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 0 - 2000 m (Ref. 35591), usually 200 - 700 m (Ref. 58302). Deep-water
Circumglobal: In tropical to temperate waters. Eastern Atlantic: one confirmed record near Ascension Islands. Eastern Pacific: southern California to Chile (Ref. 35591).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 6592)
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0. Black in color, lateral line pores light (Ref. 6592). Lateral line pores before anus about 55 (Ref. 6592).
Meso- to bathypelagic (Ref. 58302). Feed on small fishes and crustaceans. Eggs and leptocephali are planktonic (Ref. 35591). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Smith, D.G., 1990. Derichthyidae. p. 193-194. 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. 5228)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 3.5 - 13.5, mean 7.8 °C (based on 805 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.1250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.30 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).