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Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Etymology: Leptochilichthys: Greek, leptos = thin + Greek, leptos = thin + Greek, cheilos = lip (Ref. 45335).
Eponymy: Alexander Emanuel Rodolphe Agassiz (1835–1910) was born in Switzerland but emigrated to the USA with his eminent palaeontologist father, Louis Agassiz (see next entry), and made a fortune out of copper mining. [...] (Ref. 128868), visit book page.
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 2000 - 3100 m (Ref. 6558). Deep-water; 51°N - 13°N
Eastern Atlantic: several records between 14°11'N (off Senegal) and 50°08'N. Elsewhere, eastern Pacific, from the equator to 38°24'N. Probably occurring in the Western Central Pacific (Ref. 38717). Reported from the Indian Ocean (Ref. 43180).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.8 cm SL hane/ej könsbestämd; (Ref. 6558)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 11 - 15; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 11 - 13.
Bathypelagic (Ref. 96339). Rare and poorly known.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Markle, D.F. and Y.I. Sazanov, 1990. Leptochilichthyidae. p. 244-245. 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. 6558)
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): 2.4 - 2.7, mean 2.5 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00163 - 0.00737), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).