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Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Etymology: Bathytroctes: Greek, bathys = deep + Greek, trokta, -on = sweets for dessert; also = troktos, -e, -on = edible (Ref. 45335).
Eponymy: ‘Michael Sars’ was the name of the Norwegian research vessel from which the holotypes were collected. The vessel was named after the Norwegian theologian and biologist Michael Sars (1805–1869). (Ref. 128868), visit book page.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino batipelagico; distribuzione batimetrica 2010 - 5057 m (Ref. 34286). Deep-water; 53°N - 9°S
Eastern Atlantic: southwest of Ireland and off Portugal; Cameroon south to Angola (Ref. 4460). Also known from the Northwest Atlantic.
Size / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 37.0 cm SL maschio/sesso non determinato; (Ref. 4460)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Sazonov, Y.I., 1999. On the revision of the genus Bathytroctes Günther (Alepocephalidae): a review of the abyssobenthopelagic forms (previously referred to the genus Nomoctes) with a description of two new species. J. Ichthyol. 39(9):699-712. (Ref. 34286)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 2.6 - 3.3, mean 2.9 °C (based on 650 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5005 [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).
Trophic level (Fonte Biblio.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (35 of 100).
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