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Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); druzhinini: Named in honor of Soviet ichthyologist Anatoly Dmitriyevitch Druzhinin.
Eponymy: Dr Anatoly Dmitrievich Druzhinin (1926–1979) was a marine biologist and fisheries scientist at the All-Russian Research Institute of Fisheries and Oceanography (VNIRO), where he was Professor and head of the pelagic fish laboratory. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 330 - 445 m (Ref. 10914). Deep-water
Western Indian Ocean: Yemen.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 13.1 cm SL mâle / non sexé; (Ref. 9869)
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Kotlyar, A.N., 1986. Systematics and distribution of species of the genus Hoplostethus Cuvier (Beryciformes, Trachichthyidae). Trudy Inst. Okeanol. 121:97-140. (Ref. 9869)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 5.3 - 8.3, mean 7.1 °C (based on 36 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00714 - 0.03859), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).