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Teleostei (teleosts) > 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 Ecology

Marine; bathypelagic; depth range 330 - 445 m (Ref. 10914). Deep-water

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Western Indian Ocean: Yemen.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 13.1 cm SL male/unsexed; (Ref. 9869)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Moore, Jon A. | Collaborators

Kotlyar, A.N., 1986. Systematics and distribution of species of the genus Hoplostethus Cuvier (Beryciformes, Trachichthyidae). Trudy Inst. Okeanol. 121:97-140. (Ref. 9869)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 26 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

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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): PD₅₀ = 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).

Trophic level (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Hoplostethus druzhinini Kotlyar, 1986