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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).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 485 - 550 m (Ref. 9869). Deep-water
Atlantic Ocean: southern Nova Scotia south to the northern part of the Gulf of Mexico, on the eastern seaboard of Florida, in the Bahama, in the west and southern Caribbean, and around Venezuela, Guyana, Suriname, Tobago and Brazil.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.3 cm SL hane/ej könsbestämd; (Ref. 37108)
Taggstrålar i ryggfenan (totalt) : 6; Mjukstrålar i ryggfenan (totalt) : 13; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 9. Pectoral fin long, its tip extending beyond anal fin origin (Ref. 13608). Scales adherent, spinules small, margins serrate, spines on fin rays small. Denticles on head bones small, septae relatively strong (Ref. 37108).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
Threat to humans
Harmless
Human uses
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Verktyg
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Estimates based on models
Preferred temperature (Ref.
123201): 8.3 - 13.5, mean 9.4 °C (based on 21 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).
Trofisk nivå (Ref.
69278): 3.6 ±0.59 se; based on food items.
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).