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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Trachonurus: Greek, trachon, -onos = roughness + Greek, oura = tail (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina batypelagisk; djupintervall 514 - 1590 m (Ref. 3587). Deep-water
Worldwide: Eastern Atlantic: Azores and Madeira Islands and off Morocco. Western Atlantic: Gulf of Mexico and Caribbean Sea. Western Pacific: southern Japan to the Philippine and Indonesian seas. Eastern Pacific: Hawaii. Reported from off South Australia (Ref. 2800) and New Zealand (Ref. 87166).
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 60.0 cm TL hane/ej könsbestämd; (Ref. 2800)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0. Body dark brown to black. Narrow band of small, pointed teeth in both jaws. Armed with upright spinules. Head fully scaled, except branchiostegal membranes and gular membrane (Ref. 37108).
Body shape (shape guide): elongated.
A benthic species found on the continental slope (Ref. 75154). Feeds on crustaceans and molluscs (Ref. 44075).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Geistdoerfer, P., 1990. Macrouridae. p. 541-563. 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. 2. (Ref. 3587)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
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Estimates based on models
Preferred temperature (Ref.
123201): 3.3 - 9.6, mean 5.8 °C (based on 761 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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