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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Ventrifossa: Latin, venter, ventris = belly + Latin, fosa = pit (Ref. 45335).
More on author: Smith.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; ej vandrande; djupintervall 395 - 960 m (Ref. 11953). Deep-water; 18°S - 38°S, 25°E - 40°E (Ref. 1371)
Western Indian Ocean: Mozambique to Durban, South Africa (Ref. 2800).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 41.0 cm TL hane/ej könsbestämd; (Ref. 1371)
Taggstrålar i ryggfenan (totalt) : 2; Taggstrålar i analfenan: 0. Pyloric caeca 29 to 37. Scales fairly large with conical spinules arranged in widely divergent V rows or in quincunx pattern. Snout with a black margin along its leading edge only; first dorsal fin with black stripe on membrane between second spinous ray and first branched ray, otherwise generally dusky.
Body shape (shape guide): elongated; Cross section: oval.
Feeds primarily on fish (including Bregmaceros) and squid, but polychaetes and Pagurids crabs have also been found in the stomach (Ref. 1371).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 9.6 - 11.3, mean 10.6 °C (based on 6 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00432), 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): 4.0 ±0.53 se; based on food items.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (31 of 100).
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