>
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Mataeocephalus: Greek, maa, mataio = silliness + Greek,kepahle = head (Ref. 45335).
More on authors: Gilbert & Cramer.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; ej vandrande; djupintervall 400 - 1300 m (Ref. 75667). Deep-water; 26°N - 13°N, 166°W - 148°W (Ref. 1371)
Indo-Pacific, tropical waters: from the Indian Ocean to Sala y Gomez; north to Hawaii; south to New Caledonia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 22.5 cm TL hane/ej könsbestämd; (Ref. 95664)
Taggstrålar i ryggfenan (totalt) : 2; Taggstrålar i analfenan: 0. Snout long, sharply pointed, with a prominent, bifid, terminal scute; underside of the head almost entirely naked. Body scales with short, conical, posteriorly directed, spinules arranged in 4 to 6 parallel rows. Periproct moderate-sized, pear-shaped to oval, midway between the pelvic and anal fins; usually with a small black fossa anterior to anus.
Body shape (shape guide): elongated; Cross section: oval.
Found on the continental slope (Ref. 75154). Benthopelagic (Ref. 58302).
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
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 3.6 - 6.8, mean 5.6 °C (based on 4 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5156 [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): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (13 of 100).
🛈