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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Mataeocephalus: Greek, maa, mataio = silliness + Greek,kepahle = head (Ref. 45335).
More on authors: Gilbert & Cramer.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; non migrateur; profondeur 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.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 22.5 cm TL mâle / non sexé; (Ref. 95664)
Épines dorsales (Total) : 2; Épines anales: 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.
Found on the continental slope (Ref. 75154). Benthopelagic (Ref. 58302).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 3.6 - 6.8, mean 5.6 °C (based on 4 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00431), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).