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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Mataeocephalus: Greek, maa, mataio = silliness + Greek,kepahle = head (Ref. 45335).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; ej vandrande; djupintervall 700 - 1600 m (Ref. 9315). Deep-water; 9°N - 3°S, 94°W - 77°W (Ref. 1371)
Eastern Pacific: off the Pacific coast of Panama, Colombia and Ecuador; Cocos and Galapagos islands.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL hane/ej könsbestämd; (Ref. 1371)
Taggstrålar i ryggfenan (totalt) : 2; Taggstrålar i analfenan: 0. Eyes large; snout long, with a prominent, bifid terminal scute; underside of the head almost entirely naked, with relatively little ventral overlap of scales along the leading edge of the snout. Body scales with short, conical spinules, arranged in parallel rows. Periproct large, oval, several scale rows from anal fin. Pyloric caeca 16 to 21.
Maximum TL of more than 30 cm (Ref. 9315).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 4.3 - 5.8, mean 4.8 °C (based on 6 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): 3.5 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
Nutrients (Ref.
124155): Calcium = 38.8 [11.5, 91.4] mg/100g; Iron = 0.333 [0.143, 0.925] mg/100g; Protein = 17.4 [15.5, 19.2] %; Omega3 = 0.134 [0.049, 0.350] g/100g; Selenium = 17.2 [5.6, 46.8] μg/100g; VitaminA = 28.9 [3.3, 230.1] μg/100g; Zinc = 0.581 [0.317, 1.160] mg/100g (wet weight);
