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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 / distribuzione batimetrica / distribution range
Ecologia
marino batipelagico; non migratori; distribuzione batimetrica 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 / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 30.0 cm TL maschio/sesso non determinato; (Ref. 1371)
Spine dorsali (totale) : 2; Spine anali: 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.
Body shape (shape guide): elongated; Cross section: oval.
Maximum TL of more than 30 cm (Ref. 9315).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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 2025-1)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 4.3 - 5.8, mean 4.8 °C (based on 6 cells).
Phylogenetic diversity index (Fonte Biblio.
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).
Trophic level (Fonte Biblio.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
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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);
