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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse" .
More on authors: Gilbert & Cramer.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθοπελαγικό; μη μεταναστευτικό(ά); εύρος βάθους 219 - 914 m (Ref. 58302). Deep-water; 30°N - 35°S, 34°E - 85°W (Ref. 1371)
Indo-Pacific: off Mozambique, Kyushu-Palau Ridge, and Hawaii. Southeast Pacific: Sala y Gomez Ridge. Very close to Nezumia condylura.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 27.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 1371)
Ραχιαίες άκανθες (συνολικά) : 2; Μαλακές ραχιαίες ακτίνες (συνολικά) : 160 - 163; Εδρικές άκανθες: 0. Snout short, blunt, with large terminal and lateral angle scutes; underside of the snout, mandible and most of the suborbital, and part of the lower margin of the preopercle without scales. Pyloric caeca 22 to 32. Body scales with sharp, needle-like spinules arranged in parallel rows. Overall color is brownish, abdominal region violaceous; gill membranes blackish; fins dusky, first dorsal fin blackish distally. Also Ref. 2800.
A benthic species found on the continental slope (Ref. 75154). Off Hawaii, individuals reportedly taken in June by the ALBATROSS had been feeding exclusively on small eggs. Mature eggs were found in a specimen taken in August (Ref. 1690).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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)
Threat to humans
Harmless
Human uses
αλιεία: παραδοσιακή αλιεία
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 7.9 - 13.8, mean 10.1 °C (based on 323 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
Τροφικό Επίπεδο (Ref.
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
