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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino batipelagico; non migratori; distribuzione batimetrica 600 - 2380 m (Ref. 10437). Deep-water; 35°N - 8°N
Pacific Ocean: Kermadec Islands, Philippines, Darwin Seamount in central Pacific, Tasman Sea, Nazca Ridge. Indian Ocean: off Socotra Island and Western Australian Ridge. Subtropical and tropical Atlantic, including the Gulf of Mexico and Caribbean Sea.
Size / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 111 cm TL maschio/sesso non determinato; (Ref. 37108)
Spine dorsali (totale) : 2; Spine anali: 0. Head large, completely scaled except for the exposed posterior end of the preopercle and gill membranes. Snout short, bluntly pointed. No suborbital ridge developed; scales spinules numerous, small, sharp, conical, in irregularly divergent to roughly quincunx pattern. Pyloric caeca 12 to 16. Overall color is brown or grayish brown; fins somewhat darker.
Body shape (shape guide): elongated; Cross section: circular.
Feeds on cephalopods, at least at larger sizes.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Shcherbachev, Y.N. and T. Iwamoto, 1995. Indian Ocean grenadiers of the subgenus Coryphaenoides, genus Coryphaenoides (Macrouridae, Gadiformes, Pisces). Proc. Calif. Acad. Sci. 48(14):285-314. (Ref. 10437)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: di potenziale interesse
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 3.5 - 9.1, mean 4.9 °C (based on 367 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [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): 4.5 ±0.37 se; based on food items.
Resilienza (Fonte Biblio.
120179): Molto basso, tempo minimo di raddoppiamento della popolazione più di 14 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
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