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Ophidiiformes (Cusk eels) >
Ophidiidae (Cusk-eels) > Neobythitinae
Etymology: Xyelacyba: Greek, xyele, -es = plane (tool) + Greek, kybeia, -ou = a fish (Ref. 45335).
More on author: Cohen.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 984 - 2500 m (Ref. 34024). Deep-water
Possibly worldwide in tropical and subtropical seas (but not yet caught in the eastern Pacific) (Ref. 34024). Eastern Atlantic: 2 specimens between 12°N and 9°25'N. Western Atlantic: Gulf of Mexico to off southern Brazil. Northwest Pacific: Ashizuri Cape, Japan.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 57.0 cm TL mâle / non sexé; (Ref. 3686)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 89; Rayons mous anaux: 74. Body and tail strongly compressed, snout round and short, no spine on tip. Head and body uniformly whitish, margins of median fins light brown, jaws, pelvic fins, mouth and gill cavities deep brown. Peritoneum and stomach deep brown, intestine yellowish.
A benthopelagic species at bathyal depth (Ref. 56809). Found on the continental slope (Ref. 75154). Rare species (Ref. 34024). Reproductive strategy possibly similar to other members of this family featuring oviparity, with oval pelagic eggs floating in a gelatinous mass (Ref. 205).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)
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): 2.5 - 5.2, mean 3.5 °C (based on 1299 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.7 ±0.6 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): Moderate vulnerability (43 of 100).
