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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Cataetyx: Greek, kata = down + Greek, etix, stixo, stizo = to prick, to puncture.
More on author: Gilbert.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 300 - 1000 m (Ref. 34024). Deep-water; 46°N - 32°N
Eastern Pacific: northern Oregon, USA to Pacific coast of Baja California and the Gulf of California. Specimens from the Gulf of Panama and Chile either this species or still undescribed.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 15.7 cm TL mâle / non sexé; (Ref. 38374)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 100 - 114; Épines anales: 0; Rayons mous anaux: 74 - 86; Vertèbres: 59 - 63. scales present on body and head; eye diameter less than snout length; prominent opercular spine present; lateral ethmoid bone developed as a sharp retrorse suborbital spine; palatine teeth present; 3 well developed rakers on first arch; male intromittent organ on a broad, fleshy pad or stalk (Ref. 38374); branchiostegal rays: 8 (Ref. 36488).
Body shape (shape guide): elongated; Cross section: compressed.
Locally abundant (Ref. 34024). Juveniles mesopelagic, larger individuals benthic at depths of 600 to 1,000 m (Ref. 34024). Ovoviviparous with planktonic larvae (Ref. 36488).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ovoviviparous (Ref. 36488).
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: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00468 (0.00186 - 0.01174), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming tmax>3). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |