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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Cataetyx: Greek, kata = down + Greek, etix, stixo, stizo = to prick, to puncture.
Eponymy: This is a toponym referring to the Messier Strait, Patagonia, Chile, where the holoype was collected. (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 140 - 1649 m (Ref. 75877). Deep-water; 42°S - 57°S
Southeast Pacific and Southwest Atlantic: Patagonian region of Chile and Argentina. Records from South Africa and New Zealand are erroneous (Ref. 34024).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 27.6 cm SL mâle / non sexé; (Ref. 27363)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 100; Épines anales: 0; Rayons mous anaux: 70. Body uniformly dark brown with ventral parts of head and trunk pale. Pelvic fins pale brown, remaining fins dark brown (Ref. 27363).
Uncommon species (Ref. 34024).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | 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: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 6.1, mean 4.3 °C (based on 70 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).