>
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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 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).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 27.6 cm SL mannelijk / geslacht onbekend; (Ref. 27363)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 100; Anale stekels: 0; Anale zachte stralen: 70. Body uniformly dark brown with ventral parts of head and trunk pale. Pelvic fins pale brown, remaining fins dark brown (Ref. 27363).
Body shape (shape guide): elongated.
Uncommon species (Ref. 34024).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
Trofisch niveau (Ref. 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming Fec < 100). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |