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Notacanthiformes (Halosaurs and deep-sea spiny eels) >
Halosauridae (Halosaurs)
Etymology: Halosaurus: Greek, als, alis = salt + Greek, sauros = lizard (Ref. 45335).
Eponymy: Professor Dr Sir Richard Owen (1804–1892) was a British anatomist and biologist who studied medicine at the University of Edinburgh. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall 440 - 1700 m (Ref. 4448). Deep-water; 38°N - 35°S, 98°W - 20°E
Eastern Atlantic: Azores and Morocco to South Africa, including western Mediterranean (off Algeria). Western Atlantic: Gulf of Mexico, Caribbean, and off Lesser Antilles.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 60.0 cm TL hane/ej könsbestämd; (Ref. 4448)
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 8 - 9. Body is compressed (Ref. 37108). Pinkish with silvery reflections, darker dorsally (Ref. 3974). Lacks the checkerboard pattern of whitish and brown, produced by concentration of pigment at the margins of the scale pockets (Ref. 37108).
Body shape (shape guide): eel-like.
The shallowest-occurring halosaur in the Atlantic. May form aggregations. Feeds on polychaetes, sipunculids, crustaceans and fish.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Sulak, K.J., 1990. Halosauridae. p. 126-132. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4448)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00087 (0.00033 - 0.00228), b=3.07 (2.84 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.48 se; based on food items. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |