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Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Bellingshausenia: Named for its type locality, Bellingshausen Sea; olasoi: Named for Dr. Ignacio Olaso.
Eponymy: Dr Ignacio Olaso is a Researcher who was (2002–2003) Principle Investigator at the Department of Fishery of the Spanish Institute of Oceanography (IEO). He was described by the author as an “…expert in feeding ecology of fish”. (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall ? - 615 m (Ref. 81218). Temperate
Antarctic: Bellingshausen Sea, Southern Ocean.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 28.0 cm SL hane/ej könsbestämd; (Ref. 81218); 25.4 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
This species is distinguished by the following set of characters: branchiostegal rays 7; scapular foramen open; narrow cranium; smooth ceratohyal-epihyal articulation; well developed palatal arch; no supratemporal commissure and occipital pores; reduced intercalar, displaced backward; smooth ceratohyal-epihyal juncture, well-developed palatal arch and parasphenoid wing reaching mid-height of the trigeminofacialis foramen; presence of scales, lateral line, pelvic fins, pseudobranch, pyloric caeca, vomerine and palatine teeth (Ref. 81218).
Body shape (shape guide): eel-like.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Matallanas, J., 2009. Description of a new genus and species of zoarcid fish, Bellingshausenia olasoi, from the Bellinghausen Sea (Southern Ocean). Polar Biol. 32(6):873-878. (Ref. 81218)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00123 (0.00059 - 0.00258), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (54 of 100). 🛈 |