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Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Etymology: Racovitzia: Because of Janko von Racovitz, Rumanian entomologist.
Eponymy: Professor Dr Emil G Racoviță (sometimes Racovitza) (1868–1947) was a Romanian zoologist and especially a pioneering bio-speleologist. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall 219 - 610 m. Deep-water; 57°S - 78°S
Southern Ocean: circum-Antarctic on continental shelf, insular shelf of the South Sandwich Islands, South Orkney Islands, Elephant Island and South Shetland Island.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 27.1 cm TL hane/ej könsbestämd; (Ref. 124149); 28.7 cm TL (female); publicerad maxvikt: 84.80 g (Ref. 124149); publicerad maxvikt: 84.80 g
Larvae 12-13 mm TL found in November, larval pelagic phase is long (Ref. 41551). Larvae and juveniles present during summer. Food item: amphipods, Euphausia superba. Dependence on krill indicative from association of juveniles with krill concentrations in oceanic waters (Ref. 5192).
Gon, O., 1990. Bathydraconidae. p. 364-380. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5192)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00170 (0.00110 - 0.00263), b=3.25 (3.12 - 3.38), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.0 ±0.00 se; based on food items. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec = 1,400-1,968). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |