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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.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino batidemersale; distribuzione batimetrica 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.
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 27.1 cm TL maschio/sesso non determinato; (Ref. 124149); 28.7 cm TL (female); peso massimo pubblicato: 84.80 g (Ref. 124149); peso massimo pubblicato: 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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
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Estimates based on models
Preferred temperature (Fonte Biblio.
123201): -1.8 - 0.7, mean -0.9 °C (based on 472 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00170 (0.00109 - 0.00264), b=3.26 (3.12 - 3.40), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 3.0 ±0.00 se; based on food items.
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Fec = 1,400-1,968).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
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