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Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Etymology: Bathydraco: Greek, bathys = deep + Greek, drako = dragon (Ref. 45335).
Eponymy: Joanne E DeWitt (1936–1994) was the wife of the author Dr Hugh Hamilton DeWitt (1933– 1995). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batidemersale; distribuzione batimetrica 600 - 1800 m. Deep-water; 53°S - 61°S
Southern Ocean: upper slopes of the Scotia Sea islands.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm SL maschio/sesso non determinato; (Ref. 5192)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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 2024-2)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.2 - 2.2, mean 1.9 °C (based on 8 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00229 (0.00120 - 0.00437), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Fec assumed to be < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
