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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Gobionotothen: Latin, gobius = gudgeon + see under Notothenia; marionensis: marionensis for the type locality , Marion, a bleak 13 mile long Subantarctic island, 1,100 miles southeast of Cape Horn, discovered in 1772 by M. Marion du Fresne commanding a French surveying expedition (Ref. 11892).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino benthopelagico; distribuzione batimetrica 100 - 150 m (Ref. 11892). Polar; 46°S - 61°S
Southern Ocean: South Georgia, South Sandwich Islands, Crozet and Prince Edward.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL maschio/sesso non determinato; (Ref. )
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 29; Raggi anali molli: 27. Back with transverse bars, break up into spots on the sides of the body. Pectorals with series of small dark spots on the rays, often with a blackish spot on the upper part of pectoral base (Ref. 11892).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 0.1 - 2.6, mean 2.1 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00287 - 0.01207), b=3.23 (3.06 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.42 se; based on food items.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).