Klassifizierung / Names
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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Nototheniops: Greek, noton = filament + Greek, adverbial particle, then, that denotes distance or removal + Greek, opsis = appearance (Ref. 45335); larseni: Named for Captain C.A. Larsen, chief navigator of the Swedish Antarctic Expedition (Ref. 11892).
Eponymy: Carl Anton Larsen (1860–1924) was a Norwegian Antarctic explorer. [...] (Ref. 128868), visit book page.
More on author: Lönnberg.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser benthopelagisch; tiefenbereich 30 - 750 m (Ref. 51730). Polar; 51°S - 70°S, 92°W - 166°E
Southern Ocean: Balleny Islands, Peter I Island, Palmer Archipelago, Graham Land, South Shetlands, South Orkneys, South Sandwich, South Georgia, Shag Rocks, Bouvet, and sub-Antarctic islands and seamounts of the Indian Ocean Sector (except Kerguelen, Heard, McDonald and Macquarie islands and Kara Dag seamount).
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 22.5  range ? - ? cm
Max length : 24.0 cm TL Männchen/unbestimmt; (Ref. 5179)
Rückenflossenstacheln (insgesamt) : 5 - 6; Rückenflossenweichstrahlen (insgesamt) : 37 - 39; Afterflossenweichstrahlen: 37 - 38. Irregular oblique dark cross-bars on body. Distal part of spinous dorsal with black blotch, soft dorsal with oblique dark stripes. Anal plain or similarly marked. Breast to middle depth of pectoral fins a notable silvery-white (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Feeds mainly on krill, hyperiid amphipods and mysids. Spawning occurs in autumn and winter (Ref. 51730).
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00490 (0.00401 - 0.00599), b=3.22 (3.16 - 3.28), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.3 ±0.3 se; based on diet studies. |
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Generation time |
4.1 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.27; Fec = 2,046). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |
Klimaanfälligkeit (Ref. 125649) |
Low to moderate vulnerability (32 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
High.
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Nährstoffe (Ref. 124155) |
Calcium = 26.6 [16.3, 63.4] mg/100g; Iron = 0.454 [0.188, 0.884] mg/100g; Protein = 16.4 [15.1, 17.6] %; Omega3 = 0.414 [0.202, 0.819] g/100g; Selenium = 16.5 [6.5, 35.9] μg/100g; VitaminA = 33 [8, 144] μg/100g; Zinc = 0.532 [0.360, 0.790] mg/100g (wet weight); |