Bald Notothen, Trematomus borchgrevinki (Boulenger 1902)

Other Names: Bald Notothen, Bald Rock Cod, Bald Rockcod

Summary:

A yellowish icefish with dark spots and irregular crossbars, and sometimes with spotted dorsal and caudal fins. All members of the family Nototheniidae, have specialised "antifreeze" blood that enables them to live in Antarctica's freezing waters. The species is cryopelagic, living near the icy layer beneath fast sea ice.

Video of Bald Notothen at New Harbor and also at the Cape Evans Ice Wall, in the Ross Sea near McMurdo Station.

Cite this page as:

Bray, D.J. 2019, Trematomus borchgrevinki in Fishes of Australia, accessed 24 Apr 2024, https://fishesofaustralia.net.au/Home/species/5048

Bald Notothen, Trematomus borchgrevinki (Boulenger 1902)

More Info

Distribution	Prydz Bay, also off Adelie Land and known from the shores of Ross, Davis, and Weddell Seas so probably throughout Australian Antarctic Territory; Elsewhere the species occurs in the Southern Ocean (to South Orkney Islands), possibly circum-Antarctic, at depths of 0-695 m. A cryopelagic species - found on the underside of sea ice along the Antarctic shore and under thick ice shelves.
Features	Dorsal fin IV-VII, 34-38; Anal fin 30-35.
Feeding	An active cryopelagic predator - forages under the ice for prey such as copepods and krill.
Etymology	The species is named after C.E. Borchgrevink of Norway, the Commander of the Bristish Southern Cross Antarctic Expedition of 1898-1900.
Species Citation	Trematomus borchgrevinki Boulenger 1902, Report on the collections of natural history made in the Antarctic regions Pt 5: 179, Pl. 12. Type locality: Duke of York Island, at surface; Cape Adare, at surface (syntypes).
Author	Bray, D.J. 2019
Resources	Australian Faunal Directory

Bald Notothen, Trematomus borchgrevinki (Boulenger 1902)

References

Andriashev, A.P., Butskaya, N.A. & Faleeva, T.I. 1979. Sexual cycles of Antarctic fishes Trematomus bernacchii and Pagothenia borchgrevinki (Nototheniidae) in connection with adaptation to living conditions. Doklady Akademia Nauka S.S.S.R. 248: 499-502.

Boulenger, G.A. 1902. Pisces. In: Report on the collections of natural history made in the Antarctic regions during the voyage of the "Southern Cross". Pt 5: 174-189, Pls. 11-18.
Butskaya, N.A. & Faleeva, T.I. 1987. Seasonal changes in the gonads and fecundity of Antarctic fishes Trematomus bernacchii, Trematomus hansoni and Pagothenia borchgrevinki. Journal of Ichthyology 27: 27-36.

Dewitt, H.H., Heemstra, P.C. & Gon, O. 1990. Nototheniidae. pp. 279-331. In Gon, O. & P.C. Heemstra, P.C. (eds) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa.

Eastman, J.T. & Devries, A.L. 1982. Adaptations for cryopelagic life in the Antarctic notothenioid fish Pagothenia borchgrevinki. Polar Biology 4: 45-52.

Forster, M.E., Franklin, C.E., Taylor, H.H. & Davison, W. 1987. The aerobic scope of an Antarctic fish, Pagothenia borchgrevinki, and its significance for metabolic cold adaptation. Polar Biology 8: 155-159.

Foster, B.A. & Montgomery, J.C. 1993. Planktivory in benthic nototheniid fish in McMurdo Sound, Antarctica. Environmental Biology of Fishes 36: 313-318.

Kellermann, A. (ed.) 1990. Identification key and catalogue of larval Antarctic fishes. Ber. Polarforsch. 67: 1-136.

Kellermann, A. & Kock, K.-H. 1984. Postlarval and juvenile notothenioids (Pisces, Perciformes) in the southern Scotia Sea and northern Weddell Sea during FIBEX 1981. Meeresforsch. 30: 82-93.

Kock, K.-H. & Kellermann, A. 1991. Reproduction in Antarctic notothenioid fish. Antarc. Sci. 3(2): 125-150.

Miller, R.G. 1993. A history and atlas of the fishes of the Antarctic Ocean. Foresta Institute, Nevada. 792 pp.

Pankhurst, N.W. 1990. Growth and reproduction of the Antarctic nototheniid fish Pagothenia borchgrevinki. Polar Biology 10: 387-391.

Wells, R.M.G. 1987. Respiration of Antarctic fishes from McMurdo Sound. Comp. Biochem. Physiol. 88A: 417-424.

Voskoboinikova, O.S. & Kellermann, A. 1997. The osteological development of nine species of Nototheniidae (Perciformes: Notothenioidei). Cybium 21(3): 231-264.

Zimmermann, C. & Hubold, G. 1998. Respiration and activity of Arctic and Antarctic fish with different modes of life: A multivariate analysis of experimental data, pp. 163-174, In di Prisco, G., Pisano, E. & Clark, M. (eds.) Fishes of Antarctica. A biological overview. Springer-Verlag Italia, Milano (Italy), xi + 363 pp