Antarctic Icefish, Chionodraco hamatus (Lönnberg 1905)
Antarctic icefish, Chionodraco hamatus. Source: Marrabbio2 / Wikimedia Commons. License: Public Domain
Summary:
Occurs in Australia's antarctic/subantarctic waters.
Cite this page as:
Dianne J. Bray, Chionodraco hamatus in Fishes of Australia, accessed 28 Apr 2024, https://fishesofaustralia.net.au/home/species/5070
Antarctic Icefish, Chionodraco hamatus (Lönnberg 1905)
More Info
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Distribution |
Circum-Antarctic on the continental shelf and slope. |
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Feeding |
Carnivores - feed mostly on krill; also consume small fishes (nototheniids and myctophids). |
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Biology |
The sexes are separate and fertilisation is external. Prior to spawning, males develop temporary thickened areas or "knobs" on their anal fin rays. These structures. They use these knobs to prepare a nest on the bottom which they flatten and and maintain with "sweeping" movements of the anal fin. |
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Author |
Dianne J. Bray |
Antarctic Icefish, Chionodraco hamatus (Lönnberg 1905)
References
Ferrando S, Castellano L, Gallus L, Ghigliotti L, Masini MA, et al. (2014) A Demonstration of nesting in two Antarctic icefish (genus Chionodraco) using a fin dimorphism analysis and ex situ videos. PLoS ONE 9(3): e90512. doi:10.1371/journal.pone.0090512
Gerasimchook VV (1989) On the sexual dimorphism of white-blood fishes Chaenodraco wilsoni and Chionodraco hamatus (Channichthyidae: Perciformes). Zool Zhur 68: 142–146. (in Russian).
Iwami, T. & K.-H. Kock. 1990. Channichthyidae. p. 381-389. In Gon, O. & P.C. Heemstra (eds) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 pp.
Kock, K.-H. & Kellermann, A. 1991. Reproduction in Antarctic notothenioid fish. Antarc. Sci. 3(2): 125-150.
Loeb, V.J., A.K. Kellermann, P. Koubbi, A.W. North & M.G. White. 1993. Antarctic larval fish assemblages: a review. Bull. Mar. Sci. 53(2): 416-449.
Miller, R.G. 1993. A history and atlas of the fishes of the Antarctic Ocean. Foresta Institute, Nevada. 792 pp.
