Orange roughy (Hoplostethus atlanticus)
|Researched by||Morvan Barnes||Refereed by||Admin|
|Other common names||-||Synonyms||-|
Recorded distribution in Britain and IrelandFound deep off the coasts of north-west Scotland, western and southern Ireland.
HabitatThe orange roughy is a bathypelagic species, inhabiting deep, cold waters over steep continental slopes from 150 m to over 1800 m depth.
- Up to 75 cm.
- Brick red to orange in colour.
- Very deep and compressed body.
- Large deep head with an oblique mouth.
- Four to six spines at the anterior end of the dorsal fin.
- Four to seven spines on each lobe of the forked tail.
- Scutes along the abdomen.
- Mouth and gill cavity are bluish black.
Additional informationThe orange roughy is a slow-growing species that is late to mature, resulting in a very low resilience. It is notable for its great age reaching up to 149 years of age and its importance to commercial deep trawl fishery (Whitehead et al., 1986).
Froese, R. & Pauly, D., 2007. Fishbase. A global information system on fishes. [On-line] http://www.fishbase.org, 2008-02-18
Howson, C.M. & Picton, B.E., 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]
Lorance, P., Uiblein, F. & Latrouite, D., 2002. Habitat, behaviour and colour patterns of orange roughy Hoplostethus atlanticus (Pisces: Trachichthyidae) in the Bay of Biscay. Journal of the Marine Biological Association of the United Kingdom, 82, 321-331
Whitehead, P.J.P., Bauchot, M.-L., Hureau, J.-C., Nielson, J. & Tortonese, E. 1986. Fishes of the North-eastern Atlantic and the Mediterranean. Vol. I, II & III. Paris: United Nations Educational, Scientific and Cultural Organisation (UNESCO).
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Last Updated: 22/05/2008