Comprehensive Description

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 The orange roughy Hoplostethus atlanticus is a member of the slimehead family. It has a deep and compressed body that may reach up to 75 cm in length. It has a large head with an oblique mouth and large eyes. Its dorsal fin is moderately long and has spines at the anterior end. Its tail is slender and forked with spines on each lobe. A median ridge of scutes is present on the abdomen. Alive, it is bright brick red in colour but fades to a yellowish orange after death.The 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).


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©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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