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Optivus elongatus (Günther, 1859) Slender roughy |
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photo by
Randall, J.E. |
| Family: | Trachichthyidae (Slimeheads) | |||
| Max. size: | 11.3 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 0 - 70 m | |||
| Distribution: | Southwestern Pacific: Restricted to New Zealand. | |||
| Diagnosis: | ||||
| Biology: | Nocturnally active; inhabits cracks and crevices during the day. Feeds on small mobile benthic organisms (Ref. 26966), by drifting up to its prey and swallowing it whole with a sideways snap of the large extensible mouth (Ref. 26966). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 26 December 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||