Opalfish

Opalfish
	An opalfish observed in the Wellington Harbour
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Trachiniformes
Family:	Percophidae
Genus:	Hemerocoetes
Species:	H. monopterygius
Binomial name
	Hemerocoetes monopterygius; Schneider, 1801

The opalfish, Hemerocoetes monopterygius, is a duckbill of the genus Hemerocoetes, found only around New Zealand, at depths of between 5 and 200 metres (16 and 656 ft). Their length is between 10 and 25 centimetres (3.9 and 9.8 in).

Gallery[edit]

Drawing by Dr Tony Ayling
An opalfish surrounded by shells

References[edit]

^ Nelson, J.; Matsuura, K.; Collette, B.; et al. (2017) [errata version of 2010 assessment]. "Hemerocoetes monopterygius". IUCN Red List of Threatened Species. 2010: e.T154636A115215793. doi:10.2305/IUCN.UK.2010-4.RLTS.T154636A4594312.en.

"Hemerocoetes monopterygius". Integrated Taxonomic Information System. Retrieved 18 April 2006.
Froese, Rainer; Pauly, Daniel (eds.) (2006). "Hemerocoetes monopterygius" in FishBase. January 2006 version.
Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8
Wade Doak, A Photographic Guide to Sea Fishes of New Zealand, (New Holland Publishers (NZ) Ltd, Auckland, New Zealand 2003) ISBN 1-877246-95-6

[IUCN-1] Nelson, J.; Matsuura, K.; Collette, B.; et al. (2017) [errata version of 2010 assessment]. "Hemerocoetes monopterygius". IUCN Red List of Threatened Species. 2010: e.T154636A115215793. doi:10.2305/IUCN.UK.2010-4.RLTS.T154636A4594312.en.

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