Long-finned sand diver

The long-finned sand diver (Limnichthys polyactis) or tommyfish, is a species of sandburrower endemic to the coastal waters around the North Island of New Zealand to depths of about 6 metres (20 ft), on sandy or gravelly bottoms. It can reach a length of 7.2 centimetres (2.8 in) TL.^[1][2]

Long-finned sand diver
Limnichthys polyactis in sand at Whangamatā, New Zealand
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acropomatiformes
Family:	Creediidae
Genus:	Limnichthys
Species:	L. polyactis
Binomial name
Limnichthys polyactis J. S. Nelson, 1978