Long-finned sand diver

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Long-finned sand diver
Not evaluated (IUCN 3.1)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Creediidae
Genus: Limnichthys
Species: L. polyactis
Binomial name
Limnichthys polyactis
J. S. Nelson, 1978

The long-finned sand diver or tommyfish, Limnichthys polyactis, 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]


  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Limnichthys polyactis" in FishBase. April 2013 version.
  2. ^ 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