New Zealand smelt

New Zealand smelt
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osmeriformes
Family: Retropinnidae
Genus: Retropinna
Species:
R. retropinna
Binomial name
Retropinna retropinna
Approximate known distribution (in orange) of the New Zealand smelt on a map of New Zealand

The New Zealand smelt (Retropinna retropinna), also known as the New Zealand common smelt, New Zealand cucumber fish, or silveries is a smelt of the family Retropinnidae, found only in New Zealand at shallow depths in estuaries and rivers. Their length is between 8 and 13 cm.