Redfin bully

Redfin bully
Male redfin bully
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Eleotridae
Genus: Gobiomorphus
Species:
G. huttoni
Binomial name
Gobiomorphus huttoni
(J. D. Ogilby, 1894)
Approximate known distribution (in orange) of the redfin bully on a map of New Zealand
Synonyms
  • Eleotris huttoni J. D. Ogilby, 1894

The redfin bully (Gobiomorphus huttoni) is a species of freshwater fish in the family Eleotridae endemic to New Zealand. Being amphidromous, it spends part of its life cycle at sea. Males have distinctive bright red patterns and stripes on their fins. Adults grow to an average of 80–100 mm (3.1–3.9 in) total length, with a maximum of 120 mm (4.7 in).