The estuarine triplefin or cockabully (''Forsterygion nigripenne'') is a species of

triplefin Threefin or triplefin blennies are blenny, blenniiforms, small Percomorpha, percomorph marine fish of the family Tripterygiidae. Found in tropical and temperate waters of the Atlantic Ocean, Atlantic, Pacific Ocean, Pacific and Indian Oceans, the ...

blenny in the genus ''

Forsterygion ''Forsterygion'' is a genus of Threefin blenny, triplefins in the family (biology), family Tripterygiidae native to coastal New Zealand, but also Introduced species, introduced to Tasmania, Australia. Species The following species are classified ...

''. It was described by

Achille Valenciennes Achille Valenciennes (9 August 1794 – 13 April 1865) was a French zoology, zoologist. Valenciennes was born in Paris, and studied under Georges Cuvier. His study of parasitic worms in humans made an important contribution to the study of parasi ...

in 1836. It is found in the Southwest Pacific, throughout New Zealand.

References

Estuarine triplefin The estuarine triplefin or cockabully (''Forsterygion nigripenne'') is a species of triplefin blenny in the genus ''Forsterygion''. It was described by Achille Valenciennes Achille Valenciennes (9 August 1794 – 13 April 1865) was a French zo ...

Fish described in 1836 Freshwater fish of New Zealand {{Blenniiformes-stub