Brown mudfish

Brown mudfish
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Galaxiiformes
Family: Galaxiidae
Genus: Neochanna
Species:
N. apoda
Binomial name
Neochanna apoda
Günther, 1867
Approximate known distribution of the brown mudfish on a map of New Zealand

The brown mudfish (Neochanna apoda) is a galaxiid endemic to New Zealand. The species is found in wetlands in the southwest of the North Island and the northern half of the west coast of the South Island. It commonly grows to 100–130 mm (3.9–5.1 in) in length, and it can live to at least 7 years. They are named for their brown color.

The dorsal and anal fins of the brown mudfish are very long-based, extending close to the caudal fin, nearly joining it.

It inhabits shallow swamp-forest wetlands. If the water dries out over summer, it is able to aestivate in damp areas, such as under logs and in root holes, until the water returns.[2]

In 2014, the New Zealand Department of Conservation classified the brown mudfish as "At Risk: Declining" with qualifier "C(1/1) >100,000 mature individuals, predicted decline 10–70%",[3] and the IUCN rated them as "Endangered".[1]

Neochanna apoda on a drawing by Frank Edward Clarke, 1874

References

  1. ^ a b West, D.; Franklin, P.; David, B.; Allibone, R.; Crow, S.; Closs, G.; Hitchmough, R.; Surrey, G.; Cooper, D. (2014). "Neochanna apoda". IUCN Red List of Threatened Species. 2014 e.T14507A545955. doi:10.2305/IUCN.UK.2014-3.RLTS.T14507A545955.en. Retrieved 11 November 2021.
  2. ^ Silbery, Tom (2017). "Brown Mudfish". The Wairarapa Journal. 2: 33.
  3. ^ Goodman, J.M.; Dunn, N.R.; Ravenscroft, P.J.; Allibone, R.M.; Boubee, J.A.T.; David, B.O.; Griffiths, M.; Ling, N.; Hitchmough, R.A; Rolfe, J.R. (2014). "Conservation status of New Zealand freshwater fish, 2013". New Zealand Threat Classification Series 7.
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