Overview

Comprehensive Description

Biology

Spawning occurs from September to December (Ref. 33843).
  • McDowall, R.M. 1990 Freshwater fishes and fisheries of New Zealand -The angler's el dorado. Aquat. Sci. 2(2):281-341. (Ref. 11115)
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Distribution

Oceania: endemic to New Zealand.
  • McDowall, R.M. 1990 Freshwater fishes and fisheries of New Zealand -The angler's el dorado. Aquat. Sci. 2(2):281-341. (Ref. 11115)
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New Zealand.
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Physical Description

Morphology

Dorsal soft rays (total): 7 - 8; Analsoft rays: 8 - 10; Vertebrae: 47 - 55
  • McDowall, R.M. and J.M. Waters 2003 A new species of Galaxias (Teleostei: Galaxiidae) from the Mackenzie Basin, New Zealand. J. Royal Soc. N. Z. 33(3):675-691. (Ref. 75601)
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Size

Max. size

6.8 cm FL (male/unsexed; (Ref. 13730))
  • McDowall, R.M. 1990 New Zealand freshwater fishes: a natural history and guide. Hinemann Reed Auckland. 553 p. (Ref. 13730)
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Ecology

Habitat

Environment

benthopelagic; non-migratory; freshwater
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
  • Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott 1991 World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
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Wikipedia

Galaxias divergens

The dwarf galaxias, Galaxias divergens, is a galaxiid of the genus Galaxias, found only in the lower North Island and upper South Island of New Zealand. It grows to a length of up to 9 cm.

The single dorsal and anal fins are about two thirds of the way along the body. Like all galaxiids it lacks scales and has a thick, leathery skin covered with mucus.

The dwarf galaxias has six pelvic fin rays, which distinguishes it from most other galaxiids which have only five.

Spawning occurs from March to May and also from October to November. They live on a variety of aquatic insects, especially mayflies and midges. They are non-diadromous and therefore do not have a marine phase and are not part of the whitebait catch.

References

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