Overview

Comprehensive Description

Biology

Inhabits streams. Preys on invertebrates (Ref. 27776).
  • Eschmeyer, W.N. (ed.) 1998 Catalog of fishes. Special Publication, California Academy of Sciences, San Francisco. 3 vols. 2905 p. (Ref. 26282)
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Distribution

Oceania: New Zealand.
  • Eschmeyer, W.N. (ed.) 1998 Catalog of fishes. Special Publication, California Academy of Sciences, San Francisco. 3 vols. 2905 p. (Ref. 26282)
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New Zealand.
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Physical Description

Size

Max. size

8.2 cm FL (male/unsexed; (Ref. 30689))
  • Allibone, R.M. and C.R. Townsend 1998 Comparative dietary analysis of a recently described fish species complex (Galaxiidae) in a New Zealand river. N.Z. J. Mar. Freshwat. Res. 32(3):351-361. (Ref. 30689)
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Associations

Known prey organisms

Galaxias depressiceps preys on:
Terrestrial invertebrates
Costachorema xanthoptera
Deleatidium
Helicopsyche albescens
Hydrobiosis type Black Pronotum
Hydrobiosis type checkers
Nesameletus ornatus
Olinga feredayi
Polyplectropus puerilis
Psilachorema bidens
Pycnocentria
Pycnocentrodes
Stenoperla prasinia
Aphrophila
Austrosimulium australense
Diamesid Blond
Diamesid Brown Orange
Eukiefferiella Shiny Black
Orthoclad Blue Black
Orthoclad Blue Blond
Chironomid type Slant-eye
Tanytarsini
Coloburiscus humeralis
Hudsonema amabilis
Hydrobiosis parumbripennis
Scirtidae
Stenoperla cyrene
Zelandoperla
Aoteapsyche
Aphrophila noevaezelandiae
Naonella
Pirara
Cricotopus II
Hydora nitida

Based on studies in:
New Zealand: Otago, Dempster's Stream, Taieri River, 3 O'Clock catchment (River)

This list may not be complete but is based on published studies.
  • Thompson, RM and Townsend, CR. 1999. The effect of seasonal variation on the community structure and food-web attributes of two streams: implications for food-web science. Oikos 87: 75-88.
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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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Wikipedia

Flathead galaxias (New Zealand)

The flathead galaxias, Galaxias depressiceps, is a galaxiid of the genus Galaxias, found primarily in the Taieri River catchment in Otago, New Zealand. This species should not be confused with the Australian fish with the same common name: Galaxias rostratus.

References

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