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In search of the giant kokopu
The giant kokopu ( Galaxias argenteus ) is one of five native galaxiid ... can grow to such significant proportions, with adult giant kokopu of over 450 mm reported. As part of a recent school ... ) have produced a documentary about the elusive giant kokopu. They were inspired to make the film when they saw ...
https://niwa.co.nz/in-search-of-the-giant-kokopu
NIWA Fish Tagging - Giant Kokopu
... them to our waterways. NIWA Fish Tagging - Giant Kokopu ...
https://niwa.co.nz/videos/niwa-fish-tagging-giant-kokopu
Banded Kokopu: sniffing out a good home
PDF of this article (217 KB) Juvenile banded kokopu. By this age the fish will have found their way to ... for whitebait looking for suitable habitat. The banded kokopu (Galaxias fasciatus) is one of the five species ... nationwide whitebait fishery. Like inanga, the banded kokopu is diadromous, migrating between fresh and salt water ...
https://niwa.co.nz/publications/water-and-atmosphere/vol13-no3-september-2005/banded-kokopu-sniffing-out-a-good-home
Observations on the spawning habitat of giant kokopu
... observations. However spawning habitats of the giant kokopu ( G. argenteus ) have been recently discovered . In common with the other kokopu species (banded kokopu ( G. fasciatus ) and shortjaw kokopu ( G. postvectis ...
https://niwa.co.nz/freshwater/freshwater-update/freshwater-update-64-february-2015/observations-on-the-spawning-habitat-of-giant-kokopu
Indirect methods for assessing fish occurrence
... maps for the most sensitive species (i.e. banded kokopu, smelt, inanga, trout) are available on the right hand side. Banded kokopu adults occur primarily in low-gradient, first-order ... New Zealand 1:50,000 topographical map. In general, banded kokopu inhabit small streams (less than 2 m wide), and tend ...
https://niwa.co.nz/our-science/freshwater/tools/turbidity/indirect-methods
Shortjaw kōkopu
... Baker C. F., Smith, J. P. 2007. Habitat use by banded kokopu ( Galaxias fasciatus ) and giant kokopu ( G. argenteus ) co-occurring in streams draining the ... on the avoidance of suspended sediment by migratory banded kokopu juveniles. Journal of Fish Biology 62: 386-394. Baker, ...
https://niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/species/shortjawed-kokopu
Giant kōkopu
... Baker C. F., Smith, J. P. 2007. Habitat use by banded kokopu ( Galaxias fasciatus ) and giant kokopu ( G. argenteus ) co-occurring in streams draining the ... on the avoidance of suspended sediment by migratory banded kokopu juveniles. Journal of Fish Biology 62: 386-394. Baker, ...
https://niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/species/giant-kokopu
Kōaro
... Baker C. F., Smith, J. P. 2007. Habitat use by banded kokopu ( Galaxias fasciatus ) and giant kokopu ( G. argenteus ) co-occurring in streams draining the ... on the avoidance of suspended sediment by migratory banded kokopu juveniles. Journal of Fish Biology 62: 386-394. Baker, ...
https://niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/species/koaro
Banded kōkopu
... Baker C. F., Smith, J. P. 2007. Habitat use by banded kokopu ( Galaxias fasciatus ) and giant kokopu ( G. argenteus ) co-occurring in streams draining the ... on the avoidance of suspended sediment by migratory banded kokopu juveniles. Journal of Fish Biology 62: 386-394. Baker, ...
https://niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/species/banded-kokopu
Wood in streams: how much is good for fish?
... especially for one of our whitebait species: the banded kokopu. Why fish need wood in streams Wood cover helps some ... from predators may not be so important for the banded kokopu. This small native fish lives mainly in the pools of ... east coast streams prone to flash floods, we found banded kokopu only in pools where there was some form of cover ...
https://niwa.co.nz/publications/water-and-atmosphere/vol12-no1-march-2004/wood-in-streams-how-much-is-good-for-fish
What are whitebait?
... galaxias maculatus ) koaro ( galaxias brevipinnis ) banded kokopu ( galaxias fasciatus ) giant kokopu ( galaxias argenteus ) shortjaw kōkopu ( galaxias ... The most common species is the inanga, but both the banded kokopu and koaro make up significant proportions of the ...
https://niwa.co.nz/coasts-and-estuaries/faq/what-are-whitebait
Scientists' crucial discovery in Hamilton Park
... restore the declining population of a Kiwi icon. The giant kokopu is the largest of the five native New Zealand ... to find out more about the spawning habits of the giant kokopu for just over a year. They fitted electronic tags to 43 adult giant kokopu in the Bankwood Stream in Hamilton's Donny Park and ...
https://niwa.co.nz/news/scientists-crucial-discovery-in-hamilton-park
In brief: Whitebait breeding sites found
... to be the first spawning ground ever found of the giant kokopu whitebait. A suburban Hamilton stream has turned out ... to be the first spawning ground ever found of the giant kokopu whitebait. NIWA's 10-year research into the species ... River. The team fitted electronic tags to 43 adult giant kokopu and placed antennae at the lower end of the stream to ...
https://niwa.co.nz/publications/water-and-atmosphere/water-atmosphere-8-september-2013/in-brief-whitebait-breeding-sites-found
Restoring riparian and instream cover
... varying forms of cover, e.g. tree canopies for banded kokopu, giant kokopu and koaro, and low-growing toi toi, flax or grass ... roots often provide good cover for fish such as giant kokopu, giant bully and longfin eels. It is recommended that ...
https://niwa.co.nz/our-science/freshwater/tools/guide-to-restoring-freshwater-native-fish/tools/restoring-riparian-and-instream-cover
DSS for setting turbidity limits at base flows
... setting turbidity limits at base flows Instructions Banded kokopu migrants were the most sensitive fish species tested ... when migrants are not present), and in waters where banded kokopu do not occur, rainbow trout are likely to be the most ... map easting and northing). Determine whether banded kokopu, rainbow trout and/or inanga are present at, or above ...
https://niwa.co.nz/our-science/freshwater/tools/turbidity/base
Further reading
... Baker C. F., Smith, J. P. 2007. Habitat use by banded kokopu ( Galaxias fasciatus ) and giant kokopu ( G. argenteus ) co-occurring in streams draining the ... on the avoidance of suspended sediment by migratory banded kokopu juveniles. Journal of Fish Biology 62: 386-394. Baker, ...
https://niwa.co.nz/our-science/freshwater/tools/kaitiaki_tools/species/references
Early findings from kōkopu restoration trials
... streams. Contact: Dr Cindy Baker More about the giant kokopu restoration project Early findings from kōkopu ...
https://niwa.co.nz/freshwater/freshwater-update/freshwater-update-33-may-2010/early-findings-from-kōkopu-restoration-trials
Flow requirements for galaxiid fish spawning
... in the largest of our galaxiid fish species, the giant kokopu ( Galaxias argenteus ) (Figure 1), in a stream located ... We successfully discovered the spawning sites of giant kokopu for the first time in autumn 2013, with further nest ... and some of the other main galaxiid species, e.g. banded kokopu ( Galaxias fasciatus ), in order to try and understand ...
https://niwa.co.nz/freshwater/research-projects/flow-requirements-for-galaxiid-fish-spawning
Galaxiidae
... species rarely exceed 150 mm in length. However, the giant kokopu can grow to over 400 mm in length and 1 kg in weight. ... (the whitebait species) Galaxias argenteus ( giant kokopu ) Galaxias brevipinnis ( koaro ) Galaxias fasciatus ( banded kokopu ) Galaxias maculatus ( inanga ) Galaxias postvectis ( ...
https://niwa.co.nz/freshwater/nzffd/NIWA-fish-atlas/fish-species/galaxiidae
Restoring physical stream habitat
... of different habitats. For example, inanga and banded kokopu live mainly in pools, redfin bullies live in runs and ... Flood tolerance (days of rain >25 mm per month) Giant kokopu Pool 50 5 25 2 High (3.3) Banded kokopu Pool 20 5 50 11 Low (0.8) Shortjaw kokopu Pool - - - ...
https://niwa.co.nz/our-science/freshwater/tools/guide-to-restoring-freshwater-native-fish/tools/restoring-physical-habitat
CKS2020 - Communicating state and trends
... Kākahi/Kāeo (Freshwater mussel) (PDF 246.67 KB) Giant kokopu (Whitebait) (PDF 242.78 KB) Koura/Kēwai (Freshwater ...
https://niwa.co.nz/node/113768
PIT tagger
... including eels (tuna), lamprey (piharau/kanakana), banded kokopu and giant kokopu. Further reading: Baker, C.F., Reeve, K. Baars, D.K., ...
https://niwa.co.nz/freshwater/other-research-instruments/pit-tagger
Location, location, location!
... found with pool-dwelling bush species such as adult banded kokopu. Thus, we would expect a torrentfish community to ... inhabit quite different types of waterways from a banded kokopu community. But why bother with fish communities? Water ... was important for some fish species. For example, banded kokopu were typically found in small streams (average width ...
https://niwa.co.nz/publications/water-and-atmosphere/vol11-no2-june-2003/location-location-location
Improving water quality
... (16.1) Alkaline (8.4) Low (0.6) Low (0.6) Moderate Banded kokopu Low (17.3) Acidic (6.3) Moderate (6.7) Low (0.6) Low Giant kokopu Acidic* Shortjaw kokopu Alkaline (8.3) Torrentfish Moderate (21.8) Alkaline* ...
https://niwa.co.nz/our-science/freshwater/tools/guide-to-restoring-freshwater-native-fish/tools/improving-water-quality
Does stream restoration work?
... per 150 m of stream). Although the abundance of banded kokopu in Stream A decreased a little over the whole stream, more banded kokopu were found in the restored reaches than previously, ... bully disappeared. In Stream B, the abundance of banded kokopu and redfin bully increased at least 50%, eel abundance ...
https://niwa.co.nz/publications/water-and-atmosphere/vol11-no4-december-2003/does-stream-restoration-work