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Freshwater databases online
More information about our online freshwater databases. -
Mahinga kai and migration
A high proportion of New Zealand’s native freshwater fish fauna need to migrate to and from the sea. -
Banded kōkopu
Banded kōkopu juveniles are very good climbers and will try to escape from buckets by clinging to and wriggling up the sides. -
Shortjaw kōkopu
Has a receding lower jaw and black spots behind the head. -
Stream Health Monitoring and Assessment Kit
ServiceHow healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out. -
NZ Freshwater Fish Database Help
Learn how to use the New Zealand Freshwater Fish Database (NZFFD) -
The impact of El Niño and La Niña on New Zealand's climate
El Niño accounts for less than 25 percent of the year-to year variance in seasonal rainfall and temperature at most locations in New Zealand, however its effects can be significant. -
Modified habitat
A habitat is an environment or place where animals normally live. -
Algae ID guides
A collection of ID guides to algae. Groups include major freshwater algal groups, diatoms and blue-green (cyanobacteria), red and green algae. -
Smelt
Smelt have a distinctly forked tail and a strong cucumber smell. -
Causes of sedimentation
What are the potential sources of sediments from land use activities? -
Biological limitations
Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.