News & Updates
Eels Fail At Weir
Watch Tim's latest video showing young eels trying to climb a concrete weir only to be swept off by pulses of water, making an already difficult climb impossible. Sometimes the variations in flowing water can be beneficial or disadvantageous to migrating fish, and in...
Jordi’s Before And After
Hi everyone Below is a brief report following remediation of two culverts at Raumanga, Northland, NZ. An 'after remediation' fish survey was undertaken on the Raumanga fish passage remediation project in mid-December 2020, and to keep in line with the 2019 survey, we...
Redfin
Hi all Tim has been monitoring busy monitoring structures over the Christmas break and has shared this rare footage of redfin bullies attempting to climb over a large concrete weir (over 11m high!). Note how the eels and and redfin...
Kakahotoa Waterfall
Hi everyoneSome of you may have already seen our post on the "Eel Town" Facebook page but it is worth sharing again. eDNA has revealed NZ Longfin eels above this 50M water and has prompted quiet a bit of discussion. Unless transported by humans (unlikely in this...
Glenhope Culvert
Photos showing a nice build-up of bed-material in a newly installed culvert fitted with flexible baffles. School fundraising projects have numerous benefits to the school and the students involved in the process , to get more info you can visit this website. FYI site...
Fish In Culvert
Firstly it is great that we now have 500+ members of the Fish Passage email forum. In this short video Tim has captured how fish really struggle to swim up through culverts with smooth laminar flow. The adult Inanga (one of the galaxiid whitebait family) attempts to...