by admin | Mar 23, 2020 | Climbing Fish & Eels
This is an important positive message about fish passage. We are seeing an increase in the use of the term “natural barrier”, particularly when prioritizing remediation of man-made structures/barriers. As it happens, many species of fish have evolved to...
by admin | Mar 4, 2020 | Climbing Fish & Eels
This is a short video by Tim Olley showing larger bodied koaro (Galaxias brevipinnis) “climbing” up a natural feature. Larger bodied fish tend to use a burst swimming action unlike the juveniles that typically...
by admin | Mar 2, 2020 | Climbing Fish & Eels
This rare footage shows both small and larger eels trying to navigate a natural feature. You will see that larger bodied specimens are unable to utilise the wet margins or splash zones. Remediation techniques should offer a range of options to give migrating fish...
by admin | Feb 13, 2020 | Climbing Fish & Eels
When designing new structures or considering remediation for existing ones, it is important to consider the swimming ability of the fish likely to pass through or over the structure. This short video shows that small or juvenile fish...
by admin | Nov 5, 2019 | Climbing Fish & Eels
Hi all Below is a short video that Tim has put together showing juvenile whitebait (galaxiid) climbing up into a perched culvert. We are often able to imitate the conditions that allow fish to do this by fitting rubber ramps and/or mussel-rope, however little is known...
