News & Updates

Redefining Fish Passage Parameters

Two worthwhile documents shedding new light on fish passage

Great news! Tide/Flood Gates need no longer be a fish barrier – there is a solution

Queensland case study low-cost option for improving fish passage and water quality upstream of tide/flood gates

Awesome Free Culvert Baffle Design Calculator

New from FPAT: a free calculator for culvert baffle design with downloadable drawings.

Wetland habitat improvement

Following the restoration of fish passage into the Pongakawa Wetland (Bay of Plenty, NZ), the upstream habitat has been further enhanced by deploying Floating Nurseries that provide shade and refuge for aquatic and terrestrial species while also improving water quality.

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Eels Swimming Cross-Country

Hi everyone It is widely believed that eels can cross land between water bodies however little is understood as to how or why. This rare footage captured by Tim Olley shows a medium-sized NZ Longfin eel taking advantage of a flood event to migrate upstream across what...

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Pongakawa Wetland Reconnection

Hi all, Some of the Fish Passage Action Team were recently involved in a very satisfying restoration project. It is rare that we get the opportunity to completely remove culverts in an effort to restore fish passage so we wanted to share this with you. See what two...

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Favourite Video Revamped

Hi everyone,  During the lockdown, we have revamped one of our favourite videos that has been enjoyed by ecologists, engineers, and many others in helping to understand why migrating fish need complex flows.  The video highlights the importance of complex...

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CFD Modelling

Hi everyone Many of you will be aware that observing, measuring and understanding the complex flows in which fish move is very challenging. Below are a few interesting images that have been created by the Fish Passage Action Team using CFD modelling. There are many...

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Eel climbing 3 surfaces

Tim Olley has shared this video showing the same juvenile eel climbing up three different surfaces, including mussel-rope. https://www.youtube.com/watch?v=k_HCCrd32jA https://www.youtube.com/watch?v=k_HCCrd32jA

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