Fish passes give endangered twaite shad chance to swim up River

Return of one of one of Britain’s rarest fish confirmed after DNA found in water samples above fish passes

UK's rarest fish' to grace the waters of the River Severn once more - Gloucestershire Live

Unlocking the Severn for shad - Unlocking the SevernUnlocking the Severn

Fish Passage

Saving American shad – The Founding Fish

Industrial fishing ushers the albatross closer to extinction, say

Endangered Fish - Glen Canyon National Recreation Area (U.S. National Park Service)

The reef fish people find ugly more likely to be endangered, study

PDF) Ecology of the Allis and Twaite Shad, Alosa alosa and Alosa fallax

Animals, Page 88 of 1091, World

Animals, Page 88 of 1091, World

Unlocking the Severn for shad - Unlocking the SevernUnlocking the Severn

Animals, Page 88 of 1091, World