A European shad (fish) with a deep blue back and silvery sides.Also called king of the herrings
Alosa alosa, family Clupeidae‘The three species of endangered fishes are allis shad, Killarney shad and pollan.’
- ‘In the early 19th century, allis shad made up a third of fish catches in the Severn (Britain's longest river).’
- ‘The current status of allis shad in Northern Ireland is unknown and requires urgent investigation.’
- ‘If allis shad were presently spawning in the area then they would likely be similarly vulnerable.’
- ‘Other migratory fish are the twaite and very rare allis shads which migrate up the river to spawn in the spring.’
Late 16th century allis from Old French alose, from late Latin alausa.
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