Paddlefish
Polyodontidae
Vulnerable to critically endangered
1.5m
Average weight is 27kg
North America and China
The paddlefish's bill or rostrum can detect weak electical fields, helping them find zooplankton to eat.
Over-harvesting and river modifications have had negative impacts on both species of paddlefish, causing significant drops in population numbers.
The Chinese paddlefish (Psephurus gladius) is now listed as critically endangered by IUCN, whilst the American paddlefish (Polyodon spathula) is listed as vulnerable.Threats
Both American paddlefish and Chinese paddlefish have been affected by overharvesting. As with sturgeon, the eggs are collected and made into the luxury foodstuff caviar.