Eustrongylides are a group of nematodes that infect sticklebacks, salmonids and many other fish species in Oregon. The worms are bright red, and can be up to about an inch long.
Eustrongylides are a group of nematodes that infect sticklebacks, salmonids and many other fish species in Oregon. The worms are bright red, and can be up to about an inch long.