grub-like

Salmincola
Numerous Salmincola copepods on gills of rainbow trout
Salmincola
Salmincola adults on gills of salmon.
Clinostomum (Yellow...
Yellow grub at base of dorsal fin of smallmouth bass.
Schistocephalus soli...
Several adult threespine sticklebacks with the Schistocephalus flukes that have been dissected out of them.
Clinostomum (Yellow...
Yellow grub in flesh of bluegill.