Gordian worm

Illustration of Gordius spp. (Horsehair Worm)

Illustration of worms

Illustration of segmented worm

Illustration of feather duster worm

Illustration of a polychaete with white bristles

Illustration of a nematode (round worm)

Illustration of Stylochus ellipticus (Flat Worm)

This nematode worm is a parasite, originally from Southeast Asia. With the American eel population already declining, the introduction of this nematode may have a large negative impact on the survival of this species