The 'Nuisance Prey', part of the Evolvore project, these eel-like creatures inhabit an alien mangrove swamp environment, and are a food source. However, they're a right pain to eat.
The Thorny Lugg.
Inamoviblis Spinanguisuga (Irremovable Thorn-leech).

Thorny Lugg Lifecycle (Lugg Life).
