Shellfish is a Legends of Idleon item: used in 2 recipes, quest reward. This gooey creature evolved from a common ancestor of the Dedotated Ram, hence the curled shell horns.

Shellfish | Idleon Toolbox

This gooey creature evolved from a common ancestor of the Dedotated Ram, hence the curled shell horns.

Shellfish

Deepwater_Trench_Ring

Marbiglass_Tunic

It's often misunderstood that this is part of the spore's head. But it's actually just a stylish hat. ... well, stylish in Mushroom Culture at least.

Spore_Cap

Gargantuan_Fish_Pouch

Bring Omar some of the legendary fish, turns out he couldn't actually catch any...