Source
This item can be looted from some level 13-36 Spiders. According to
[20] Dusky Crab Cakesω τ ϖ, Chef Grual secretly puts these in his Dusky Crab Cakes.
Gooey Spider Leg as a quest objective
This item is an objective of 

[20] Dusky Crab Cakesω τ ϖ.
Gooey Spider Leg as an ingredient
This item is used to make:
External links