Which has stinging cells a jellyfish an elactric eel or a water snake?
Can jellyfish lose their stinging cells? ). The cell (with or without the stinging sac) is then absorbed by the jellyfish. New stinging cells
Eels
Do eels have good eyesight?
How do you get good eyesight? Either one is born as such, wears contacts or glasses, or undergoes surgery of some sort.