Creature whose mating habitats are a scientific mystery (3)
I believe the answer is:
eel
(Other definitions for eel that I've seen before include "Ribbon-like fish" , "Large elver" , "Elongated fish" , "slipper" , "Long smooth fish" .)
I believe the answer is:
eel
(Other definitions for eel that I've seen before include "Ribbon-like fish" , "Large elver" , "Elongated fish" , "slipper" , "Long smooth fish" .)