Yes, if they didn't they couldn't breath. Almost all aquatic based animals have gills.
Yes, octopuses have gills that allow them to breathe underwater.
no only fish have gills or underwater things
The fishes have gills for breathing
they have gills.
Gills allow animals to breath underwater.
Fish use gills to breathe underwater.
Octopuses have gills, not lungs. They use their gills to extract oxygen from water, allowing them to breathe underwater.
Um, with gills. . . ??
they have gills
gills
they allow them to breath underwater
Fish breathe underwater using their gills. As water passes over their gills, oxygen is absorbed from the water and carbon dioxide is released. This process allows fish to extract oxygen from the water and breathe efficiently.