all fish have gills
no a hag fish is not a bony fish
hag fish is invertibrate having skull but no vertebral column
hag fish is a true fish
Fish Use Gills Instead of lungs. Gills Help fish to Breath. Fish Use Gills Instead of lungs. Gills Help fish to Breath.
teenager fish
yes all fish have gills.
what do you think. every animal on earth, including hag fish must be able to reproduce. all hag fish have both sexual organs which probably means that they reproduce asexually meaning by themselves and another hag fish is not necessary. we still know very little on hag fish reproduction but to answer your question, yes they do have offspring.
gills.
All fish have gills. Their gills are like lungs. And if they didn't have gills they would die.
gills
gills
Sea otters do not have gills because they are mammals.