A shark.
Then Its Hungry.
If you were to remove the water the fish is in, then the fish would suffocate.
Take from the water with a net.
Bigeye tunas are excellent swimmers, with a number of remarkable adaptations which make them efficient predators of the ocean. Unlike many other fish, they cannot pump water over their gills, but instead, swim with their mouth open which forces water over their gills. While this is an efficient way of getting water over their gills, it means that if they stop swimming, they will suffocate.
No, but they could suffocate fish with their slime.
if it is not swimming it is dead!
Yes, fish can be seen swimming in the ocean.
it stops swimming
a fishy
A fish AERATOR is a device used to add oxygen into a fish tank so that the fish do not suffocate as they consume the increasingly depleted oxygen supply
Two fish. One fish swimming going up an another swimming down.
A fish that is swimming vertical is usually ill or stressed and could die if not treated