The pelvic fins have been thought to let the fish "walk" on the bottom, but are really used to stir up food.
But are really used to stir up food. The pelvic fins have been thought to let the fish "walk" on the bottom.
The pelvic fins have been thought to let the fish "walk" on the bottom. But are really used to stir up food.
The pelvic fins have been thought to let the fish "walk" on the bottom. But are really used to stir up food.