Can catfish dig holes in the bank?

Why is my male betta burrowing in the rocks? How does the perch reproduce? Is a goldfish an exoskeleton? Where does a dogfish migrate too? Do swordfish live in fresh or saltwater? Why did ponds toothpaste fail? Do trout have hair? How do young queen angelfish help other fish? How does a fish ladder protect the environment? What sea animal eat sharks? What are the components of aquarium? What kind of courtship do fish display? What fish are not scavengers? Why do herons stand still in the water to catch fish? What is the fish of the gcc? The main physiological difference between rays and skates is? Is daphnia a primary consumer? What are two large user groups of your freshwater supplies? What is the fastest way to get bone dust in aqworlds? Where do mermaids live and look like and what does it do?