What are the brances of fishery?

What are the importance of fish and fish products? Do dolphins and sharks have limbs? How many pounds are minnows? What are the scientific names for cleaner fish? Why do fishes stay near to the surface of the water? What does a great white sharks eggs look like? What is the problem in the book i survived the shark attacks of 1916? Do eels sleep fatca? Why fertilize rice paddies? What is a sandbar connected to a curving shoreline? What are words that mean marine? What are the common species of fish in the Philippines? Is a Bumble bee catfish ok for an ornamental pond? Can a yellow bellied slider live in tap water? What is another word for tilapia fish? Why crabs don't have heads? How many teeth does a shark loose a day? Who created the glittering gold seahorse? What is a pufferfish life cycle? What does an ogre fish eat?