How long do hatcheries take care of Sockeye salmon?

What are the classifications of a Sand Flea? What to do about a smell like rotten eggs coming from the toilet? What are unique features of swordfish? Do sharks eat anchovies? Do koi eat tadpoles? What group of small islands forms the Alaskan tail? Are all fish the same? Where do you find a labeled picture of the Spiny Water Flea? Why salmon die after giving birth? A characteristic of farm-raised fish is they are? Where does water temperature affected marine life? How many people per year are killed by tiger sharks? Is a marine biologist and a fishery biologist the same? How did the Exxon Valdez effect the food web? I have to do a poject on sordfish and can't find any imfermashon can you help my? What would you keep a guppy in at home? How do you know if fish is rotten? Is a cod fish a decomposers or a consumer? If all the guppies and water snails were killed what would happen to the population of the archer fish? Is air dry clay which is already hard safe to put in a fish tank?