What is subducation?

What is the name of the Dwarf sockeye salmon characterised by living in landlocked waters? What fish can live together? Does temperature affect clown-fish growth? Does a pelican eat algae? How much can a great white eat? How long to fill an 80 gallon water tank? Is a seahorse an amphibian? Do sea monkeys change colour? Is an angelfish a mammal or amphibian or reptile? How far up stream does salt water go up the Mississippi river? Can sharks turn around fast or do they have to make a wide you turn? Why do high heels have a smaller surface area? What is the coldest place in the aquarium auditorium? Can mosquito fish eat fish food? Is goldfish scared of human? How much food does a basking shark eat in a hour? What does it mean when a guppy swims with its head up and tail down? How can you tell the difference between a male and female goldfish before breeding season? What is the crown on an angelfish? How is the trout suitable for moving in water?