How long are basking sharks pregnant?

How big does a salmon have to be to keep in Sacarmento River? Do seahorses play? Which is the largest of all fishes whale sharks or beluga whale? Why do some girls that are fat smell like fish? Why is a tomato a dolphin? Can 4 week old betta fry live in a mason jar? Do mermaids really have a tail? Why are silky sharks endangered? Can fish bones go in the compost bin? What do seahorses eat and what eats them? Orange fungus on guppy tail? Do they eat the bulls after bullfights? How many types of seahorses are there? How do you tell if you have a fat neon tetra? Is a 12 month human gestation period possible? How do nurse sharks see humans? Did the Inca have floating gardens? What is spawning? Should you be worried if your Betta fish looks like its scales and fins have been attacked even when it is alone? What A fish that starts with b?