How many months for a pit-bull to give birth?

How do cormorants see in dirty water? Arowana tail grows back if broken? What if your fan clutch has a little play in it what could be wrong? What do sharks lack that make them different from other fish? Can you keep a certain type of frog in with Bettas? How fast can a renegade 1000 go? When are Betta fish ready to breed? Why does your betta eyes puff up? Are desmids freshwater marine or both? Does a flamingo give birth or lay eggs? Will there be a shark tale 2? Can you buy the movie stormbreaker in America? Is there a movie called fish sharks? My goldfish has a long string coming out from behind him is he ok? Do seahorses play? How similar are puffer fish and stingrays? Do fish have back bone? Do Oscars live in salt water or fresh water? Why are your molly fish staying at the bottom of the tank? Can you put a female and male Betta fish in the same tank or bowl or will they fight to death?