Why do angelfish seizure?

How do Japanese Seahorse eat? Why do guppys swim up and down? What is a good subtopic to teeth whitener? Why is seahorse a misnomer? Are betta fish endangered? Do stingrays have fins? Where do you get pet clownfish? What problem caused biologists to believe amphibians evolved from certain fish? How does a Siamese fighter fish normally act? Are stone fish herbivore or omnivore? What happens to human female ovarian eggs if they do not get released? What are animal adaptations in a pond? What fish can you put in the fish tank with the fancy guppies? Can clams survive in a fish tank? How much water in a tank? Where was the biggest large mouth bass caught? Would a common lionfish' sargassum fish' sea goblin scorpion' tassle filefish' and matted filefish be able to peacefully live together in a 125g tank? Does it mean anything when a koi fish is swimming up or down on a tattoo? What colors did the Inca tribe use? Are female sharks bigger then the males?