arapaima fish

Can my fish get brain damage? A new study shows that plastic particles in water may end up inside fish brains. The plastic can cause brain damage, which is the likely cause of behavioral disorders observed in the fish. Can you give a fish a concussion? To give the fish concussions, scientists put the zebrafish…

Do fish feel pain? Not in the eyes of U.S. regulators. Unlike land animals, there’s no federal requirement that they be knocked unconscious before they’re killed for food. How do you revive a unconscious fish? Place Your Fish in Suitable Water Take your fish in your hands and place it in cool water from the…

Fish like angelfish, neon tetras, discus, and common algae-eating catfish come from the tropical forests of South America, while danios, gouramis, Siamese fighting fish (or Betta), and the clown loach are from Asia. Tropical freshwater fish are a major source of protein for many rainforest communities. What is the biggest fish in the jungle? They…

Like most animals, all fish have skin. Many fish have an outer covering of scales. Scales protect fish, much like a suit of armor. All fish have a slimy covering of mucus. Do fish scales overlap? Unlike reptiles, the scales of bony fish are made of enamel and dentine (like teeth) and they can be…