Aquarium fish is one of the extremely rich species of colors, types and shapes.
Helicopter fish with scientific name is Rineloricaria fallax. This is a fish that acts like a glassfish with a special shape like an airplane, with 2 sides like giant wings.
The vast majority of us think that fish can only lay eggs, but there are also fish that can give birth, in which guppies are an example.
The 50-second video posted on YouTube shows a wide-mouthed cat fish devouring another fish as close as it is in a glass tank in Indonesia.
According to Daily Mail, a man in the United States was extremely frightened when he discovered the Bobbit worm, which was 1.2 meters long while cleaning the aquarium.