I have the same problem with my black molly....i think it's a disease....but i don't know for sure
its kinda rare to see a beta eat a whole fish, usually they injure and bite other fishes. but its a high possibility that a beta could eat another fish if its really really hungry, due to its instincs, but usually the fish cant be bigger than the betta itself.
The first dinosaurs evolved from fishes and were no bigger than these days crocodiles.
Angelfish, fighting fish and other bigger fish would. They would do it more often too if the guppy looked weak or less strong than other guppies.
yes one foot is bigger than the other
yes one human foot is bigger than the other
Yes they do. It all depends on the size. Some small fishes eat flake and pellet food. Larger fishes many things from shrimp to even other fishes.
yes one human hand is bigger than the other
Their are some other stars bigger than the sun
It is the Cerebrum. The mammal cerebrum larger that fishes.
Most Puffer Fish are compatible with fish around the same size of the Puffer Fish. If you have a fish a lot bigger, or smaller than the puffer, it has a lower chance of being "nice" to the other fish.
About a quarter of all stars are bigger than the sun, some of them a lot bigger.
Piranha has many predators and om the top of the list humans exist then comes crocodiles ,big fishes...