The Pet Fish Care Blog

Fishes that belong to super order Ostariophysi contribute to the near 70 percent of the fresh water fish in the world. The characteristic features are weberian apparatus and release of alarm substances. These alarm substances are released by the fish, when it is put under stressful condition.

The fishes that are classified under Characidae family do have some characteristics that resemble characteristics of ostariophysi. Members of family characidae were discovered first in central and southern America. They are found in central Africa too.

There are two main different variations in the members of family Characidae which can be kept in aquarium. They are carnivores and omnivores. The carnivorous type will eat only the meat whereas the omnivorous type will eat both the meat and plant [vegetable matter]. It is better to avoid herbivorous type as they consume all the plant material in the aquarium. Read the rest of this entry »