In the post-Soviet space ruff rare in Ukraine, Moldova, Belarus, Baltic States, Kazakhstan, Russia. This species, which belong to the family percidae, very widespread in all territory of the Russian Federation, excluding its Northern part and far East.
This schooling fish lives in large ponds, rivers, lakes, quarries. Ruff prefers places with clean sandy bottom, although it can be found anywhere on the pond.
Ruff – fish is small, its average size is 7-10 cm, and weight not more than 100 g. Indeed, it is very similar to a brush, especially when it is taken out of the water. He immediately takes a pose of intimidation – will raise the spiny dorsal fin, the fins will straighten and bend his tail to the side. Continue reading
Angelfish are a tropical family of marine fish squad Okuneobraznyh. Do not confuse angelfish with sea angels — a special type of sharks they are in a relationship. To systematically fish the closest angels, butterfly fish, with which they have many external similarities. Even before they were United in one family. Currently known 85 species of angelfish.
Green cachama (Holacanthus ciliaris).
Compared with fish-butterflies, fish, angels are larger: the average size of 20-30 cm, but there are species and up to 60 cm in length, the smallest members of the family have a length of 12-15 cm Body of these fish is flattened laterally, a large head and the tail is shortened, making the torso seem rectangular. On the outer side of the Gill covers there is a sharp spike aimed ago. Continue reading