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Fish of the Black sea

The fauna of the Black sea is varied and unusual. Their total number is sufficiently large. Many of the species listed in the Red book. There are some that are of great importance in fisheries. Some live here permanently, or come seasonally.

All the fish in the Black sea can be divided into two categories: cartilage and bone. Mainly it is home to bony fish, cartilaginous only four species. These include manta rays, stingrays, and cat sharks spiny. Can be found as freshwater species, and marine.

Mackerel

The body of the fish is elongated, laterally flattened and covered with thick scales. Can be big or little size. Thermophilic fish, leading an active lifestyle from may to September. Moves to warmer places. Has a great industrial value. Continue reading

Types of aquarium fish

The aquarium in the sense of the population should be a little “underutilized”. Learn how many centimeters to grow those fish, which you have chosen for contents, and make a simple calculation: for every two centimeters of body length (caudal fin not considered) should have no less than a liter of water. To populate the aquarium it is better not adults, and young fish, they can adapt to the conditions. We can recommend swordtail, platies, spotted catfish, blue and black neon, cardinal, erythrozonus, ternario, fiery and scarlet barbs. A community of these fish is a whimsical set of shapes and colors.

Which fish to get ?

A decisive factor in the selection of fish should be the size of the aquarium. To bring you joy, the fish with the necessary conditions of existence.

Need to find out how many of them can hold your aquarium. Usually the calculations are made based on the requirements to the oxygen flow rate based on the ratio of the length of adult fish (without a tail) to the area of the surface of the aquarium: Continue reading