Longtail dwarf goby
Encyclopedia
Longtail dwarf goby is a species of fish
in the Gobiidae family. Distributed in the Black Sea
, Sea of Azov
, and the Caspian Sea
.
Common in the brackish water
, on the sandy bottom or in foulings. Prefers the water temperature of 4-20 °C. Up to 5 cm long. Dorsal fin
has 6–8 hard and 7–9 soft rows, in the anal fin 1 hard and 8–9 soft rows. Feeding on small invertebrates.
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...
in the Gobiidae family. Distributed in the Black Sea
Black Sea
The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...
, Sea of Azov
Sea of Azov
The Sea of Azov , known in Classical Antiquity as Lake Maeotis, is a sea on the south of Eastern Europe. It is linked by the narrow Strait of Kerch to the Black Sea to the south and is bounded on the north by Ukraine mainland, on the east by Russia, and on the west by the Ukraine's Crimean...
, and the Caspian Sea
Caspian Sea
The Caspian Sea is the largest enclosed body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. The sea has a surface area of and a volume of...
.
Common in the brackish water
Brackish water
Brackish water is water that has more salinity than fresh water, but not as much as seawater. It may result from mixing of seawater with fresh water, as in estuaries, or it may occur in brackish fossil aquifers. The word comes from the Middle Dutch root "brak," meaning "salty"...
, on the sandy bottom or in foulings. Prefers the water temperature of 4-20 °C. Up to 5 cm long. Dorsal fin
Dorsal fin
A dorsal fin is a fin located on the backs of various unrelated marine and freshwater vertebrates, including most fishes, marine mammals , and the ichthyosaurs...
has 6–8 hard and 7–9 soft rows, in the anal fin 1 hard and 8–9 soft rows. Feeding on small invertebrates.