black sea red data book - Department of Biology

Habitat type, Critical habitats, Limiting factors. A pelagic, euryhaline, essentially
brackish water species, vulnerable to chemical pollution of coastal lakes.
Biology. Reproduction in April-June on the Bulgarian coast. Food: zooplankton,
copepods, mollusc larvae and small fish.
Population trends. Declining.
Threats. Chemical pollution of coastal lakes.
Conservation measures taken. Lake Shabla has been made a reserve. The species
is included in the Bulgarian Red book (Karapetkova, 1985).
Conservation measures proposed. Eliminate pollution.
References
Karapetkova, M., 1985. Red book of Bulgaria. Animals, Sofia, 2: 182 pp
Sivkov, Y., 1994. Morphological characteristics of the Clupeonella cultriventris
(Pisces, Clupeidae) from the Bulgarian Black Sea coast. Bui. Mus. Nat. Varna 30: 45.
Stojanov, S. et al, 1963. The fishes in the Black Sea. Varna, Publishing house
Varna: 246 pp.
Whitened, 1984. Fishes of the North-eastern Atlantic and the Mediterranean 1:
274 pp.
Compiled by Y. Sivkov & K. Prodanov
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