Hauffenia lucidulaAngelov, 1967
Horatia (Hauffenia) lucidulus: Angelov, 1967: 145.
Order Mesogastropoda
Family Hydrobiidae
Conservation status: in Bulgaria: Critically endangered CR [B2a, b; C2a-II; E].
General distribution. Bulgaria.
Distribution and abundance in Bulgaria. A local endemic found in two wells in the vicinity of Taukliman bay (Northeastern Bulgaria) (14 living individuals) [1, 2].
Habitats. Ground waters and springs. The saltiness of the water in the wells where it was found is about 1‰. A stygo- and crenobiont.
Biology. No data.
Similar species. None.
Negative factors. Restricted distribution; loss and degradation of habitats caused by man; tourism and relaxation; extraction and pollution of the waters.
Conservation measures taken. None.
Conservation measures needed. Maintenance and preservation of the habitat; specification of a protected territory around the springs that are the only habitat of the species. Studies on the biology and ecology for specifying nature-protection measures and monitoring.
References. 1. Angelov, 1984; 2. Angelov, 2000.
Author: Zdravko Hubenov