Status of the burbot ( L.) in the Lower Danube (Bulgaria) - a species threatened by climate change.

The study provides data on the catch composition, length-weight relationship, age structure, gender structure, growth, maturation, fecundity, distribution and conservation status of the burbot (Linnaeus, 1758) in Bulgaria. During six consecutive winters (2008-2014) a total of 395 burbot specimens were caught. The total length and the weight of the specimens ranged from 16 to 51 cm and 29.