Albeli

The albeli, <em>Coregonus heglingus</em>, is a freshwater salmonid belonging to the family Salmonidae, within the highly diverse genus <em>Coregonus</em> — the whitefishes and ciscoes. This species is endemic to deep prealpine lakes of Switzerland, including Lake Constance and associated water bodies. Adults typically reach approximately 24 cm in length. The albeli inhabits the water column at depths between roughly 20 and 80 metres, undertaking vertical migrations tied to temperature stratification and food availability. Like other coregonids, it feeds primarily on zooplankton and small invertebrates. Historically, the albeli supported small-scale commercial and subsistence fisheries in Swiss lakes, but populations have experienced significant pressure due to eutrophication, climate-driven temperature changes, and interspecific competition. Details of habitat and range for this species remain limited in the ichthyological literature beyond its known Swiss lake distribution. Conservation assessments for this species are not currently formalised.