Leucaspius delineatus, known as the sunbleak, belica or moderlieschen is a species of freshwater fish in the family Cyprinidae. It is currently the only species included in genus Leucaspius, whereas formerly others were included, which now have been moved to Ladigesocypris or Pseudophoxinus or merged with L. delineatus.

Leucaspius delineatus 18. April 2019 The moderlieschen (Leucaspius delineatus) is the most recommended fish species for smaller garden ponds. Due to its miniature size of usually 4-5, rarely 8-12 cm it fits even for the smallest ponds, which must have, however, a minimum depth of 80 cm in central Europe to enable a survival during winter.