Relict species of fishes and invertebrates
Glacial relicts and marine-origin relict species and forms that
live in Lake Ladoga:
Acipenser sturio,
Salmo salar morpha sebago,
S. trutta morpha lacustris,
Coregonus lavaretus baeri,
C. lavaretus ludoga,
C. lavaretus widegreni,
C. lavaretus lavaretoides,
Triglopsis quadricornis lonnbergi,
Pallasea quadrispinosa,
Lamprodrilus isoporus,
Amnicola steini,
Pontoporeia affinis,
Gammaracanthus loricatus lacustris,
Mysis oculata relicta,
Mesidothea entomon.
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