Wechselkröte
Rivers and lakes of Moscow Oblast are rich in fish, such as ruffe, carp, bream, bass, roaches, Chinese sleeper, perch and pike. There are six species of reptiles: three lizards (slowworm, viviparous lizard and sand lizard) and three snakes (European adder, grass snake and smooth snake). There is evidence for bog turtles in some areas. Amphibians are represented by 11 species including smooth newt, great crested newt, common toad, European green toad, common frog, moor frog, marsh frog, common spadefoot and European fire-bellied toad. Insects are numerous, with bees alone accounting for more than 300 species.