S 1: Mountain spring

S 2: Mountain lake

S 3: Newt

S 4: Salvelinus fontinalis

S 5: Pikeperch

S 6: Pikeperch and diver

S 7: spring

S 8: Rainbow trouts

S 9: Split image

S 10: Toad

S 11:Pikeperch attack

S 12: Mountain lake

S 13: Verzasca river

S 14: Pike

S 15:Rebreather