Pawel Jürgen Jaskolka:
Flussbarsche in der Schweiz
Pawel Jürgen Jaskolka:
Teichmolch, Lissotriton vulgaris (Triturus vulgaris)
Pawel Jürgen Jaskolka:
Teichmolch, Lissotriton vulgaris (Triturus vulgaris)
Pawel Jürgen Jaskolka:
Gasterosteus aculeatus aculeatus, Three-spined stickleback, Dreistachliger Stichling, Lautrupsbach, Flensburg
Pawel Jürgen Jaskolka:
Dreistachliger Stichling, Three-spined stickleback, Gasterosteus aculeatus aculeatus, Lautrupsbach
Pawel Jürgen Jaskolka:
Dreistachliger Stichling, Three-spined stickleback, Gasterosteus aculeatus aculeatus, Lautrupsbach
Pawel Jürgen Jaskolka:
Dreistachliger Stichling, Three-spined stickleback, Gasterosteus aculeatus aculeatus, Lautrupsbach
Pawel Jürgen Jaskolka:
Dreistachliger Stichling, Three-spined stickleback, Gasterosteus aculeatus aculeatus, Lautrupsbach
Pawel Jürgen Jaskolka:
Süßwassermuschel
Pawel Jürgen Jaskolka:
Hecht
Pawel Jürgen Jaskolka:
Stingray San Andrés 1
Pawel Jürgen Jaskolka:
Stingray San Andrés 3
Pawel Jürgen Jaskolka:
Stingray San Andrés 2
Pawel Jürgen Jaskolka:
Guppy, Poecilia reticulata (?), Colombia
Pawel Jürgen Jaskolka:
San Andrés Snorkeling
Pawel Jürgen Jaskolka:
San Andrés Snorkeling