Gasterosteiformes, Stekelbaarsachtigen, Seahorses-Sticklebacks

Gasterosteus aculeatus, Three-spined Stickleback

4 images

Pungitius pungitius, Ninespine Stickleback

4 images

Gastropoda, Buikpotigen, Gastropods

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Ephemeroptera, Haften, Mayflies

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