 Freshwater shell Dreissena polymorpha Image no. rdi_02401 |  Hydra Hydra Image no. rdi_02400 |  Freshwater crayfish Orconectes limosus Image no. rdi_02399 |  pikeperch Sander lucioperca Image no. rdi_02397 |
 pike Esox lucius Image no. rdi_02395 |  Stone loach Barbatula barbatula Image no. rdi_02394 |  Stone loach Barbatula barbatula Image no. rdi_02393 |  Minnow, school of minnows Phoxinus phoxinus Image no. rdi_02392 |
 Minnow, school of minnows Phoxinus phoxinus Image no. rdi_02391 |  Trout Salmo trutta Image no. rdi_02389 |  Salmonidae Tigerfish Image no. rdi_02388 |  Salmonidae Tigerfish Image no. rdi_02387 |
 rainbow trout Oncorhynchus mykiss Image no. rdi_02386 |  rainbow trout Oncorhynchus mykiss Image no. rdi_02385 |  rainbow trout Oncorhynchus mykiss Image no. rdi_02384 |  rainbow trout Oncorhynchus mykiss Image no. rdi_02383 |
 rainbow trout Oncorhynchus mykiss Image no. rdi_02382 |  Scubadiving in a freshwater river Image no. rdi_01654 |  Bullhead Cottus gobio Image no. rdi_01536 |  Charr Salvelinus alpinus Image no. rdi_01532 |
 Charr Salvelinus alpinus Image no. rdi_01531 |  Charr Salvelinus alpinus Image no. rdi_01530 |  Charr Salvelinus alpinus Image no. rdi_01529 |  Charr Salvelinus alpinus Image no. rdi_01528 |
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