weird dwarf weatherfish on driftwood among green vegetation with sand bottom in european biotope aquarium, full body

algae animal aqua aquaculture aquatic captive clear closeup cobitis coldwater conditions controlled curious current decorative ecology elodea endemic europe fauna fish fishkeeping flow free freshwater friendly gravel grey instinct juvenile lake lily loach local macro native natural nature ornamental plant pondweed potamogeton protection river space spined stream taenia tank temperate threat underwater water weed wild