gudgeon adult individual swim over driftwood and blurred hardscape, clever tiny freshwater wild caught and domesticated fish

adult algae animal aqua aquadesign aquarium aquatic background barbel biotope blurred body captive caught clear clever closeup coldwater concept current cyprinidae dark decoration dirty domesticated driftwood ecology european fauna feel fish fishkeeping free freshwater gobio good gravel gregarious grey gudgeon habitat hardscape ichthyology individual inspiration instinct light litter local low macro mood native natural nature omnivore ornamental pontocaspian predator protection river ryoboku sand slender space swim tank temperate threat tiny ukraine underwater vulnerable water widespread wild