saltwater rockpool shrimp search for food, inspect with pereiopods, antennas littoral zone bottom of black sea marine biotope aqua

active adult animal aquaculture aquascape aquatic atlantic background bay biodiversity brackish captive clear closeup concept conditions controlled crustacean decapod decapoda decorative easy elegans enduring environment exotic fauna fish fishkeeping free funny header instinct invasion invasive keep life macro marine natural nature ocean odesa ornamental palaemon palaemonidae pet pico prawn reef sand sea space substrate tank underwater vulnerable water widespread wild