omnivore animal palaemon adspersus, baltic prawn, saltwater decapod crustacean eats a dead shrimp in marine biotope aqua

active adspersus adult algae animal antenna aqua aquaculture aquarium aquascape aquatic background baltic biodiversity biotope black caridean clear crustacean dead decapod decorative design eats ecology environment exotic fauna feed fishkeeping free friendly instinct invasion invasive life littoral live macro marine natural nature omnivore organism palaemon prawn prey reef saltwater sand sea shrimp space tank transparent ulva underwater vulnerable water way widespread wild zone