black sea, jellyfish beroe ovata - devouring mnemiopsis leidy.

invertebrate mnemiopsis glistening underwater jellyfish devouring digesting organism aquarium combine seafood reptile caught plates animal yellow black beroe ovata leidy jelly light coral comb reef blue fish sea art ctenophora ctenophore deniz ecological environment exotic fauna hydrobionts introduced invader invading invasia invasion invasions invasive species invertebrates life marine medusa nature nuda odessa bay predator swim undersea water column wild wildlife