beroe cucumis is a species of comb jelly in family beroidae in female hands on surface water. beroe exhibits bioluminescence

animal beroe biology bioluminescent black body cigar cilia comb compressed ctenophora cucumis ecosystem effect extend female giving gracilis hand invasive jelly jellyfish leidyi like longitudinal mnemiopsis mouth ovata pelagic pink plates predator rapacious rows sac sea shimmering species striped surface transparent water wide