Most comb jellies are bioluminescent and emit blue of green light that can only be seen in the dark. Comb jellies do not have stinging tentacles and they break apart when taken out of water. If you find a comb jelly and would like to observe its shape, gently scoop it out of the water …
Bloody-Belly Comb Jellies are almost invisible to predators because its hard to see red in deep water
Bloody-belly comb jellies are various shades of red but will always have a blood red belly. Comb jellies have shimmering rainbow color bands that are made of tiny hairs called combs. These combs help the jelly propel through the water.