Beroe

Beroe is a genus of comb jellies, nicknamed cigar comb jellies for their elongated, torpedo-like shape, found from shallow coastal water to the deep sea across the Mediterranean, Atlantic, and Pacific. Unlike most ctenophores it lacks tentacles, instead swallowing other comb jellies whole using rows of specialized cilia called macrocilia lining its enormous mouth, which flex from a straight to a hooked shape to grip and tear prey as it is ingested. Like many of its relatives it produces its own light, and it counts among the most effective predators of gelatinous plankton in the open ocean.