Cauliflower Jelly

Overview

The Cauliflower Jelly, also known as the Crown Jellyfish, is a distinctively shaped scyphozoan recognized by its prominent central dome. While it is a large, fleshy jellyfish, it is generally considered harmless to humans despite its ability to capture prey with specialized stinging cells.

Appearance

This species features a bell-shaped umbrella that can reach up to 60 centimeters in diameter. The upper surface is typically a striking purplish-blue, pink, or lilac, characterized by a central dome covered in 10 to 50 large, irregular, wart-like protuberances that give it a cauliflower-like appearance. Below the bell, it possesses eight stout, recurved mouth arms fringed with numerous long, tapering filaments used for feeding. Unlike many other jellyfish, it lacks the long marginal tentacles typically found on the bell's edge.

Distribution & Habitat

The Cauliflower Jelly is primarily found in the tropical and subtropical waters of the Indo-West Pacific, with a range extending from the Red Sea and eastern Atlantic to South Africa, Japan, and the Marquesas Islands. It is a pelagic species that inhabits the open ocean but may occasionally drift inshore or become stranded near coral reefs. It is known to perform vertical migrations, moving between deeper waters during the day and approaching the surface at night.

Feeding

As a carnivorous predator, this jellyfish feeds on a variety of small organisms, including zooplankton, small crustaceans, planktonic larvae, and occasionally algae. It uses its mouth arms and associated filaments to stun and grapple with its prey.