Peacock-tail Anemone Shrimp

Overview

The Peacock-tail Anemone Shrimp is a small, symbiotic crustacean widely recognized for its transparent body and distinctive, eye-catching tail markings. It typically lives in pairs among the tentacles of host sea anemones, where it finds protection and a stable environment.

Appearance

This shrimp features a nearly transparent body, which allows for a clear view of its internal organs. It is adorned with large white spots on its carapace and tail, while its caudal fin displays five characteristic orange spots, each encircled by a black ring. Additionally, the shrimp often exhibits violet coloration near the joints of its legs. Females are generally larger than males and may possess more extensive white spotting.

Distribution & habitat

Found throughout the tropical regions of the Indian and Pacific Oceans, this species ranges from the Red Sea and Mozambique to Japan, Australia, and various Pacific island groups. It primarily inhabits coastal waters, where it associates with a variety of hosts, including sea anemones, sea cucumbers, mushroom corals, bubble corals, and occasionally jellyfish.

Biology & behavior

This shrimp maintains a mutualistic relationship with its host. It coats itself in the host's mucus, which prevents the anemone's stinging cells from harming it. The shrimp is known to clean its host by feeding on accumulated debris and parasites. During molting, the shrimp temporarily leaves the host to hide until its new exoskeleton hardens, after which it returns to re-acquire the protective mucus coating. It is an omnivore that also consumes detritus and may scavenge food from the host anemone.