The Blue Ribbon Eel (Rhinomuraena quaesita) is the adult male color phase of the Ribbon Eel, also known as the Leaf-nosed Moray Eel. It is the only member of the genus Rhinomuraena.

Distribution and Habitat

The Blue Ribbon Eel is found in tropical parts of the Indian and Pacific Oceans, ranging from East Africa to southern Japan, Australia, and French Polynesia. It is found in sand burrows and reefs at depths of 1 to 57 meters.

Physical Description

The Blue Ribbon Eel is characterized by its long thin body and high dorsal fins. The adult male displays a vibrant blue body with a yellow snout and dorsal fin. Blue adult males range from 65 to 94 cm in length. The species can have up to 255 vertebrae making it one of the most narrow and elongated eel species.

Diet and Feeding

The Blue Ribbon Eel is carnivorous, feeding on small fish and crustaceans. In captivity it can be a finicky eater and may require live foods initially.

Behavior and Reproduction

Ribbon eels are a diurnal species. It is generally considered a protandric hermaphrodite undergoing male to female transformation. When necessary male ribbon eels will develop reproductive organs, lay eggs, and then die. In its natural habitat ribbon eels can live up to twenty years.

Aquarium Care

It requires a tank of at least 55 gallons with a tight-fitting lid. It needs abundant live rock with crevices and a sandy substrate. It can be difficult to acclimate to captivity. It is considered reef-safe with caution.

Conservation Status

Classified as Least Concern by the IUCN Red List.