Bannerfish aka False Moorish Idol


Bannerfish aka False Moorish Idol

Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (ray-finned fishes)
Order: Perciformes (Perch likes)
Family: Chaetodontidae (Butterflyfishes)

Genus/species: Heniochus diphreutes

GENERAL CHARCTERISTICS: Color is white with pair of black bands, second band terminating at end of **** fin. There is an elongate dorsal fin filament. All species have a deep, laterally
compressed body with a continuous dorsal fin and distinctive rounded **** fin. The mouth is small, terminal, and protrusible with small brushlike teeth.

Length up to 21 cm (8 in)

DISTRIBUTION/HABITAT: Indo Pacific; widely distributed from the Red Sea and the east coast of Africa to Hawaii on outer reef slopes, 15–210 m or 50-690 feet in the tropics typically in cool upwelling water.

DIET IN THE WILD: Zooplankton

REPRODUCTION: Oviparous forming pairs during breeding


REMARKS: Form large schools, and also occur in small groups or solitary. Elongate dorsal fin filament, which gives this group of fishes their “bannerfish” moniker; is the fourth dorsal spine. Often called the false Moorish Idol for its markings similar to the Steinhart’s iconic species; however, the flowing dorsal fin and larger size of the Idol are distinctive differentiations.


California Academy of Sciences Steinhart Aquarium, Philippine coral reef 2016

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June 16, 2010, 2-10-13, 2-11-14, 4-18-16