Heniochus acuminatus
Longfin Bannerfish | Bannerfish | Coachman | Featherfin Coralfish | Pennant Bannerfish | Pennant Coralfish | Wimple Fish
Similar Species
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Black and white banded body with long trailing white dorsal fin. Pectoral, tail and rear part of dorsal fins yellow. Difficult to distinguish from H. diphreutes (Schooling Bannerfish). Has slightly longer snout and longer anal fin, with black rear margin extending close to the lower corner of the tail. Juveniles sometimes act as cleaners.
Information
Max Size: 25 cm
Sea Temperature Range: 19.1-31.7°C
Depth: 2-178m
Habitat Generalization Index: 14.02
Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.
Conservation and Rarity
IUCN Status: Least Concern
Occurrence: Frequent (10.8% of sites)
Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
Abundance: Few (3 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.