Monotaxis heterodon
Redfin emperor | Redfin Seabream
Similar Species
Same Genus
Distribution
Tropical Indo-Pacific
Description
Silvery body with a dark back, narrow white bars on upper body, red tinge to fins and often a yellow tail. Similar to M. grandoculis (Bigeye Seabream) but with narrower upper body bars (2 scales wide rather than 3-4), smaller size, and dark colouration extending further down side of body. Not always recognised as a distinct species from M. grandoculis.
Information
Max Size: 60 cm
Sea Temperature Range: 25.4-30.7°C
Depth: 3-25m
Habitat Generalization Index: 14.99
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: Not Evaluated
Occurrence: Common (27.2% 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 (5 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland