Lethrinus microdon

Small-tooth emperor | Long-nosed Emperor | Longface Emperor | Smalltoothed Pigface Bream
Lethrinus microdonLethrinus microdon, Photo: Graham Edgar
Lethrinus microdonLethrinus microdon, adult, Bali, Indonesia, Photo: Ian Shaw
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Lethrinus microdon
Lethrinus microdon


Tropical Indo-Pacific


Tan/olive body with long pointed snout, faint red tinge on fins. Similar to L. olivaceus (Longnose Emperor), but snout slightly shorter, and has light stripes from eye towards snout and mouth.


Max Size: 80 cm

Sea Temperature Range: 26.8-29.5°C

Depth: 10-80m

Habitat Generalization Index: N/A

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: Rare (0.9% 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 (2 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

Further Information