Meiacanthus lineatus

Lined Fangblenny | Yellow-lined Harptail Blenny
Meiacanthus lineatus
Meiacanthus lineatus, Great Keppel Is, QLD, Photo: Andrew Green
Meiacanthus lineatus
Meiacanthus lineatus, Coffs Harbour, NSW, Photo: Ian Shaw
Meiacanthus lineatus
Meiacanthus lineatus, Photo: Graham Edgar
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Meiacanthus lineatus
Meiacanthus lineatus
Meiacanthus lineatus


Tropical Indo-Pacific


Three broad black stripes from head to tail base, black stripe along upper dorsal fin, and yellow or white between stripes. Similar M. luteus (Yellow Fangblenny), M. grammistes (Linespot Fangblenny) and Petroscirtes fallax (Yellow Sabretooth Blenny) all lack dorsal fin stripe. Endemic to eastern Australia.


Max Size: 10 cm

Sea Temperature Range: 18.9-29.9°C

Depth: 3-20 m

Habitat Generalization Index: 7.96

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: Frequent (17.5% 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 (4 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.

Edit by: Joe Shields