Ecsenius lividanalis

Blenniidae
Blackass Combtooth Blenny, Blackass Blenny
  • Ecsenius lividanalis, Raja Ampat, Indonesia, Photo: Andrew Green
    Ecsenius lividanalis, Raja Ampat, Indonesia, Photo: Andrew Green
  • Ecsenius lividanalis, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
    Ecsenius lividanalis, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Small body with a rounded belly, eye with gold iris and black outer ring. Two colour forms: bright yellow and dark grey. Actively hovers above coral to view approaching diver, and darts back into cover.
Information
  • Max Size: 5 cm
  • Sea Temperature Range: 26.6-31.1°C
  • Depth: 1-12m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 1.9
    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
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (11% 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.
Edit by: Joe Shields
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