Aethaloperca rogaa

Serranidae
Redmouth Rockcod, Redflushed Rockcod, Redmouthed Groper, Redmouthed Grouper
  • Aethaloperca rogaa, Adult. Photo: Rick Stuart-Smith
    Aethaloperca rogaa, Adult. Photo: Rick Stuart-Smith
  • Aethaloperca rogaa, Machchafushi, Maldives, Photo: Rick Stuart-Smith
    Aethaloperca rogaa, Machchafushi, Maldives, Photo: Rick Stuart-Smith
  • Aethaloperca rogaa, Bali, Indonesia, Photo: Ian Shaw
    Aethaloperca rogaa, Bali, Indonesia, Photo: Ian Shaw
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Distinctive profile with steep forehead and rectangular body, dark coloration, and a straight, transparent rear tail margin. Often also orange tint to pectoral fin and eye, and light vertical bar across mid lower body. Juveniles mimic Centropyge vrolikii (Pearlscale Angelfish) and C. nox (Midnight Angelfish). Length to 60 cm.
Information
  • Max Size: 60 cm
  • Sea Temperature Range: 23.5-31.6°C
  • Depth: 3-50m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 3.9
    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
  • Threats: Exploitation
  • IUCN Threat Status: Data Deficient
  • Occurrence: Frequent (20% 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: Solitary (1 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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