Coryphopterus dicrus

Gobiidae
Colon Goby
  • Coryphopterus dicrus, Turks & Caicos, Photo: Rick Stuart-Smith
    Coryphopterus dicrus, Turks & Caicos, Photo: Rick Stuart-Smith
  • Coryphopterus dicrus, Florida Keys, USA, Photo: Graham Edgar
    Coryphopterus dicrus, Florida Keys, USA, Photo: Graham Edgar
  • Coryphopterus dicrus, Belize, Photo: Rick Stuart-Smith
    Coryphopterus dicrus, Belize, Photo: Rick Stuart-Smith
  • Coryphopterus dicrus, Belize, Photo: Rick Stuart-Smith
    Coryphopterus dicrus, Belize, Photo: Rick Stuart-Smith
Distribution
Tropical Atlantic/Caribbean
Description
Two small dark spots on the pectoral fin base, otherwise quite variable in appearance. Easily confused with C. glaucofraenum, which is also variable in appearance, but lacks the two pectoral spots.
Information
  • Max Size: 5 cm
  • Sea Temperature Range: 20.4-30.6°C
  • Habitat: Coral Reef, Seagrass, Soft sediment
  • Habitat Generalisation Index: 3.8
    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: Invasive species
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Common (46% 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: Rick S-S
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