Cryptocentrus fasciatus

Gobiidae
Y-bar Shrimpgoby, Barred Prawngoby, Black Shrimpgoby
  • Cryptocentrus fasciatus, Dampier, WA, Photo: Andrew Green
    Cryptocentrus fasciatus, Dampier, WA, Photo: Andrew Green
  • Cryptocentrus fasciatus, Yellow form, Sulawesi, Indonesia, Photo: Ian Shaw
    Cryptocentrus fasciatus, Yellow form, Sulawesi, Indonesia, Photo: Ian Shaw
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Generally light grey with five wide brown body bars, but yellow and near black forms also occur, bluish-white dashes on head tending to spots on body, dorsal fin without markings. Similar Cryptocentrus cinctus (Yellow Shrimpgoby) has more sharply-cornered dorsal fin with bluish streaks. Shares burrow with Alpheid shrimp.
Information
  • Max Size: 14 cm
  • Sea Temperature Range: 20.9-30.9°C
  • Depth: 5-20m
  • Habitat: Coral Reef, Rocky Reef, Soft sediment
  • 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: Infrequent (3% 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: Joe Shields
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