Fusigobius signipinnis

Gobiidae
Flasher Sandgoby, Fine-spotted Sandgoby, Signal Goby, Signalfin Goby
  • Fusigobius signipinnis, Photo: Rick Stuart-Smith
    Fusigobius signipinnis, Photo: Rick Stuart-Smith
  • Fusigobius signipinnis, Ashmore Reef, WA, Australia, Photo: Graham Edgar
    Fusigobius signipinnis, Ashmore Reef, WA, Australia, Photo: Graham Edgar
  • Fusigobius signipinnis, Northern Great Barrier Reef, QLD, Photo: Andrew Green
    Fusigobius signipinnis, Northern Great Barrier Reef, QLD, Photo: Andrew Green
Distribution
Tropical Indo-Pacific
Description
Pale, translucent body covered in brown and white spots, large dark reddish flag-like patch on first dorsal fin, which it flicks up and down ('flashing'), and reddish eyes. Thin internal stripes of white and dark red dashes. Similar F. melacron (Blacktip Sandgoby) lacks red on fin and eyes. Found on sand patches near reefs.
Information
  • Max Size: 5 cm
  • Sea Temperature Range: 23.5-31.2°C
  • Depth: 3-30m
  • Habitat: Coral Reef, Soft sediment
  • Habitat Generalisation Index: 3.6
    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 (18% 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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