Ostorhinchus nigrofasciatus

Apogonidae
Blackstriped Cardinalfish, Black-banded Cardinalfish, Black-striped Cardinalfish
  • Ostorhinchus nigrofasciatus, Naigani Is, Fiji, Photo: Andrew Green
    Ostorhinchus nigrofasciatus, Naigani Is, Fiji, Photo: Andrew Green
  • Ostorhinchus nigrofasciatus, Adult, Bali, Indonesia, Photo: Ian Shaw
    Ostorhinchus nigrofasciatus, Adult, Bali, Indonesia, Photo: Ian Shaw
Distribution
Tropical Indo-Pacific
Description
Five full dark stripes, much wider than inter-spaces which are often yellow. This gives an appearance of a black fish with yellow stripes. Tail spot hard to distinguish and lacks white margin found on very similar O. angustatus. Usually found well back in caves and under ledges, singly or in pairs.
Information
  • Max Size: 11 cm
  • Sea Temperature Range: 22.8-30.6°C
  • Depth: 3-50m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 6.3
    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 (9% 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 (4 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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