Notoclinops segmentatus

Blue-eyed triplefin
Notoclinops segmentatus
Notoclinops segmentatus, female, Poor Knights Is, New Zealand, Photo: Rick Stuart-Smith
Notoclinops segmentatus
Notoclinops segmentatus, male, Poor Knights Is, New Zealand, Photo: Andrew Green
Notoclinops segmentatus
Notoclinops segmentatus, Poor Knights Is, New Zealand, Photo: Andrew Green
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Notoclinops segmentatus
Notoclinops segmentatus
Notoclinops segmentatus



Pinkish head and body with nine evenly spaced reddish-brown bars from behind pectoral fin base to caudal fin base. Eyes are irridescent blue. Breeding males are bright orange on head, and body progressively darkening to dark grey or black caudal fin. In females, first dorsal fin is separate from and lower than second dorsal. Especially in mature males, second spine of first dorsal is longer than first spine and second dorsal. 


Max Size: 4 cm

Sea Temperature Range: 14-21.5°C

Depth: N/A

Habitat Generalization Index: 33.19

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.

Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Widespread (87.2% 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: Many (11 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.