Pseudobalistes fuscus

Yellow-spotted triggerfish | Blue Triggerfish | Blue-lined Triggerfish | Rippled Triggerfish
Pseudobalistes fuscus
Pseudobalistes fuscus, WA, Australia, Photo: Rick Stuart-Smith
Pseudobalistes fuscus
Pseudobalistes fuscus, juvenile, NSW, Australia, Photo: John Turnbull
Pseudobalistes fuscus
Pseudobalistes fuscus, WA, Australia, Photo: Paul Day
Pseudobalistes fuscus
Pseudobalistes fuscus, Photo: Rick Stuart-Smith
Pseudobalistes fuscus
Pseudobalistes fuscus, juvenile, NSW, Australia, Photo: Tom Davis
Pseudobalistes fuscus
Pseudobalistes fuscus, WA, Australia, Photo: Rick Stuart-Smith
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Pseudobalistes fuscus
Pseudobalistes fuscus
Pseudobalistes fuscus
Pseudobalistes fuscus
Pseudobalistes fuscus
Pseudobalistes fuscus

Distribution

Tropical Indo-Pacific


Description

Distinguished from P. flavimarginatus (yellowmargin triggerfish) by blue face, scribbles below eye, and blue fin margins.


Information

Max Size: 55 cm

Sea Temperature Range: 16.3-31.5°C

Depth: 3-50m

Habitat Generalization Index: 0.67

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: Infrequent (1.4% 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: Solitary (1 per transect)

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


Edit by: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland