Yellow-spotted triggerfish (Pseudobalistes fuscus)

Scientific name: Pseudobalistes fuscus Bloch & Schneider, 1801

The Yellow-spotted triggerfish (Pseudobalistes fuscus) is a marine fish of the family Balistidae.

Biology

Dorsal spines (total): 3; Dorsal soft rays (total): 24-27; Anal spines: 0; Anal soft rays: 19 - 24. Dark brown, scales with yellow spot; pectoral, soft dorsal, anal and caudal fins dark with yellow margins; juveniles yellowish brown with bluish grey spots and blotches. Juveniles under about 5 cm, tan with dark saddles and numerous dark wavy lines on the body. Larger juveniles loose the dark saddles and become covered in a network of brilliant blue lines which become increasingly interconnected with growth.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Pseudobalistes fuscus
Family: Balistidae (Triggerfishes)
Order: Tetraodontiformes (Puffers and Filefishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 55.0
Depth range: 30–50 m (98–164 ft)
Environment: Marine; reef-associated; depth range 30 - 50 m
Climate: Tropical
Distribution: Indo-Pacific: Red Sea south to Durban, South Africa and east to the Society Islands, north to southern Japan, south to the southern Great Barrier Reef in Australia and New Caledonia. Uncommon in the Pacific.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: commercial; aquarium: commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)