Yellow-spotted triggerfish (Pseudobalistes fuscus) fish species and information / pictures of Yellow-spotted triggerfish - Pseudobalistes fuscus

Yellow-spotted triggerfish (Pseudobalistes fuscus) fish species information

Scientific Name
Pseudobalistes fuscus

Common Name
Yellow-spotted triggerfish

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 (Ref. 4420). 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 (Ref. 37816).

Classification

Classified By

Bloch & Schneider, 1801

Class

Ray-finned fishes (Actinopterygii)

Order

Puffers and Filefishes (Tetraodontiformes)

Family

Triggerfishes (Balistidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Red Sea south to Durban, South Africa (Ref. 4420) 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 (Ref. 9710).

Range

32°N - 24°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

30 m

Depth To - meters

50 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 30 - 50 m (Ref. 1602)

Trophic Level

3.46 s.e. 0.46 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

55.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; aquarium: commercial

Vulnerability

Moderate vulnerability (41 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated