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Balistoides conspicillum  (Bloch & Schneider, 1801)

Clown triggerfish
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Image of Balistoides conspicillum (Clown triggerfish)
Balistoides conspicillum
Picture by Randall, J.E.


Australia country information

Common names: Clown triggerfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found from North West Cape to Darwin (Ref. 5978). Stray specimens reported from Lord Howe Island (Matsuura, pers. comm.).
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Randall, J.E., G.R. Allen and R.C. Steene, 1990
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Tetraodontiformes (Puffers and filefishes) > Balistidae (Triggerfishes)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 50.0 cm TL male/unsexed; (Ref. 2334)

Environment

Marine; brackish; reef-associated; depth range 1 - 75 m (Ref. 9710)

Climate / Range

Tropical, preferred ?; 43°N - 32°S, 31°E - 168°W

Distribution

Indo-Pacific: East Africa south to Durban, South Africa (Ref. 4420) and east through Indonesia to Samoa, north to southern Japan and south to New Caledonia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 3; Dorsal soft rays (total): 25-27; Anal spines: 0; Anal soft rays: 21 - 27; Vertebrae: 18. Unique color pattern of large white spots on belly, black spots on yellow background on the back, yellow snout. A white or yellowish band across snout in front of eye. Lips and the area around mouth orange-yellow. A broad vertical white, slightly yellowish band on caudal fin. Scales enlarged above pectoral-fin base and just behind gill opening to form a flexible tympanum. Rows of small anteriorly projecting spines on caudal peduncle. A prominent groove extending anteriorly from front of eye for a distance of about 1 eye diameter. Mouth terminal. Caudal peduncle compressed (Ref 9770). 39-50 rows of plate-like scales.

Biology     Glossary (e.g. epibenthic)

Lives in clear coastal to outer reef habitats (Ref. 48637). Occurs in clear seaward reefs adjacent to steep drop-offs. A solitary species (Ref. 9710). Uncommon to rare throughout most of its range (Ref. 9770). Adults usually seen along deep drop-offs, swimming about openly and may retreat to caves when approached. Juveniles secretive in small caves with rich invertebrate growth (Ref. 48637). Diet consists of sea urchins, crabs and other crustaceans, mollusks, and tunicates (Ref. 9770). Marketed fresh (Ref. 9770). Among the most highly prized aquarium fishes (Ref. 1602).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Reports of ciguatera poisoning (Ref. 4690)



Human uses

Fisheries: minor commercial; aquarium: commercial

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
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Genetics
Allele frequencies
Heritability
Diseases
Processing
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Ciguatera
Speed
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Gill area
Otoliths
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Tools

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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.3   ±0.39 se; Based on food items.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Vulnerability (Ref. 59153)
Moderate vulnerability (39 of 100)
Price category (Ref. 80766)
Medium