Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 50.0 cm TL male/unsexed; (Ref. 30573); common length : 35.0 cm TL male/unsexed; (Ref. 30573); max. published weight: 2.3 kg (Ref. 4887)
Environment
Marine; reef-associated; non-migratory; depth range 2 - 125 m (Ref. 90102)
Climate / Range
Tropical, preferred ?; 30°N - 35°S, 35°E - 124°W (Ref. 54393)
Distribution
Indo-Pacific: Red Sea and east coast of Africa south to Durban, South Africa, east to the Hawaiian Islands, islands of French Polynesia and the Pitcairn Islands, north to the Ryukyu Islands and Ogasawara Islands, Japan south to Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal
spines
(total): 8;
Dorsal
soft rays
(total): 9;
Anal
spines: 1;
Anal
soft rays: 7. Diagnosis: Pectoral rays 16 (rarely 15 or 17). Gill rakers 6-7 + 22-26 (total 29-33). Body depth 3.25-3.8 in SL (body deeper with growth); head length (HL) 2.85-3.1 in SL; snout long, its length 1.61.8 in HL; eye small, the orbit diameter 5.3-8.95 in HL (SL 118-392 mm); barbels very long, 1.15 in HL to longer than head; longest dorsal spine 1.5-1.7 in HL; penultimate dorsal ray 1.1-1.2 in length of last dorsal ray; pectoral-fin length 1.5-1.7 in HL; pelvic-fin length 1.35-1.55 in HL. Color of large adults yellowish gray, the edges of the scales bright blue except ventrally, the edges more broadly blue posteriorly; a large, hemispherical, saddle-like, yellow spot covering most of upper half of caudal peduncle; region around eye yellow with radiating short narrow blue bands; caudal fin with longitudinal blue bands; second dorsal and anal fins with narrow oblique blue bands; a second smaller color phase entirely yellow, the dorsal peduncular spot sometimes apparent by being brighter yellow than rest of body (Ref. 54393).
IUCN Red List Status (Ref. 115185)
Threat to humans
Reports of ciguatera poisoning (Ref. 4690)
Human uses
Fisheries: commercial; gamefish: yes; aquarium: commercial
More information
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Tools
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Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
4.2 ±0.6 se; Based on diet studies.
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Vulnerability
Moderate vulnerability (37 of 100)
Price category