Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 50.0 cm TL male/unsexed; (Ref. 5217); common length : 30.0 cm TL male/unsexed; (Ref. 3272)
Environment
Marine; reef-associated; depth range 0 - 75 m (Ref. 9710), usually 0 - 20 m (Ref. 40849)
Climate / Range
Subtropical, preferred ?; 30°N - 29°S, 180°W - 180°E
Distribution
Circumtropical. Western Pacific: Ryukyu and Ogasawara islands eastward to the Tuamoto Islands. Eastern Pacific: San Diego, California, USA to Malpelo Island, Colombia (Ref. 9276). Western Atlantic: Florida, USA and Bahamas to Brazil (Ref. 7251). Reported from the Gulf of Mexico (Ref. 46995) but see Ref. 26938. Eastern Atlantic: St. Paul's Rocks (13121), St. Helena, Ascension Island, Rolas Island, and Cape Verde (Ref. 7348). São Tomé Island (Ref. 34088). Western Indian Ocean: Durban, Natal, South Africa (Ref. 4420). Uncommon in most areas but abundant around isolated oceanic islands (Ref. 9710).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal
spines
(total): 3;
Dorsal
soft rays
(total): 30-35;
Anal
spines: 0;
Anal
soft rays: 28 - 31. A dark greenish-black triggerfish with purplish overtones. Pale blue lines along bases of soft dorsal and anal fins. Scales of rear part of body have prominent keels that form longitudinal ridges (Ref. 26938).
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; aquarium: commercial
More information
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Tools
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Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
2.4 ±0.0 se; Based on diet studies.
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Vulnerability
Moderate vulnerability (44 of 100)
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