Classification / Names
Common names from other countries
Size / Weight / Age
Max length : 25.0 cm SL male/unsexed; (Ref. 48635); common length : 10.0 cm SL male/unsexed; (Ref. 188)
Length at first maturity
Lm 10.1, range 7 - 17 cm
Marine; freshwater; brackish; reef-associated; depth range 1 - 13 m (Ref. 58302)
Climate / Range
Tropical, preferred 28°C (Ref. 107945); 39°N - 33°S, 29°E - 178°W (Ref. 188)
Indo-Pacific: widespread, East Africa, Madagascar, Mauritius eastward to Japan, eastern Australia, Samoa. Introduced into Hawaii - apparently by accident - where it is now abundant. (most previous data published under the name Herklotsichthys punctatus). At least one country reports adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
soft rays: 12 - 23. Elongate wing-like scales underneath paired pre-dorsal scales separate it from all other species except H. koningsbergeri and Herklotsichthys Species A, which have prominent black spots on the flank, and Herklotsichthys Species B, which has dusky tips to dorsal and caudal fins and more lower gill rakers. Flank silvery with an electric blue line preceded by two orange spots located on each operculum.
IUCN Red List Status (Ref. 90363)
Threat to humans
Potential pest (Ref. 6362)
Fisheries: minor commercial; bait: usually
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
3.6 ±0.4 se; Based on diet studies.
High, minimum population doubling time less than 15 months (K=2.6)
Low vulnerability (15 of 100)