Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Chaetodontidae
Etymology: Chelmon: Greek, cheilon, -onos = a grey mullet (Ref. 45335).
Environment / Climate / Range
Marine; brackish; reef-associated; non-migratory; depth range 2 - 10 m (Ref. 90102). Tropical; 10°S - 30°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.5 cm TL male/unsexed; (Ref. 4859)
Western Pacific: found exclusively on coastal reefs and estuaries of Queensland. Recently recorded from northwestern Australia (Ref. 5978, 3131).
Prefer algae covered and mud bottoms areas of estuaries and coastal reefs (Ref. 9710). Usually occur in pairs. Feed on small benthic invertebrates (Ref. 9710). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Form pairs during breeding (Ref. 205).
Steene, R.C., 1978. Butterfly and angelfishes of the world. A.H. & A.W. Reed Pty Ltd., Australia. vol. 1. 144 p. (Ref. 4859)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02138 (0.01067 - 0.04284), b=3.02 (2.85 - 3.19), based on LWR estimates for this (Sub)Family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.37 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .