Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Chaetodontidae (Butterflyfishes)
Etymology: Chelmon: Greek, cheilon, -onos = a grey mullet (Ref. 45335).

Environment / Climate / Range Ecology

Marine; brackish; reef-associated; non-migratory; depth range 1 - 25 m (Ref. 9710). Tropical

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 9710); max. reported age: 10 years (Ref. 72479)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 28-30; Anal spines: 3; Anal soft rays: 19 - 21. Easily identified by the yellow banding and long snout. Juveniles similar to adults (Ref. 48636). Distinguished from C. marginalis by its color pattern and number of dorsal fin rays (fewer in C. rostratus.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Western Pacific: Andaman Sea to Ryukyu Islands and Australia.

A common species found singly and in pairs along rocky shores and coral reefs; also in estuaries and silty inner reefs (Ref. 9710, 48636). Territorial species (Ref. 48636). Oviparous (Ref. 205), monogamous (Ref. 52884). Forms pairs during breeding (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p.

IUCN Red List Status (Ref. 90363)

Least Concern (LC)

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; aquarium: commercial

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01113 (-0.19637 - 0.21863), b=3.06 (2.95 - 3.18), based on LWR estimates for this family-BS (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 (15 of 100) .

Price category (Ref. 80766): Unknown.

Chelmon rostratus (Linnaeus, 1758)