Blacktail butterflyfish
| Blacktail butterflyfish | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Acanthuriformes | 
| Family: | Chaetodontidae | 
| Genus: | Chaetodon | 
| Subgenus: | Chaetodon (Corallochaetodon) | 
| Species: | C. austriacus  | 
| Binomial name | |
| Chaetodon austriacus Rüppell, 1836  | |
| Synonyms | |
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The blacktail butterflyfish (Chaetodon austriacus), also known as black-tailed butterflyfish or exquisite butterflyfish, is a species marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is native to the western Indian Ocean but has reached the Mediterranean Sea as a Lessepsian migrant through the Suez Canal.