Fish › Surgeonfishes, Tangs, and Unicornfishes
Dark Surgeonfish
Acanthurus blochii
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Yellowfin SurgeonfishAcanthurus xanthopterus
Eye-line SurgeonAcanthurus nigricauda
Finelined SurgeonfishAcanthurus grammoptilus
Eyestripe SurgeonfishAcanthurus dussumieri
Dusky SurgeonfishAcanthurus nigrofuscus
Lined BristletoothCtenochaetus striatus
Ringtail SurgeonfishAcanthurus auranticavus
Whitebar SurgeonfishAcanthurus leucopareius
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 2,144 |
|---|---|
| Hawaii | 959 |
| Australia | 17 |
| Queensland | 16 |
| Japan | 3 |
| Okinawa Prefecture | 3 |
| India | 2 |
| Andhra Pradesh | 2 |
| Western Australia | 1 |
| Thailand | 1 |
Counts show where people looked, not only where it lives.
Traits
Physical
- AquaticLives primarily in waterFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Chordates · Chordata |
| Class | Ray-finned Fishes · Actinopterygii |
| Order | Butterflyfishes, Angelfishes, and Allies · Acanthuriformes |
| Family | Surgeonfishes, Tangs, and Unicornfishes · Acanthuridae |
| Genus | Acanthurus |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Dark Surgeonfish with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.