Fish › Damselfishes
Blackspot Sergeant
Abudefduf sordidus
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
Banded SergeantAbudefduf septemfasciatus
Hawaiian Convict SurgeonfishAcanthurus sandvicensis
Indo-Pacific Sergeant MajorAbudefduf vaigiensis
SheepsheadArchosargus probatocephalus
Bengal SergeantAbudefduf bengalensis
Pacific Sailfin TangZebrasoma velifer
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Hawaii | 2,015 |
|---|---|
| United States | 1,601 |
| South Africa | 92 |
| Australia | 86 |
| KwaZulu-Natal | 77 |
| China | 37 |
| New South Wales | 36 |
| Taiwan | 36 |
| India | 32 |
| Other Territories | 28 |
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 | Blennies, damselfishes and allies · Blenniiformes |
| Family | Damselfishes · Pomacentridae |
| Genus | Sergeant Majors · Abudefduf |
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 Blackspot Sergeant with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.