#2365 · 🐟 fish
Pacific Orange-spine Unicornfish
🇳🇱 Koekopvis ·Naso lituratus
8 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Naso lituratus is a species of fish in the family Acanthuridae, the tangs and unicornfishes. Its common names include barcheek unicornfish , clown tang , masked unicornfish , naso tang , orange-spine surgeonfish , orange-spine unicornfish , Pacific orange-spine unicorn , poll unicornfish , redlip surgeonfish , lipstick tang , smooth-head unicornfish , and striped unicornfish .
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 3,972 observations worldwide on iNaturalist.
- Scientifically named by Johann Reinhold Forster in 1801 (225 years ago).
fact sheet
- English
- Pacific Orange-spine Unicornfish
- Nederlands
- Koekopvis
- scientific name
- Naso lituratus
- class
- Actinopterygii
- order
- Acanthuriformes
- family
- Acanthuridae
- IUCN Red List
- LC · least concern
- sightings in NL
- 0
- sightings worldwide
- 3,972
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1801 by Johann Reinhold Forster
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Acanthuridae
#2269 📷 10Atlantic Blue Tang
🇳🇱 Caribische doktersvis
Acanthurus coeruleus
LC 🌍 9.2k seen
#2313 📷 10Lined Bristletooth
Ctenochaetus striatus
LC 🌍 4.9k seen
#2320 📷 10Convict Surgeonfish
Acanthurus triostegus
LC 🌍 4.8k seen
#2331 📷 9Caribbean Ocean Surgeonfish
Acanthurus tractus
LC 🌍 4.5k seen
#2346 📷 7Bluespine Unicornfish
🇳🇱 Blauwstekeleenhoornvis
Naso unicornis
LC 🌍 4.3k seen
#2353 📷 10Dusky Surgeonfish
Acanthurus nigrofuscus
LC 🌍 4.2k seen
#2360 📷 10Pacific Sailfin Tang
🇳🇱 Zeilvindoktersvis
Zebrasoma velifer
LC 🌍 4k seen
#2364 📷 10Striped Surgeonfish
Acanthurus lineatus
LC 🌍 4k seen
Sources: iNaturalist taxon 52451, Wikidata Q674381, GBIF 5209096, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.