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Photo 1 of 6 (c) Ian Banks, some rights reserved (CC BY-NC)

Photo 2 of 6 (c) François Libert, some rights reserved (CC BY-NC-SA)

Photo 3 of 6 (c) François Libert, some rights reserved (CC BY-NC-SA)

Photo 4 of 6 (c) Mark Rosenstein, some rights reserved (CC BY-NC)

Photo 5 of 6 (c) Rickard Zerpe, some rights reserved (CC BY)

Photo 6 of 6 (c) David Rolla, some rights reserved (CC BY-NC)
1 of 6 photos
Dusky Surgeonfish
Acanthurus nigrofuscus
- Worldwide
- 4,193 observations
- Group
- Fish
About
Acanthurus nigrofuscus, also known as the lavender tang, brown tang, or spot-cheeked surgeonfish, is a tang from the Indo-Pacific and Hawaii. It commonly makes its way into the aquarium trade. It grows to 21 cm in length. Recently, a huge bacterium discovered in its intestine, Epulopiscium fishelsoni, has been found to grow as large as 600 by 80 μm, a little smaller than a printed hyphen, which controls the pH of its host's gut, thereby influencing its...
Summary from Wikipedia, CC BY-SA 4.0.
Recent sightings near Cairns
Research-grade observations within 25 km, newest first.
- 30 May 2026Nudey Beach, Fitzroy Island - Cairns, Fitzroy Island QLD 4870, AustraliaObserver: SamView observation from 30 May 2026 on iNaturalist
- 21 Apr 2026Fitzroy Island QLD, AustraliaObserver: Ray TurnbullView observation from 21 Apr 2026 on iNaturalist
- 21 Apr 2026Fitzroy Island QLD, AustraliaObserver: Ray TurnbullView observation from 21 Apr 2026 on iNaturalist
- 21 Apr 2026Welcome Bay, Fitzroy Island, QLDObserver: margot_oorebeekView observation from 21 Apr 2026 on iNaturalist
- 20 Apr 2026Fitzroy Island QLD, AustraliaObserver: Ray TurnbullView observation from 20 Apr 2026 on iNaturalist
- 20 Apr 2026Nudey Beach, Fitzroy Island, QLDObserver: margot_oorebeekView observation from 20 Apr 2026 on iNaturalist