Eyeline Surgeonfish, Acanthurus nigricauda Duncker & Mohr 1929
Other Names: Black-barred Surgeonfish, Blackstreak Surgeonfish, Epaulette Surgeonfish, Epaulette Surgeonfish, Eye-line Surgeon, Eye-line Surgeonfish, Shoulderbar Surgeonfish, White-tail Surgeonfish
An Eyeline Surgeonfish, Acanthurus nigricauda, at Tulamben, Bali, Indonesia. Source: Graham Edgar / Reef Life Survey. License: CC BY Attribution
Summary:
A brown surgeonfish with a black bar or streak running above the pectoral fin from behind the eye, a second black streak before the spine on the caudal peduncle, often a white bar on the caudal-fin base, and a pale outer half on the pectoral fin. Small juveniles lack the bar behind the eye.
Cite this page as:
Dianne J. Bray, Acanthurus nigricauda in Fishes of Australia, accessed 19 Jan 2025, https://fishesofaustralia.net.au/home/species/1027
Eyeline Surgeonfish, Acanthurus nigricauda Duncker & Mohr 1929
More Info
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Distribution |
Western Australian offshore reefs (Rowley Shoals and Scott Reef), Ashmore Reef, Timor Sea, and the northern Great Barrier Reef to the Capricorn Group, Queensland; also reefs in the Coral Sea, and Christmas Island and Cocos (Keeling) Islands in the Indian Ocean. The species occurs elsewhere in the tropical Indo-west-central Pacific. Inhabits sandy areas around corals or rocks reefs in clear lagoons and on seaward reefs. |
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Features |
Dorsal fin IX, 25-28; Anal fin III, 23-26. |
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Feeding |
Grazes on algal biofilm in sandy areas near coral or rocky reefs.bottom. |
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Fisheries |
Comemrcially fished in parts of its range, and collected for the aquarium industry. |
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Author |
Dianne J. Bray |
Eyeline Surgeonfish, Acanthurus nigricauda Duncker & Mohr 1929
References
Choat, J.H. & L.M. Axe. 1996. Growth and longevity in acanthurid fishes; an analysis of otolith increments. Marine Ecology Progress Series 134: 15-26.
Choat, J.H., K.D. Clements & W.D. Robbins. 2002. The tropic status of herbivorous fishes on coral reefs. 1. Dietary analyses. Marine Biology 140: 613-623.
Choat, J.H., K.D. Clements & W.D. Robbins. 2004. The trophic status of herbivorous fishes on coral reefs 2: Food processing modes and trophodynamics, Marine Biology 145: 445-454.
Clements, K.D., McIlwain, J., Choat, J.H., Abesamis, R., Myers, R., Nanola, C., Rocha, L.A., Russell, B. & Stockwell, B. 2012. Acanthurus nigricauda. The IUCN Red List of Threatened Species 2012: e.T178017A1522347. http://dx.doi.org/10.2305/IUCN.UK.2012.RLTS.T178017A1522347.en . Downloaded on 18 October 2015.
Comeros-Raynal, M.T., Choat, J.H., Polidoro, B., Clements, K.D., Abesamis, R., Craig, M.T., Lazuardi, M.E., McIlwain, J., Muljadi, A., Myers, R.F., et al. 2012. The likelihood of extinction of iconic and dominant components of coral reefs: the parrotfishes and surgeonfishes. PLoS ONE PDF Open access
