- Classification
- ACTINOPTERYGII
- PERCIFORMES
- ACANTHURIDAE
- Naso
- maculatus
Scribbled Unicornfish, Naso maculatus Randall & Struhsaker 1981
A Scribbled Unicornfish, Naso maculatus, at Midway Islands, Hawaii. Source: John E. Randall. License: All rights reserved
Summary:
A slender bluish-grey unicornfish becoming paler below, with small dark spots and short lines on the upper ¾ of body and caudal fin, similar but less distinct and less dense spots on the head, and a dark line along the lateral line that breaks up into spots posteriorly. This species lacks a rostral projection at all sizes.
Cite this page as:
Bray, D.J. 2018, Naso maculatus in Fishes of Australia, accessed 29 Mar 2024, https://fishesofaustralia.net.au/home/species/1042
Scribbled Unicornfish, Naso maculatus Randall & Struhsaker 1981
More Info
Distribution |
Off southern Queensland; also Middleton Reef and Lord Howe Island in the Tasman Sea. Elsewhere the species occurs in the tropical, west-central Pacific. |
Features |
Dorsal fin VI-VII, 26-28; Anal fin II, 26-28; Pectoral fin 16-18; Pelvic fin I, 3; Caudal fin (branched rays) 14; Gill rakers short, 3-4 + 10-12; Vertebrae 9+13. Body elongate, dorsal and ventral profiles of head evenly convex, forehead without rostral prominence even in adults; deep diagonal groove on snout from eye towards anterior end of snout. Two small peduncular plates each with a sharp, approximately semicircular, laterally projecting keel. Caudal fin emarginate without a filament. |
Etymology |
The species is named maculatus in reference to the numerous dark spots found in both juveniles and adults. |
Species Citation |
Naso maculatus Randall & Struhsaker 1981, Copeia 1981(3): 554, fig. 1. Type locality: Oahu Island, Hawaiian Islands, Oahu, north shore off Haleiwa, 21°40'N, 158°07'W, depth 100 m. |
Author |
Bray, D.J. 2018 |
Resources |
Scribbled Unicornfish, Naso maculatus Randall & Struhsaker 1981
References
Borden, W.C. 1998. Phylogeny of the unicornfishes (Naso, Acanthuridae) based on soft anatomy. Copeia 1998(1): 104-113.
Francis, M. 1993. Checklist of the coastal fishes of Lord Howe, Norfolk, and Kermadec Islands, southwest Pacific Ocean. Pacific Science 47(2): 136-170 figs 1-2
Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3)
Kuiter, R.H. & Debelius, H. 2001. Surgeonfishes, Rabbitfishes and Their Relatives. A comprehensive guide to Acanthuroidei. Chorleywood, U.K. : TMC Publishing 208 pp.
Masuda, H., Amaoka, K., Araga, C., Uyeno, T. & Yoshino, T. (eds) 1984. The Fishes of the Japanese Archipelago. Tokyo : Tokai University Press Vol. 1–2 437 pp. 247 figs 370 pls.
Randall, J.E. 2001. Surgeonfishes of Hawai'i and the World. Honolulu : Mutual Publishing and Bishop Museum Press 125 pp.
Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp.
Randall, J.E. & Struhsaker, P. 1981. Naso maculatus, a new species of acanthurid fish from the Hawaiian Islands and Japan. Copeia 1981: 553-558 https://www.jstor.org/stable/1444558
Russell, B., Abesamis, R., Clements, K.D., Choat, J.H., McIlwain, J., Myers, R., Rocha, L.A., Nanola, C. & Stockwell, B. 2012. Naso maculatus. The IUCN Red List of Threatened Species 2012: e.T178020A1523627. http://dx.doi.org/10.2305/IUCN.UK.2012.RLTS.T178020A1523627.en. Downloaded on 13 November 2018.