Naso hexacanthus

Naso hexacanthus és una espècie de peix pertanyent a la família dels acantúrids.The Taxonomicon

Descripció Pot arribar a fer 75 cm de llargària màxima (normalment, en fa 50). Cos gairebé fusiforme, de grisenc a marró verdós (més pàl·lid a la part inferior). Pell granulada o vellutada. Dents petites, primes, molt juntes i punxegudes. 6 espines i 27-29 radis tous a l'aleta dorsal i 2 espines i 27-30 radis tous a l'anal.FishBase Myers, R.F., 1991. Micronesian reef fishes. Segona edició. Coral Graphics, Barrigada, Guam. 298 p.Sommer, C., W. Schneider i J.-M. Poutiers, 1996. FAO species identification field guide for fishery purposes. The living marine resources of Somalia. FAO, Roma. 376 p.

Alimentació Menja zooplàncton (com ara, larves de crancs, quetògnats, urocordats, etc.) i, de tant en tant, algues.

Depredadors A les illes Hawaii és depredat per Aprion virescens.FishBase

Hàbitat És un peix marí i d'aigua salabrosa, associat als escullsHardy, J.D. Jr., 2003. Coral reef fish species. NOAA\National Oceanographic Data Center. NODC Coral Reef Data and Information Management System. Estats Units. 537 p. i de clima tropical (25 °C-28 °C; 24°N-32°S, 30°E-145°W) que viu entre 6 i 150 m de fondària (normalment, entre 10 i 137).Baensch, H.A. i H. Debelius, 1997. Meerwasser atlas. Mergus Verlag GmbH, Postfach 86, 49302, Melle, Alemanya. 1216 p. 3a edició.

Distribució geogràfica Es troba des del mar Roig i l'Àfrica oriental (incloent-hi les illes Mascarenyes) fins a les illes Hawaii,Uchida, R.N. i J.H. Uchiyama, 1986. Fishery Atlas of the Northwestern Hawaiian Islands. NOAA Tech. Rep. NMFS 38, 142 p.Tinker, S.W., 1978. Fishes of Hawaii, a handbook of the marine fishes of Hawaii and the Central Pacific Ocean. Hawaiian Service Inc., Honolulu. 568 p. les illes Marqueses, el sud del Japó i l'illa de Lord Howe.Alcala, A.C. i T.F. Luchavez, 1993. A comparison of species richness and abundance of food fishes in central Visayan and Sulu Sea coral reefs, Philippines. Silliman J. 36(2):69-76.Allen, G.R. i M. Adrim, 2003. Coral reef fishes of Indonesia. Zool. Stud. 42(1):1-72.Allen, G.R. i P.L. Munday, 1994. Kimbe Bay rapid ecological assessment: the coral reefs of Kimbe Bay (West New Britain, Papua New Guinea), Volum 3: Fish diversity of Kimbe Bay. The Nature Conservancy, South Pacific program Office, Auckland, Nova Zelanda. 107 p.Allen, G.R. i R.C. Steene, 1988. Fishes of Christmas Island Indian Ocean. Christmas Island Natural History Association, Christmas Island, Indian Ocean, 6798, Austràlia. 197 p.Allen, G.R. i W.F. Smith-Vaniz, 1994. Fishes of the Cocos (Keeling) Islands. Atoll Res. Bull. 412:21 p.Bagnis, R., P. Mazellier, J. Bennett i E. Christian, 1984. Poissons de Polynésie. Cinquena edició. Société Nouvelle des Editions du Pacifique, Elysées, França.Bianchi, G., 1985. FAO species identification sheets for fishery purposes. Field guide to the commercial marine and brackish-water species of Tanzania. Prepared and published with the support of TCP/URT/4406 and FAO (FIRM) Regular Programme. FAO, Roma, Itàlia. 199 p.Chen, C.-H., 2004. Checklist of the fishes of Penghu. FRI Special Publication. Núm. 4. 175 p.Fischer, W., I. Sousa, C. Silva, A. de Freitas, J.M. Poutiers, W. Schneider, T.C. Borges, J.P. Feral i A. Massinga, 1990. Fichas FAO de identificaçao de espécies para actividades de pesca. Guia de campo das espécies comerciais marinhas e de águas salobras de Moçambique. Publicaçao preparada em collaboraçao com o Instituto de Investigaçao Pesquiera de Moçambique, com financiamento do Projecto PNUD/FAO MOZ/86/030 e de NORAD. Roma, FAO. 1990. 424 p.Francis, M.P., 1993. Checklist of the coastal fishes of Lord Howe, Norfolk, and Kermadec Islands, Southwest Pacific Ocean. Pac. Sci. 47(2):136-170.Ganaden, S.R. i F. Lavapie-Gonzales, 1999. Common and local names of marine fishes of the Philippines. Bureau of Fisheries and Aquatic Resources, Filipines. 385 p.Garpe, K.C. i M.C. Öhman, 2003. Coral and fish distribution patterns in Mafia Island Marine Park, Tanzania: fish-habitat interactions. Hydrobiologia 498: 191-211.Herre, A.W.C.T., 1953. Check list of Philippine fishes. Res. Rep. U.S. Fish Wild. Serv., (20): 977 p.Herre, A.W.C.T. i A.F. Umali, 1948. English and local common names of Philippine fishes. U. S. Dept. of Interior and Fish and Wildl. Serv. Circular Núm. 14, U. S. Gov't Printing Office, Washington. 128 p.Khalaf, M.A., 2005. Fish fauna of the Jordanian Coast, Gulf of Aqaba, Red Sea. Journal of King AbdulAziz University-Marine Sciences. Vol. 15.Kuiter, R.H. i T. Tonozuka, 2001. Pictorial guide to Indonesian reef fishes. Part 3. Jawfishes - Sunfishes, Opistognathidae - Molidae. Zoonetics, Austràlia. 623-893.Kulbicki, M., J.E. Randall i J. Rivaton, 1994. Checklist of the fishes of the Chesterfield Islands (Coral Sea). Micronesica 27(1/2): 1-43.Kunzmann, A., J.E. Randall i I. Suprihanto, 1998. Checklist of the shore fishes of the Mentawai Islands, Nias Island and the Padang region of West-Sumatra. Naga ICLARM Q. 22(1):4-10.Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro i K. Pothin, 2004. An updated checklist of the marine fish fauna of Reunion Island, south-western Indian Ocean. Cybium 28(3):199-216.Lieske, E. i R. Myers, 1994. Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Harper Collins Publishers, 400 p.Mohsin, A.K.M. i M.A. Ambak, 1996. Marine fishes and fisheries of Malaysia and neighbouring countries. University of Pertanian Malaysia Press, Serdang, Malàisia. 744 p.Monkolprasit, S., S. Sontirat, S. Vimollohakarn i T. Songsirikul, 1997. Checklist of Fishes in Thailand. Office of Environmental Policy and Planning, Bangkok, Tailàndia. 353 p.Nguyen, N.T. i V.Q. Nguyen, 2006. Biodiversity and living resources of the coral reef fishes in Vietnam marine waters. Science and Technology Publishing House, Hanoi.Pereira, M.A.M., 2000. Preliminary checklist of reef-associated fishes of Mozambique. Maputo, Ministry for the Coordination of Environmental Affairs (MICOA). 21 pp.Randall, J.E., 2001. Acanthuridae. Surgeonfishes (tangs, unicornfishes). p. 3653-3683. A: K.E. Carpenter i V. Niem (editors). FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles.. FAO, Roma.Shao, K.-T., J.-P. Chen, P.-H. Kao i C.-Y. Wu, 1993. Fish fauna and their geographical distribution along the western coast of Taiwan. Acata Zoologica Taiwanica 4(2): 113-140.Wass, R.C., 1984. An annotated checklist of the fishes of Samoa. Natl. Ocean. Atmos. Adminis. Tech. Rept., Natl. Mar. Fish. Serv., Spec. Sci. Rept. Fish. (781).White, A. i H. Calumpong, 1993. Saving Tubbataha Reef: Earthwatch expedition to the Philippines '92. Silliman J. 36(2):77-105.Winterbottom, R. i R.C. Anderson, 1997. A revised checklist of the epipelagic and shore fishes of the Chagos Archipelago, Central Indian Ocean. Ichthyol. Bull. Smith. Inst. (66):1-28.Zajonz, U., M. Khalaf i F. Krupp, 2000. Coastal fish assemblages of the Socotra Archipelago. p.127-170. A Conservation and sustainable use of biodiversity of Socotra Archipelago: marine habitat, biodiversity and fisheries surveys and management. Progress Report of Phase III. Senckenberg Research Institute and Natural History Museum, Frankfurt, Alemanya.

Costums És bentopelàgic i principalment diürn.Mundy, B.C., 2005. Checklist of the fishes of the Hawaiian Archipelago. Bishop Museum Bulletins in Zoology. Bishop Mus. Bull. Zool. (6):1-704.

Observacions És inofensiu per als humans i gens verinós.

Referències

Bibliografia Anònim, 2000. Base de dades de la col·lecció de peixos del J.L.B. Smith Institute of Ichthyology, Grahamstown, Sud-àfrica. J.L.B. Smith Institute of Ichthyology, Grahamstown, Sud-àfrica.

Borden, W.C., 1998. Phylogeny of the unicornfishes (Naso, Acanthuridae) based on soft anatomy. Copeia (1):104-113. Dayton, C., A.C. Santayana i J.M. Lacson, 1994. Genetic evidence for reproductive isolation of the recently described unicornfish Naso caesius and its sibling Naso hexacanthus. Mar. Biol. 118:551-554. Thresher, R.E., 1984. Reproduction in reef fishes. T.F.H. Publications, Inc. Ltd., Neptune City, Nova Jersey, Estats Units. 399 p.

Enllaços externs

AQUATAB

hexacanthus