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Naso lopezi Herre, 1927 Elongate unicornfish |
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| Elongate unicornfish, Surahan, Ambaw-ambaw, Bagis, Bakwak, Dangit, Gangis, Indangan, Isdang ilong, Kalditan, Kumay, Labahita, Ludlo-an, Mangadlit, Mungit, Pali, Pulang ikog, Salinkupau, Silanis, Sorahan, Sunghan, Surahan, Tudlo-an, Tudluan, Uwakon, Yapot | ||
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photo by
Honeycutt, K. |
| Family: | Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Nasinae | |||
| Max. size: | 60 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 20 - 50 m | |||
| Distribution: | Western Pacific: southern Honshu, Japan to the Great Barrier Reef and New Caledonia. Reported from the Similan Islands in the Andaman Sea and Guam. Recently recorded from Tonga (Ref. 53797). | |||
| Diagnosis: | Dorsal spines (total): 5-5; Dorsal soft rays (total): 27-30; Anal spines: 2-2; Anal soft rays: 26-30. Lacks a horn, has numerous black close-set spots on the upper half of its body and tail, and is white ventrally. Body elongate, its depth 3.3 to 3.7 times in SL (Ref 9808). Description: Characterized further by bluish grey body color, sometimes displays large whitish patch on side in area around pectoral fin; males assumes dark anterior body during courtship displays; caudal peduncle with pair of bony keels on caudal peduncle, without projecting points (Ref. 90102). | |||
| Biology: | Inhabits coastal to outer reef slopes subject to strong currents. Sometimes in large schools (Ref. 48637). Generally uncommon species found in steep outer reef drop-offs (Ref. 9710). Usually found in waters deeper than 6 m. Feeds on zooplanktons (Ref. 90102). Solitary or in groups (Ref. 37816). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 06 May 2010 Ref. (130435) | |||
| Threat to humans: | harmless | |||
| Country info: | Known from Puerto Princesa, Palawan (Ref. 58652), Lanuza Bay (Ref. 104756) and Sarangani Bay (Ref. 106380). Also Ref. 1602, 37792, 48613, 53416, 121724. | |||