Acanthurus nigricauda Duncker & Mohr, 1929 Epaulette surgeonfish |
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Blackstreak surgeonfish Indangan, Saplan, Bagis, Dabahita, Gurisan, Komang, Labahita, Pilo-pilo, Pugpugot, Saging-saging, Samarel, Tudlo-an, |
photo by
Greenfield, J. |
Family: | Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae | |||
Max. size: | 40 cm TL (male/unsexed) | |||
Environment: | reef-associated; depth range 1 - 30 m | |||
Distribution: | Indo-Pacific: East Africa, including the Mascarene Islands (Ref. 37792) to the Tuamoto Islands, north to Ryukyu Islands, south to southern Great Barrier Reef. Not occurring in the Red Sea. | |||
Diagnosis: | Dorsal spines (total): 9-9; Dorsal soft rays (total): 25-28; Anal spines: 3-3; Anal soft rays: 23-26. Color in life dark brown without lines on body or spots on head (one phase is purplish grey); horizontal black band behind upper gill opening absent on juveniles <6 cm SL; elongate purple band may be present anterior to dorsal origin; caudal fin brown; outer third of pectoral fin pale. Species with gizzard-like stomach. Description: Characterized further by having white bar at base of caudal fin; length of caudal spine 2.8-4.5 in head length; greatest depth of body 2.0-2.2 in SL (Ref. 90102). | |||
Biology: | Occurs in clear lagoon and seaward reefs around isolated coral heads. Solitary or in small groups (Ref. 90102). Feeds on Prefers sandy bottoms of bays and lagoons rather than the coral reefs like most other Acanthuridae. The species is sometimes poisonous (Ref. 4795). Caught with nets (Ref. 30573). | |||
IUCN Red List Status: | (Ref. 96402) | |||
Threat to humans: | poisonous to eat | |||
Country info: | Known from Sorsogon City (Ref. 58652), Bongo Island and Paril-Sangay Protected Seascape, Moro Gulf (Ref. 106380). Recorded from (San Luis, Bauan, Mabini, Lobo, San Juan) Batangas, between 3-7 m deep from Feb. - April 2014 (Ref. 107629). Museum: Western Calatagan, Batangas, UPZM 5438. Also Ref. 1920, 37792, 48613, 53416. |
Entered by: Capuli, Estelita Emily - 26.11.91 |
Modified by: Valdestamon, Roxanne Rei - 20.10.14 |
Checked by: Capuli, Estelita Emily - 27.08.94 |