Scientific Name	Pygoplites diacanthus   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	(Boddaert, 1772)	Depth	1 - 48M
Chinese	雙棘甲尻魚	Poisonous Fish	No
Family_Chinese	蓋刺魚科	Economic Fish	No
Family	F394　Pomacanthidae	Edible Fish	No	Chinese In Mainland China	雙棘甲尻魚
Max Length	25 cm	Aquarium Fish	Yes	Common Name	皇帝、帝王神仙魚、錦紋蓋刺魚、蓋刺魚(臺東)、店窗(澎湖)、變身苦(澎湖)、崁鼠(澎湖)
Distribution in World	India Ocean to Pacific Ocean	Distribution in Taiwan	East、South、North、ShaoLiuChew、LanI Is.、Greeb IS.、Tung Sa IS.、Nan Sa IS.
Habitats	Coral、Coastal、Lagoon	Holotype Locality	Ambon I., Moluccas Is., Indonesia
Synonyms	Chaetodon diacanthus, Holacanthus diacanthus
Reference	臺灣魚類誌(沈等, 1993)  沈世傑 編 Shih-Chieh Shen ed. 1993
Specimen List	ASIZP0054120. ASIZP0054143. ASIZP0055137. ASIZP0058139. ASIZP0058738. ASIZP0070114. ASIZP0076285. ASIZP0076286. ASIZP0076347. ASIZP0076348. ASIZP0076349. ASIZP0076350. ASIZP0076704. ASIZP0804415. ASIZP0914415. BPBMI23398. NMMBP01025. NMMBP06232. NMMSTP00055. NTMP0088. NTMP0513. NTUM00419. NTUM00420. NTUM00426. NTUM00428. NTUM00430. NTUM00431. NTUM00708. NTUM04800. NTUM04802. NTUM04803. NTUM04804. NTUM04805. NTUM08022.
Barcode	2012-01-15,柯慧玲,CO1,100%
Common Name	Royal angelfish; Royal empress angel; Royal empress angelfish; Regal angelfish; Regal angelfish pasific; Angelfish; Bluebanded angelfish; Empress angelfish
Redlist Status	Not in IUCN Redlist
Characteristic	Body moderately elongate, and strongly compressed. Preorbital bone convex and without strong spines. 1 prominent spines at angle of preopercle. Ventral edge of interopercle smooth. Eye moderately small. Mouth small, terminal, protractile, gape not extending to anterior rim or orbit. Dorsal fin with XIV spines and 17 or 18 soft rays; anal fin with III spines and 17-18 soft rays; caudal fin rounded. Body with alternating dark-edged bluish white and orange stripes which narrow and angle backward in dorsal fin; posterior portion of dorsal fin black with close-set blue dots; posterior portion of anal fin with alternating yellow and blue bands running parallel to body contour; caudal fin yellow. Juveniles with a large ocellated dark spot on basal portion of the soft dorsal fin.
habitats	Occurs in coral rich areas of lagoon and seaward reefs to a depth of 48 m or more. Often found in the vicinity of caves and feeds on sponges and tunicates. Solitary or in pairs, or in groups.
Distribution	Distributed from the Red Sea throughout the Indian Ocean, eastward across the southern Pacific Ocean to the Tuamotu Archipelago, northward to the Ryukyu Islands. Widely around coral reefs in Taiwan.
Utility	Marine aquarium fish.