Chaetodon punctatofasciatus Cuvier, 1831
Spotband butterflyfish
Chaetodon punctatofasciatus
photo by Muséum-Aquarium de Nancy/B. Alenda

Family:  Chaetodontidae (Butterflyfishes)
Max. size:  12 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 45 m
Distribution:  Indo-Pacific: Christmas Island in the eastern Indian Ocean to the Line Islands, north to the Ryukyu Islands, south to Rowley Shoals and the northern Great Barrier Reef; throughout Micronesia. Replaced by Chaetodon guttatissimus in the Indian Ocean (Ref. 37816).
Diagnosis:  Dorsal spines (total): 13-14; Dorsal soft rays (total): 22-25; Anal spines: 3-3; Anal soft rays: 17-18. Overall color is brownish yellow with vertical rows of spots forming bands on the upper portions of the sides. A black-edged orange bar runs across the eye. The posterior edge of the caudal fin is transparent. Caudal peduncle is bright orange (Ref. 4855). Snout length 2.7-4.1 in HL. Body depth 1.6-1.8 in SL (Ref. 90102).
Biology:  Common in coral rich areas and clear waters of lagoon and seaward reefs. Sometimes found on outer subtidal reef flats (Ref. 1602). Juveniles secretive (Ref. 48636). Feed on filamentous algae, corals, and benthic invertebrates. Often in pairs during breeding (Ref. 205), monogamous (Ref. 52884). Oviparous (Ref. 205). Occasionally hybridize with C. pelewensis in the southern part of its range (Ref. 9710). Minimum depth reported taken from Ref. 128797.
IUCN Red List Status: Least Concern (LC); Date assessed: 07 October 2009 Ref. (126983)
Threat to humans:  harmless
Country info:  Known from Angaur (Ref. 40521). Found in the following southwest islands: Tobi, Helen Reef, Merir, Pulo Anna, Sonsorol, and Fanna (Ref. 99878).

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