| Family: |
Chaetodontidae (Butterflyfishes) |
| Max. size: |
10.13 cm SL (male/unsexed) |
| Environment: |
reef-associated; marine; depth range - 172 m |
| Distribution: |
Western Pacific: Mariana Is., Guam. |
| Diagnosis: |
Dorsal spines (total): 11-11; Dorsal soft rays (total): 21-22; Anal spines: 3-3; Anal soft rays: 16-17; Vertebrae: 24-24. This species is distinguished from its congeners by the following set of characters: pored lateral-line scales 36-43; distal portion of the outer branch of first pelvic-fin soft ray a long filament, extending considerably from posterior contour of fin, first soft ray length 119%-123% of second ray; no black blotch on membranes associated with the first and second dorsal-fin spines; upper jaw naked, scaleless; pelvic-fin spine and first soft ray broadly whitish, and the remaining portions of fin black (in preserved specimens); the second black body band crossing pectoral-fin base, with no pale narrow interrupting lines; ocellated spot on dorsal-fin soft-rayed portion is more circular than oval, ratio of long axis/short axis of blotch 1.2-1.3 (Ref. 126057). |
| Biology: |
|
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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