Coradion calendula Matsunuma, Motomura & Seah, 2023
Orange-tailed coralfish

Family:  Chaetodontidae (Butterflyfishes)
Max. size:  15.78 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 11 - 128 m
Distribution:  Indo-West Pacific: Australia.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 28-32; Anal spines: 3-3; Anal soft rays: 20-22. This species can be distinguished from its congeners by the following set of characters: D IX, 28-32 (mode 29); A III, 20-22 (mode 21); a single ocellated spot on soft-rayed portion of dorsal fin; absence of ocellated spot on anal fin; band on caudal peduncle usually orange when fresh (obscured in preserved specimens) with a short, saddle-like, blackish dorsal streak; a sharply pointed pelvic fin with an nearly straight posterior contour when spread (most obviously in large specimens >10 cm SL); presence of dark band on each interopercle joining on ventral midline with anterior margins forming a sharply pointed "V" in ventral view (Ref. 128188).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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