Pseudochromis matahari Gill, Erdmann & Allen, 2009
Sunburst Dottyback
Pseudochromis matahari
photo by Allen, G.R.

Family:  Pseudochromidae (Dottybacks), subfamily: Pseudochrominae
Max. size:  4.47 cm SL (male/unsexed)
Environment:  benthopelagic; marine
Distribution:  Western Pacific: Indonesia.
Diagnosis:  Dorsal spines (total): 3-3; Dorsal soft rays (total): 26-26; Anal spines: 3-3; Anal soft rays: 16-16. This species is distinguished from all other pseudochromines by the following characters: D III,26; A III,16; anal-fin spines are moderately slender and weakly pungent, the second spine only slightly stouter than the third; lower lip is weakly interrupted at symphysis; circumpeduncular scales 16. Colouration: when alive the head is orange-brown, becoming bright yellow on lower part of operculum; posterior and ventral part of the orbital rim bright yellow, edged posteriorly and ventrally by purple-blue arc; scales of cheek are indistinctly edged with mauve; body orange-brown, darker on the scale-edges, becoming bright yellow on breast and pectoral-fin base, bright red on abdomen and above anterior anal fin, then dark purplish red on caudal peduncle; dorsal fin is golden to orange-brown anteriorly, becoming reddish brown posteriorly, with reddish brown distal margin; middle of soft portion of fin with 1-3 rows of short, dark reddish brown streaks; anal fin dark reddish brown, becoming golden brown over the spinous portion of fin, with grey distal margin; caudal fin is dark reddish grey basally, abruptly greyish hyaline on distal third of fin, with grey distal margin (Ref. 80681).
Biology:  Solitary under large Xestospongia barrel sponges on gradual, current-swept reef slopes in 32-45 m, sometimes in pairs (Ref 90102).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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