Cheilodipterus novemstriatus (Rüppell, 1838)
Indian Ocean twospot cardinalfish
Cheilodipterus novemstriatus
photo by Field, R.

Family:  Apogonidae (Cardinalfishes), subfamily: Apogoninae
Max. size:  8 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 1 - 10 m
Distribution:  Western Indian Ocean: Red Sea, Gulf of Oman, and the Persian Gulf.
Diagnosis:  Color in life silvery gray with 4 black stripes. 5th stripe runs along anal-fin base, continues anteriorly to pelvic-fin base, at which point it curves upward to reach in front of pectoral-fin base. The part of this stripe anterior to anal-fin base is often indistinct. A black oval spot at middle of caudal peduncle encircled by a yellow area. A distinct black spot on dorsal surface of caudal peduncle. Area between yellow pigment and this spot appears as distinct white mark. Fins pale (Ref 8525).
Biology:  Common in shallow protected water, sheltering among the spines of Diadema sea-urchins in groups of up to about 30 individuals (number depends on the size of the urchin and the length of the fish).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:  Based on Photo by J.E. Randall. Nuweiba. Remark: N of Nuweiba.

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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