Ostorhinchus angustatus (Smith & Radcliffe, 1911)
Broadstriped cardinalfish
Dangat,  Suga
photo by Randall, J.E.

Family:  Apogonidae (Cardinalfishes), subfamily: Apogoninae
Max. size:  11 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 6 - 65 m
Distribution:  Indo-Pacific: Red Sea and East Africa (Ref. 2334) to the Line and MangarĂ©va islands, north to Japan, south to New Caledonia.
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 9-9; Anal spines: 2-2; Anal soft rays: 8-8. Whitish with 5 horizontal stripes (brassy to dark brown in color); dark spot at base of middle caudal fin rays; fin rays light red (Ref. 2334). Greatest depth of body 2.7-3.2 in SL (Ref. 90102). Dorsal-fin rays VII-I, 9; anal-fin rays II, 8; pectoral fin rays 14; pelvic fin rays I, 5; pored lateral line scales 24; predorsal scales 4; circumpeduncular scales 12; total gill rakers 19, developed gill rakers 14; body white colored, with five poorly defined dark brown stripes on lateral surface of body, posterior end of third stripe reaching black spot on base of caudal fin; base of caudal fin with spot subequal in size to pupil (Ref. 93839).
Biology:  Commonly found in clear-waters of seaward reefs; on reef crests and slopes, where usually shallow, and along deep drop-offs to 25 m (Ref. 48635). Feeds on polychaetes and other small benthic invertebrates at night; cryptic under ledges or in holes by day (Ref. 1602). Solitary or in small groups (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 05 February 2021 Ref. (130435)
Threat to humans:  harmless
Country info:  Type locality, Malanipa I., east of Zamboanga, Mindanao (Ref. 48635, 93839). Also Ref. 280. In range Ref. 2334. Reported from Tubbataha Reefs (Ref. 53416, 121724). Also recorded from Malanipa Island, east of Zamboanga, Mindanao (Ref. 93839), Nasugbu, Batangas (Ref. 107853) and Davao Gulf (Ref. 106380).


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