- Photo. (c) 2022 Chris Mason-Parker
Dorsal spines: 8; Dorsal rays: 9; Anal spines: 2; Anal rays: 8.
Small cardinal fish with moderately elongate body.
Colour. Whitish base colour with 5 poorly defined dark stripes. Midlateral stripe ending in a distinct black spot, about size of the pupil, at caudal fin
base. The 5th stripe extends onto the base of the anal fin. All 5 stripes narrower than interspaces. Pink to violet to tinge to the fins.
Maturity: Unknown. Max length: 11.0 cm TL.
Habitat and Ecology:
Inhabits seaward reefs, reef crests and drop offs (depth 6-65 m). Shelters in crevices and under ledges during the day. Usually solitary or in small
groups. Feeds on small invertebrates.
This species is not protected or subject to fishery regulations. It is not subject to the artisanal fishery.
Easily confused with Ostorhinchus cookii, which has an incomplete stripe originating at the upper rear corner of the eye.
Bray, D.J. (2020). Ostorhinchus angustatus in Fishes of Australia, https://fishesofaustralia.net.au/home/species/4464 (30/08/22).
Froese, R. & D. Pauly. (Eds.) (2022). FishBase. https://www.fishbase.de/summary/Ostorhinchus-angustatus.html (30/08/22).
Smith, M. & Heemstra, P. (Eds.) (1999). Smiths’ Sea Fishes Edition 6. Springer-Verlag Berlin Heidelberg 10.1007/978-3-642-82858-4
Mason-Parker, C. & Nevill, J.E.G. (2022). Ostorhinchus angustatus, Broadstriped cardinalfish. Seychelles Seatizens. www.seatizens.sc. https://seatizens.sc/species/ostorhinchus-angustatus-smith-radcliffe-1911/