SOLITARY ISLANDS
UNDERWATER
RESEARCH GROUP, INC.

Ostorhinchus angustatus (Smith and Radcliffe, 1911)
(Smith and Radcliffe, 1911)

Common Name: Broadstripe Cardinalfish

Distribution: Uncommon in the Solitary Islands Marine Park. Distributed throughout the Indo-Pacific region: Red Sea and East Africa to the Line Islands, north to Japan, south to New Caledonia. In Australia recorded from Shark Bay in Western Australia, across the tropical north to Torres Strait, south through Queensland to northern New South Wales.

Ecological Notes: Frequents clear waters of seaward reefs and channels, and along deep drop-offs. Depth from 6 – 65 m, usually to 25 m. 

Additional Notes: Pale background with pinkish fins and five full dark stripes, with mid stripe ending in diffuse black spot on tail base. Usually solitary or in small groups, is cryptic under ledges and in holes by day, coming out to feed at night on polychaetes and other small invertebrates. Grows to 11 cm.

References: R. Stuart-Smith, G. Edgar, A. Green, I. Shaw, Tropical Marine Fishes of Australia. Reed New Holland Publishers, 2015. p.124.

Atlas of Living Australia website at https://bie.ala.org.au/search?q=ostorhinchus+angustatus. Accessed 19/06/18.

FishBase. Froese, R. and D. Pauly. Editors. 2018. World Wide Web electronic publication. https://www.fishbase.de/summary/Ostorhinchus-angustatus.html. Accessed 19/06/18.