Facts

Latin name Ostorhinchus angustatus - (Smith & Radcliffe, 1911)
Common name Broadstriped cardinalfish
Family Apogonidae - Ostorhinchus
Origin East Indian Ocean, West Indian Ocean, Australia, The Red Sea, Indonesia, East Pacific, Central/West Pacific
Max length 11.0 cm (4.3")

As aquarium fish

Minimum volume 100 l (26 gal)
Hardiness Hardy
Suitable for aquarium Suitable for most aquarium
Reef safe Reef safe with caution
Aggressiveness Docile but might be aggressive towards similar species

Food

Mostly
  • Larger crustaceans (Shrimp, crabs...)
Recommended
  • Small crustaceans (Krill, mysis, artemia...)

Can be a threat to smaller fish and shrimps

This species may eat small fish and especially small shrimps, there are, however, some aquarists who manage to get them to coexist just fine.

Thrive best on their own

These fish flourish better without other members of the same species in the aquarium.

Docile

This species is very shy and docile, so one should be careful when keeping it with more aggressive fish.

Hiding places

This species needs good hiding places, for example, between live rocks.

Formerly classified as Apogon

Species are sometimes reclassified. This species was formerly classified as a member of the Apogon genus.

Family description (Apogonidae)

Cardinalfish come in many different shapes and colours, generally they are well suited for aquaria.

Cardinalfish have a large mouth and a big appetite, take this into account with feeding  the other fish. These fish typically live off of Artemia, Mysis and krill. In the aquarium they will eat anything they can.

They will sometimes eat small shrimps and fish, so do be aware of this, but it is not normally a problem.

It is possible to keep several species together, if space allows. Some species will form  small shoals. They are normally peaceful towards other fish, but will sometimes fight among themselves if there isn't sufficient space or food.

Many species are nocturnal and will therefore often seek a hiding place during the day. This can be between stones, SPS corals and, in some cases, in an anemone and between spines of Sea urchins.

Cardinalfish are a good choice if ones wishes to attempt to start a breeding tank.

FishBase

Aquarium trade Unknown
Distribution Indo-Pacific: Red Sea and East Africa (Ref. 2334) to the Line and Mangaréva islands, north to Japan, south to New Caledonia.
English common names Narrow-striped cardinalfish, Broadstriped cardinalfish, Broadstriped soldierfish, Broad-striped cardinalfish, Broadstripe cardinalfish
French common names Apogon rayé

References and further reading

About references

Scott W. Michael. 2001. Basslets, Dottybacks & Hawkfishes: v. 2 (Reef Fishes) - TFH Publications / Microcosm Ltd. - (English)
Bob Fenner. Cardinalfishes, Family Apogonidae, Pt. 1Pt. 2 - Wet Web Media - (English)

Froese, R. and D. Pauly. Editors. 2014. FishBase. World Wide Web electronic publication. www.fishbase.org, version (08/2014).

Tags

docile shy, eats shrimp, eats fish, cardinal
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