
Yellowstriped cardinalfish
Ostorhinchus cyanosoma
Clustered under ledges by day, out for plankton at dusk.
The Yellowstriped cardinalfish (Ostorhinchus cyanosoma) is a tropical marine fish of the family Apogonidae. It lives on and around reefs, between 1 and 50 m deep. Adults grow to about 6.5 cm; the largest on record measured 8 cm (total length). In the aquarium it needs a tank at least 60 cm long and water at 23–27 °C.
- Size
- 6.5 cm
- Smallest tank
- 60 cm
- Temperature
- 23–27 °C
- Care
- Easy
In the aquarium
Temperature23–27 °C
pH7.8–8.5
- Temperament
- Peaceful
- Diet
- Carnivore
- Activity
- Calm
- Water layer
- Mid water
- Group
- Happiest in a group of 5 or more
- Coral
- Reef safe
These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.
Which tank it fits
- Nano60 cm · 65 litres9 of them
- Standard90 cm · 180 litres25 of them
- Wide120 cm · 300 litres42 of them
- Living room180 cm · 650 litres92 of them
- Showcase250 cm · 1,200 litres171 of them
- Gallery300 cm · 1,440 litres205 of them
Who it lives with
Gets along89 species
- Percula clownfish
- Green chromis
- Yellowtail damselfish
- Azure damselfish
- Cherub angelfish
- Sixline wrasse
- Carpenter's flasher wrasse
- Purple firefish
- Court jester goby
- Tailspot blenny
- Royal gramma
- Falco hawkfish
- Mandarinfish
- Scooter dragonet
- Talbot's damselfish
- Orchid dottyback
- Swissguard basslet
- Chalk bass
- Banggai cardinalfish
- Pajama cardinalfish
- Clownfish
- Springer's damselfish
- Yellow watchman goby
- Fire goby
Caution1 species
Narrow shared temperature range
Not together9 species
In the wild
- Water type
- Marine
- Climate zone
- Tropical
- Habitat
- Coral and rocky reefs
- Largest on record
- 8 cmtotal length
- Aquarium trade
- Traded commercially
Depth
surface
1 m50 m
Conservation status
Classification
- OrderGobiiformes
- FamilyApogonidae
- GenusOstorhinchus
- SpeciesOstorhinchus cyanosoma
In other languages
- German
- Goldstreifen-Kardinalbarsch
- French
- Apogon à rayures jaunes
- Italian
- Pesce cardinale lineato giallo
- Japanese
- アカホシキンセンイシモチ
- Chinese
- 金帶鸚天竺鯛
Quick answers
- Yellowstriped cardinalfish size: how big does it get?
- Adults reach about 6.5 cm. The largest on record measured 8 cm (total length). Record sizes among the 12 Ostorhinchus species on LumaReef: 4.5 cm (Redspot Cardinalfish) to 15 cm (Norfolk Cardinalfish).
- Yellowstriped cardinalfish tank size: what is the minimum?
- A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
- Yellowstriped cardinalfish water parameters: what does it need?
- Temperature 23–27 °C, pH 7.8–8.5.
- Yellowstriped cardinalfish tank mates: what can it live with?
- It gets along with 89 of the 99 reef species in the catalogue, such as Percula clownfish, Green chromis, and Yellowtail damselfish.
- Yellowstriped cardinalfish: alone or in a group?
- Keep at least 5 together.
- Yellowstriped cardinalfish and corals: is it reef safe?
- Yes, it leaves corals alone.
- Yellowstriped cardinalfish depth: how deep does it live?
- In the wild, 1 to 50 m down. Close to most Ostorhinchus on LumaReef (2–37 m).
Similar species
Sources
Yellowstriped cardinalfish: compiled from these references.









