Orange Lined Cardinalfish – Ostorhinchus properuptus
The Orange Lined Cardinalfish, Ostorhinchus properuptus, is an attractive western Pacific reef fish recognised by its warm yellow-orange body and narrow silver or pale blue-grey horizontal stripes. Also known as the Southern Orange-lined Cardinalfish or Coral Cardinalfish, it inhabits clear coastal reefs, outer reef habitats and sheltered areas containing coral, rock and boulders. This peaceful cardinalfish usually remains close to reef structure during the day and becomes more active under subdued lighting as it searches for zooplankton and small crustaceans. Its compact size, gentle temperament and excellent coral compatibility make it a suitable choice for established peaceful reef aquariums.
Key Features
| Feature | Description |
|---|---|
| Species | Ostorhinchus properuptus |
| Size | Up to 6 cm (2.4 in) |
| Habitat | Clear coastal reefs, outer reef areas, sheltered zones with coral, rock, and boulders |
| Temperament | Peaceful, non-aggressive |
| Activity Pattern | Diurnal, more active under subdued lighting |
| Feeding | Zooplankton and small crustaceans |
FAQ
What is the typical size of an Orange Lined Cardinalfish?
The typical size of an Orange Lined Cardinalfish is up to 6 cm (2.4 inches).
Is the Orange Lined Cardinalfish suitable for a reef aquarium?
Yes, it is well-suited for established peaceful reef aquariums due to its gentle temperament and compatibility with coral environments.
What kind of lighting does this fish prefer?
The fish becomes more active under subdued lighting and is typically found near reef structures during the day.
Lucas MacDonald –
Added the Orange Lined Cardinalfish to my 50-gallon reef tank last month. It’s very calm and stays close to the rockwork. The fish has a nice coloration and blends well with the coral. Feeds well on planktonic foods. Great addition to a peaceful reef setup.
Colin Peake –
The fish arrived healthy and has been active since setup. It doesn’t disturb other tank inhabitants and stays near the reef walls. I appreciate its natural color and quiet behavior. A good choice for beginners looking to add a peaceful fish.
Joseph Bell –
I’ve had this species for three months now. It’s very easy to care for and doesn’t require much attention. The orange and silver stripes are striking and it looks beautiful in the tank. Perfect for a coral-rich environment.