More info
Datasheet
| Minimum Tank Size | 100 litres / 26.42 US gallons |
| Maximum Size | 4.0cm / 1.57inches |
| Reef Compatible | Always reef safe |
| Temperament | Peaceful |
| Temperature | 22.2°C / 71.96°F - 25.6°C / 78.08°F |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description
The Red-spot cardinalfish, scientifically known as Ostorhinchus parvulus, belongs to the Apogonidae family. These fish exhibit various shapes and colors, typically thriving in aquarium environments. With their large mouths and hearty appetite, they primarily feed on Artemia, Mysis, and krill, but in captivity, they are known to consume a variety of foods. They are generally peaceful but may show aggression towards each other if space or food is limited.
Aquarium Suitability
Red-spot cardinalfish are suitable for most aquarium setups, provided there is ample space for them to hide and swim. It is advisable to keep them in small shoals as they thrive in the company of their own kind. Additionally, they are known to be nocturnal and will often seek shelter during the day, making hiding spots essential in their tank.
Care and Hardiness
These fish have average hardiness levels and require a tank size of at least 100 liters. Maintaining hiding places, such as live rocks, is crucial for their well-being. They prefer water conditions with a pH ranging from 8.1 to 8.4, a specific gravity between 1.020 and 1.025, a temperature between 22.2°C to 25.6°C, and a carbonate hardness (KH) between 8 to 12.
Reef Suitability
Red-spot cardinalfish are considered reef-safe and can coexist with corals and other invertebrates in a reef aquarium without causing harm.
Aquarium Setup
When setting up an aquarium for Red-spot cardinalfish, ensure there are ample hiding spots like live rocks to mimic their natural habitat. A tank size of at least 100 liters is recommended, with stable water parameters to ensure their well-being.
Behaviour
These fish exhibit peaceful behavior towards other tank mates but may engage in territorial disputes among themselves if space is limited. They are most active during the night and tend to hide in sheltered areas during the day.
Feeding and Diet
The diet of Red-spot cardinalfish primarily consists of small crustaceans such as Krill, Mysis, and Artemia. They also enjoy consuming zooplankton like Cyclops and pods. Providing a varied diet will help maintain their health and vibrancy in captivity.
Dimorphism
Red-spot cardinalfish do not exhibit significant dimorphism, and in captivity, they have been known to breed successfully in breeding tanks, making them a potential candidate for aquarists interested in captive reproduction.
Habitat and Distribution
These fish are native to the Western Pacific region, specifically found in the East Indian Ocean, Australia, Japan, Indonesia, and parts of the Central/West Pacific. In the wild, they inhabit coral reefs and rocky crevices, seeking shelter among SPS corals, anemones, or sea urchin spines.