Ostorhinchus nigrofasciatus

Datasheet

General Description

The Blackstripe Cardinalfish, scientifically known as Ostorhinchus nigrofasciatus, belongs to the Apogonidae family and is commonly referred to as "Black-striped cardinalfish." This species is typically found in the East Indian Ocean, West Indian Ocean, Australia, The Red Sea, Indonesia, and various parts of the Pacific Ocean, including the Central/West Pacific.

Aquarium Suitability

With a hardiness rating of "Hardy" and a temperament described as "Docile," the Blackstripe Cardinalfish is considered suitable for most aquarium setups. However, it is crucial to note that they are known to be a threat to small crustaceans like shrimp, making them somewhat incompatible with such tank inhabitants.

Demands, Care, and Hardiness

These cardinalfish are relatively shy and docile, requiring careful consideration when housed with more aggressive tankmates. They thrive in environments with good hiding spots, such as live rocks, as they tend to seek shelter during the day. The species is hardy, with optimal water conditions including a temperature range of 22.2-25.6°C, a pH of 8.1-8.4, and a specific gravity of 1.020-1.025.

Reef Suitability

The Blackstripe Cardinalfish is known to be reef-safe, making it a compatible choice for reef aquariums without posing a threat to coral or other reef organisms.

Aquarium Setup

To cater to the needs of the Blackstripe Cardinalfish, a minimum tank size of 100 liters is recommended. Providing ample hiding places, such as live rocks, is essential for the well-being of these fish. They tend to thrive best when housed without other members of the same species in the aquarium.

Behaviour

These cardinalfish have a large mouth and a hearty appetite, primarily feeding on larger crustaceans like shrimp and crabs. In captivity, they readily consume a varied diet consisting of small crustaceans such as krill, mysis, and artemia. While typically peaceful towards other fish, they may engage in territorial disputes if space or food is limited.

Feeding and Diet

Blackstripe Cardinalfish have a diverse diet that includes Artemia, Mysis, and krill. In aquarium settings, they are opportunistic feeders and will consume a variety of foods. It is essential to ensure a balanced diet to meet their nutritional requirements and promote their well-being.

Dimorphism

If covered: The dimorphism and captive reproduction of the Blackstripe Cardinalfish, although not specified in the provided information, could potentially involve differences in coloration or size between males and females, along with insights into successful breeding techniques in a controlled aquarium environment.

Habitat and Distribution

Natively found in the Indo-Pacific region, the Blackstripe Cardinalfish inhabits areas ranging from the Red Sea and Christmas Island in the Indian Ocean to the Tuamoto Islands in the Pacific. Its distribution extends from southern Japan in the north to New Caledonia and Rapa in the south, with sightings in the western Indian Ocean, notably Mozambique.