The Brassy Cardinalfish (Ostorhinchus flavus) is a small, colorful fish species found in the Indo-Pacific region.
Description & Characteristics
Ostorhinchus flavus can grow up to a maximum size of 9.6 cm. These fish are easily recognizable by their vibrant yellow or brassy-colored bodies, a characteristic that gives them their common name. They possess a distinctive slender and elongated body shape. Their fins are typically transparent with a slight reddish tinge.
Habitat and Occurrence
Brassy Cardinalfish (Ostorhinchus flavus) can be found in a depth range of 10.0 to 25.0 meters. They are often observed in coral reefs, making them a common sight in these underwater ecosystems. Their presence is a sign of a healthy reef environment, suggesting a balanced and thriving marine ecosystem.
Taxonomy
The Brassy Cardinalfish (Ostorhinchus flavus) belongs to the family Apogonidae, which includes the cardinalfishes. This family is part of the order Kurtiformes, a group of primarily marine fish. The cardinalfishes are further classified under the Class Teleostei, which comprises the vast majority of bony fishes.
Feeding
Ostorhinchus flavus is an opportunistic carnivore. Its diet consists of a variety of small invertebrates, including zooplankton, amphipods, copepods, and Daphnia salina. These small organisms provide essential nutrients for the Brassy Cardinalfish, enabling them to thrive in their environment.
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