The Moluccen Cardinal – Ostorhinchus monospilus is a small, striking fish species found in the tropical waters of the Indo-Pacific region. This cardinalfish, with its distinctive coloration and behavior, has fascinated both scientists and aquarists alike.
Description & Characteristics
The Ostorhinchus monospilus boasts a slender body that can reach a maximum size of 7.8 cm. It is instantly recognizable by its vibrant red coloration, which is accented by a series of white blotches or spots along its flanks. The fish’s head is relatively small, featuring a prominent, slightly upturned mouth, a pair of large eyes, and a small, but noticeable, dorsal fin.
Habitat and Occurrence
The Ostorhinchus monospilus thrives in a variety of marine environments, often found at depths ranging from 2.0 to 41.0 meters. This adaptable species prefers areas with coral reefs, rocky outcrops, and seagrass beds, where it can readily find shelter and food. The Ostorhinchus monospilus is particularly common in the Indo-Pacific region, making it a prevalent presence in these aquatic ecosystems.
Taxonomy
The species Ostorhinchus monospilus belongs to the Class: Teleostei, Order: Kurtiformes, and Family: Apogonidae. This classification places the Ostorhinchus monospilus within a diverse group of fishes known for their vibrant colors, slender bodies, and nocturnal habits.
Feeding
The Ostorhinchus monospilus is a carnivorous fish, relying on a diet primarily composed of small invertebrates. Its diet includes amphipods, copepods, daphnia salina, mysis, and zooplankton. This diverse feeding strategy allows the Ostorhinchus monospilus to thrive in its varied habitat, making it a successful and adaptable species.
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