Diplogrammus pauciradiatus, commonly known as the Dwarf Dragonet, is a small, brightly colored fish that belongs to the dragonet family (Callionymidae). It is a fascinating species with distinctive features and a unique ecological role.
Description & Characteristics
Diplogrammus pauciradiatus is a diminutive fish, reaching a maximum size of just 5.0 cm. Its body is elongated and slender, with a slightly compressed profile. Its head is relatively large, and it possesses large, prominent eyes. The coloration of Diplogrammus pauciradiatus is quite striking, with vibrant hues of orange, red, and yellow. This colorful pattern serves as camouflage against the coral reefs and rocky substrates it inhabits, allowing it to blend seamlessly into its surroundings.
Habitat and Occurrence
Diplogrammus pauciradiatus is a marine fish that is primarily found in the Indo-Pacific region. It is a common inhabitant of coral reefs, rocky shores, and seagrass beds, preferring areas with ample cover. Its depth range extends from the shallow intertidal zone to depths of around 50 meters. This species thrives in the tropical and subtropical waters of the Indo-Pacific, encompassing marine zones such as the Red Sea, the Gulf of Oman, and the northern Indian Ocean.
Taxonomy
The species Diplogrammus pauciradiatus belongs to the Class: Teleostei, Order: Callionymiformes, and Family: Callionymidae. This taxonomic placement indicates its close relationship to other dragonets, sharing common characteristics like a flat, elongated body, large eyes, and a distinct dorsal fin.
Feeding
Diplogrammus pauciradiatus is an opportunistic carnivore. Its diet consists mainly of small invertebrates, including crustaceans, worms, and mollusks. It uses its large mouth and protrusible jaws to effectively capture prey. This feeding strategy allows it to play a significant role in the delicate balance of its coral reef and rocky shore ecosystems.
Image References