The Lace-finned Rock-cod, Speckled-fin Rockcod, Speckled-finned Rock-cod, Specklefin Rockcod, Speckle-finned Cod, Wavy-lined Rock-cod, White-speckled Grouper, White-spotted Rock-cod, Whitestreaked Grouper, White-streaked Grouper, Specklefin Grouper, scientifically known as Epinephelus ongus, is a fish species belonging to the grouper family. This fish is a relatively small species, typically reaching a maximum size of 40.0 cm.
Description & Characteristics
Epinephelus ongus is characterized by its distinct coloration and fin patterns. Its body is typically a pale brown, sometimes with a yellow tinge, and features numerous white spots. The fins, particularly the dorsal and pectoral fins, are speckled with white, hence the common name “Speckled-fin Rockcod.” Its body also features wavy lines, earning it the name “Wavy-lined Rock-cod.” The specific arrangement and size of the spots and lines can vary between individuals.
Habitat and Occurrence
Epinephelus ongus is typically found in the marine zones, preferring depths between 20.0 and 60.0 meters. This species is known to inhabit areas with rocky reefs and crevices, using these structures for shelter and camouflage. The Lace-finned Rock-cod, Speckled-fin Rockcod, Speckled-finned Rock-cod, Specklefin Rockcod, Speckle-finned Cod, Wavy-lined Rock-cod, White-speckled Grouper, White-spotted Rock-cod, Whitestreaked Grouper, White-streaked Grouper, Specklefin Grouper’s distribution is primarily concentrated in the areas, making it a prevalent presence in these aquatic ecosystems.
Taxonomy
The species Epinephelus ongus belongs to the Class: Teleostei, Order: Perciformes, and Family: Serranidae. This classification places it among the ray-finned fishes, a diverse group with a wide range of species, and within the perch-like fishes, a group known for their spiny dorsal fins. Serranidae, the grouper family, encompasses a variety of species, many of which are commercially important.
Feeding
Epinephelus ongus is a carnivorous fish with a diet consisting primarily of crustaceans and small fish. It is known to feed on a variety of crustaceans, including mysis, shrimps, and schrimps. The fish’s diet also includes a variety of small fishes, which it hunts and captures within its rocky habitat. In captivity, Epinephelus ongus has been known to accept larger frozen food items.
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