Caledonian Maskray, New Caledonian Maskray, Coral Sea Maskray – Neotrygon trigonoides

The Caledonian Maskray, New Caledonian Maskray, Coral Sea Maskray – Neotrygon trigonoides is a species of stingray belonging to the family Dasyatidae. This intriguing ray, characterized by its distinctive mask-like markings, is a fascinating inhabitant of the marine world.

Description & Characteristics

Neotrygon trigonoides is a medium-sized ray, with its disc reaching a maximum width of 60 cm. The dorsal surface of the disc, exhibiting a distinctive dark grey color, is adorned with intricate patterns of white spots and blotches. The ventral surface is predominantly white, with the exception of the pectoral fins, which bear a faint grey tint. The tail is relatively short and slender, equipped with a venomous spine located at the base. The overall appearance of the ray, particularly the striking patterns on its dorsal surface, resembles a mask, hence its common name.

Habitat and Occurrence

Neotrygon trigonoides favors sandy seafloors and soft grounds, typically inhabiting the subtidal, sublittoral, infralittoral, and deep zones of the ocean. These zones encompass depths from the lower limit of the intertidal zone to the shelf edge at around 200 meters. It is also considered a neritic species, meaning it is found in the waters over the continental shelf.

Taxonomy

Neotrygon trigonoides belongs to the Class: Elasmobranchii, Order: Myliobatiformes, and Family: Dasyatidae. This classification places it within the diverse group of cartilaginous fishes, characterized by their skeletons made of cartilage rather than bone. The Myliobatiformes order encompasses a wide array of rays and skates, while the Dasyatidae family specifically encompasses the stingrays, which are renowned for their venomous spines.

Feeding

Neotrygon trigonoides is a predatory carnivore, feeding primarily on invertebrates found on the seafloor. These invertebrates, collectively known as zoobenthos, constitute the primary food source for this ray. Its diet might include crustaceans, mollusks, and other small marine animals that inhabit its chosen habitat.