Mustelus antarcticus, commonly known as the is a species of houndshark belonging to the family Triakidae. It is a relatively common species, found in various marine ecosystems across the globe.
Description & Characteristics
The is a moderately sized shark, with a maximum recorded size of 157.0 cm. It is characterized by a streamlined body shape, with a pointed snout and large, oval-shaped eyes. The dorsal fins are relatively small, while the anal fin is larger and more prominent. The has a distinctive coloration, with a dark gray to brown dorsal surface and a lighter ventral surface. Its body is covered in small, dermal denticles, giving it a rough texture.
Habitat and Occurrence
The has a wide distribution, inhabiting the waters of the southwestern Atlantic Ocean. It is primarily found in the zone, ranging from the surface down to depths of 403.0 meters. The species is known to occur in both coastal and oceanic waters, but its preferred habitat is typically near the seabed.
Taxonomy
The species Mustelus antarcticus belongs to the Class: Elasmobranchii, Order: Carcharhiniformes, and Family: Triakidae. Elasmobranchii comprises cartilaginous fishes, while Carcharhiniformes represents the order that includes most sharks, and Triakidae encompasses the houndsharks.
Feeding
The is a carnivorous shark, feeding primarily on benthic invertebrates, such as crustaceans and cephalopods. It is known to be an opportunistic feeder, and may also consume small fish, depending on the availability of prey.
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