The Lamna ditropis is a species of mackerel shark known for its sleek, torpedo-shaped body and powerful swimming abilities. It is a large, predatory shark, reaching a maximum size of 305.0 cm. These sharks are commonly found in both coastal and oceanic waters, inhabiting depths ranging from the surface to 650.0 meters.
Description & Characteristics
The Lamna ditropis possesses a streamlined body, perfectly adapted for swift movement through water. Its dorsal fin is tall and falcate, with the second dorsal fin being much smaller. The pectoral fins are long and pointed, providing stability and maneuverability during swimming. A characteristic feature of this species is the presence of a distinct keel on the underside of the caudal peduncle. This keel, along with the powerful tail, aids in generating thrust for bursts of speed. The Lamna ditropis has a distinctive, pointed snout and large, dark eyes adapted for hunting in diverse light conditions.
Habitat and Occurrence
The Lamna ditropis typically inhabits the epipelagic zone, the mesopelagic zone, and the bathypelagic zone, making it a prevalent presence in these aquatic ecosystems. It is a widely distributed species found in both the Atlantic and Pacific Oceans, and is known to migrate long distances, often following prey movements.
Taxonomy
The species Lamna ditropis belongs to the Class: Elasmobranchii, Order: Lamniformes, and Family: Lamnidae. Elasmobranchii is a class of cartilaginous fishes, characterized by their skeletons made of cartilage rather than bone. The Lamniformes are an order of sharks known for their streamlined bodies and powerful swimming abilities, and the Lamnidae are a family within this order, known for their large size and predatory nature.
Feeding
The Lamna ditropis is a voracious predator, feeding primarily on a diet of fish, cephalopods, and other sharks. It utilizes its sharp teeth and powerful jaws to subdue its prey, often employing ambush tactics to catch unsuspecting victims. Its wide distribution and opportunistic feeding habits make it an important predator in various marine ecosystems.
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