The Sicklefin Lemon Shark, Sharptooth Lemon Shark, Sharptooth Shark, Sharp-toothed Shark, Lemon Shark, scientifically known as Negaprion acutidens, is a fascinating species of shark inhabiting tropical and subtropical waters worldwide.
Description & Characteristics
Negaprion acutidens is characterized by its distinctive lemon-yellow coloration, giving rise to its common name. It possesses a robust, fusiform body with a broad, flattened head. The sickle-shaped pectoral fins, particularly prominent in adults, are responsible for the “Sicklefin” moniker. The species boasts sharp, pointed teeth, leading to the “Sharptooth” or “Sharp-toothed Shark” designations. The maximum recorded size for this species is a formidable 380 cm (150 inches), with individuals often reaching lengths of 2-3 meters.
Habitat and Occurrence
Negaprion acutidens exhibits a preference for shallow, coastal waters, including estuaries, lagoons, and reefs. They are commonly found in depths ranging from 0.0 to 92.0 meters. Their distribution spans a wide geographical range, encompassing the tropical and subtropical zones of the Atlantic, Pacific, and Indian Oceans.
Taxonomy
Negaprion acutidens belongs to the family Carcharhinidae, a diverse group of requiem sharks. This family is part of the Order Carcharhiniformes, which encompasses a vast array of sharks with characteristically five gill slits and two dorsal fins. Carcharhiniformes, in turn, falls under the Class Elasmobranchii, a group that includes sharks, rays, and skates.
Feeding
Negaprion acutidens is a predatory species with a diverse diet. Their sharp teeth are well-suited for catching and consuming a range of prey, including: clam meat, edible crab, rock lobster, shrimps, and sepia. This predatory behavior is essential for their survival, allowing them to thrive in their diverse marine environments.
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