Nurse sharks possess two dorsal fins and an anal fin. These sharks are powerful suction feeders, using their small mouths and thick throat and gill muscles to create a partial pharyngeal vacuum. 9. Nurse sharks are solitary, nocturnal fish, and they spend their nights, rifling through sediments at the ocean floor in search of food. Who Eats Sharks?
And based on studies of nurse shark stomachs, they may not have to do much eating to maintain their low energy level. Because the nurse shark doesn't do a whole lot of moving around, it might be hard to believe that they can catch any prey. Nurse Shark Diet. They are suction feeders and can generate enough pressure to suck a queen conch right out of its shell. Its cranial morphology exhibits a suite of structural and functional modifications that facilitate this mode of prey capture. There are no ridges present on the body.

Like many suction feeders, nurse sharks swallow their prey whole. Nurse sharks (Ginglymostoma cirratum) may in fact be considered the "couch potato" of the shark world. In Pseudoginglymostoma the two dorsal fins are very nearly the same size. Nurse sharks are solitary, nocturnal fish, and they spend their nights, rifling through sediments at the ocean floor in search of food. The Nurse Shark uses his thick lips to create a suction effect to suck prey out of crevices and holes. The nurse shark, Ginglymostoma cirratum, is an obligate suction feeder that preys on benthic invertebrates and fish. 9. In suction feeders like the bamboo shark and the nurse shark, Motta said, the food has already entered the mouth when it's open widest. The origin of the name "nurse shark" is unclear. It may come from the sucking sound they make when hunting for prey in the sand, which vaguely resembles that of a nursing baby. During suction-feeding, subambient pressure is generated by the ventral expansion of the hyoid apparatus and the floor of its buccopharyngeal cavity. Kinematic Analysis of Suction Feeding in the Nurse Shark, Ginglymostoma cirratum (Orectolobiformes, Ginglymostomatidae) PHILIP J. MOTTA,ROBERT E. HUETER,TIMOTHY C. TRICAS, AND ADAM P. S UMMERS Inertial suction feeding is known to occur in some sharks, but the sequence and temporal kinematics of head and jaw movements have not been deļ¬ned. At night, Nurse Sharks become quite active, demonstrating themselves to be very capable and formidable predators. They are also one of the most social sharks of the ocean and tend to spend time in groups just lounging on the ocean floor. An adult nurse shark is solid brown, with smooth skin, a broad head, elongated caudal fin, and rounded dorsal and pectoral fins. Who Eats Sharks? The nurse shark, Ginglymostoma cirratum, is an obligate suction feeder that preys on benthic invertebrates and fish.

Like many suction feeders, nurse sharks swallow their prey whole. Its cranial morphology exhibits a suite of structural and functional modifications that facilitate this mode of prey capture.

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