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Most fish species with pharyngeal teeth do not have extendable pharyngeal jaws. A particularly notable exception is the highly mobile pharyngeal jaw of the moray eels.These are possibly a response to their inability to swallow as other fishes do by creating a negative pressure in the mouth, perhaps induced by their restricted environmental niche (burrows) or in the air in the intertidal zone. [10]
The hookjaw moray, bowmouth moray, or Bayer's moray (Enchelycore bayeri) is a moray eel of the family Muraenidae. It is found throughout the Indo-Pacific as well as in the Red Sea. [1] [2] Like other members of the genus, the hookjaw sports curved jaws and rows of large, dagger-like teeth.
The jaws of the Kidako moray, or moray eels in general, hold a dual-jaw system for feeding. [10] They primarily use the oral jaws to deliver prey into the esophagus with sharp and piercing teeth. The teeth are curved backward and point towards its throat to avoid prey coming back out of its mouth. [ 13 ]
Gymnothorax kontodontos E. B. Böhlke, 2000 (Short-tooth moray) Gymnothorax longinquus (Whitley, 1948) Gymnothorax maderensis (J. Y. Johnson, 1862) (Shark-tooth moray) Gymnothorax mareei Poll, 1953 (Spot-jaw moray) Gymnothorax margaritophorus Bleeker, 1864 (Blotch-necked moray) Gymnothorax marshallensis (L. P. Schultz, 1953) (Marshall Islands ...
Moray eel jaw anatomy In addition to the presence of pharyngeal jaws, morays' mouth openings extend far back into the head, compared to fish which feed using suction. In the action of lunging at prey and biting down, water flows out the posterior side of the mouth opening, reducing waves in front of the eel which would otherwise displace prey.
It has rather small eyes positioned at the end of the short snout. It has numerous and short, sharp teeth inserted into a large and profound jaw that extends back into the head. In addition, there is a second jaw, the pharyngeal jaw located further down the throat, used to capture and transport the prey into the throat.
Gymnothorax melatremus, the blackspot moray, dirty yellow moray or dwarf moray, is a moray eel from the Indo-Pacific East Africa to the Marquesas and Mangaréva, north to the Hawaiian Islands, south to the Australs islands. It occasionally makes its way into the aquarium trade but still being rare to find.
The giant moray is carnivorous and nocturnal, hunting its prey within the reef. It is known to engage in cooperative hunting with the roving coral grouper ( Plectropomus pessuliferus ). [ 7 ] These two fish species are complementary hunters: While the eel hunts in the reef, it may scare prey up and out of the reef, leaving them to be eaten by ...