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Spiracle of a bluespotted ribbontail ray, Taeniura lymma. Spiracles (/ ˈ s p ɪr ə k əl, ˈ s p aɪ-/ [1] [2]) are openings on the surface of some animals, which usually lead to respiratory systems. Spiracle of a shark (bighead spurdog, Squalus bucephalus) The spiracle is a small hole behind each eye that opens to the mouth in some fish.
Shark gill slits lie in a row behind the head. The anterior edge of a gill slit is motile, moving outward to allow water to exit, but closing to prevent reverse flow. A modified slit, called a spiracle , lies just behind the eye , which assists the shark with taking in water during respiration and plays a major role in bottom–dwelling sharks.
Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.
Matsya – An avatar of Lord Vishnu that is half-man half-fish. Merfolk – A race of half-human, half-fish creatures. The males are called Mermen and the females are called Mermaids. Auvekoejak – A merman from Inuit folklore of Greenland and northern Canada that has fur on its fish tail instead of scales. Ceasg – A Scottish mermaid.
A giant shark-like sea monster with a barb-covered tail, sighted off the coast of Western Japan. Issie A lake creature similar to the Loch Ness Monster, found in Lake Ikeda on Kyūshū. Itsumade An eerie fire-breathing reptilian bird monster with an almost human face, named for its cry. Ittan-momen
The shark is able to breathe with these gills by swimming or staying in a current. The Pacific spiny dogfish also has a special feature called a spiracle. These are gills that are behind the eyes of the shark that give oxygen to the eyes and brain. It is also used to breathe while resting or eating. [20]
The snout is slender and pointed and the wide mouth, often covered with a fleshy nasal flap, is on the underside of the head. The eyes and well-developed spiracles are located on the top of the head. In most species, the spiracles are large and are the main means of drawing water in for respiration.
A mysterious boatman ferried them to the cape but he had two demon sharks with him. One of the sharks ate half of Itachi's bandits while the other shark left with the boatman. However, Dororo and the remaining bandits managed to kill the shark. When the boatman and the second shark returned, Dororo was able to separate the boatman and the shark.