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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.
Rajiformes / ˈ r æ dʒ ɪ f ɔːr m iː z / is one of the four orders in the clade Batomorphi, often referred to as the superorder Batoidea, flattened cartilaginous fishes related to sharks. [2] Rajiforms are distinguished by the presence of greatly enlarged pectoral fins , which reach as far forward as the sides of the head, with a generally ...
Voiced by: Miyuki Sawashiro [1] (Japanese); Laura Post [2] (English) The eldest of the valkyries and their leader, she convinces the gods to hold the Ragnarok. She despises the gods and takes advantage of the situation to enact her revenge upon them. Göll (ゲル, Geru) Voiced by: Tomoyo Kurosawa [1] (Japanese); Anairis Quinones [3] (English)
Spiracles are reduced or missing in active pelagic sharks. [28] While the shark is moving, water passes through the mouth and over the gills in a process known as "ram ventilation". While at rest, most sharks pump water over their gills to ensure a constant supply of oxygenated water.
La Pucelle: Tactics [a] is a tactical role-playing game developed by Nippon Ichi Software for the PlayStation 2. It was released in Japan in January 2002, and in North America by Mastiff in May 2004. The game was ported to the PlayStation Portable in Japan on November 26, 2009 as La Pucelle Ragnarok. [2]
Batomorphi is a clade of cartilaginous fishes, commonly known as rays, this taxon is also known as the superorder Batoidea, but the 5th edition of Fishes of the World classifies it as the division Batomorphi. [2] They and their close relatives, the sharks, compose the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes ...
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]
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.