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Batoid gill slits lie under the pectoral fins on the underside, whereas a shark's are on the sides of the head. Most batoids have a flat, disk-like body, with the exception of the guitarfishes and sawfishes, while most sharks have a spindle-shaped body. Many species of batoid have developed their pectoral fins into broad flat wing-like appendages.
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 ...
Batoids are a superorder of cartilaginous fish consisting of skates, rays and other fish all characterized by dorsoventrally flattened bodies and large pectoral fins fused to the head. This distinctive morphology has resulted in several unique forms of locomotion. Most Batoids exhibit median paired fin swimming, utilizing their enlarged ...
Together, the companies will air 66 hours of new shark programming through the remainder of summer, the majority of it on Discovery’s Shark Week, now in its 33rd year. There will be 45 ...
The shark hits the crocodile with the bump-and-bite technique. Accustomed to defending himself against rivals, the crocodile bites the shark's tail, but cannot get a good grip. The shark swims off and makes a wide turn for a full-on assault; all of a sudden, the crocodile gets the first bite on her right pectoral fin.
These are also often referred to as "sharks" in reference to their similar anatomy and ecology to modern sharks. The name Elasmobranchii comes from the Ancient Greek words elasmo- ("plate") and bránchia ("gill"), referring to the broad, flattened gills which are characteristic of these fishes.
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Sharks portal; The Squaliformes / ˌ s k w ɒ l ɪ ˈ f ɔːr m iː z / are an order of sharks that includes about 126 species in seven families.. Members of the order have two dorsal fins, which usually possess spines, they usually have a sharp head, no anal fin or nictitating membrane, and five to seven gill slits.