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Batoids are flat-bodied, and, like sharks, are cartilaginous fish, meaning they have a boneless skeleton made of a tough, elastic cartilage. Most batoids have five ventral slot-like body openings called gill slits that lead from the gills , but the Hexatrygonidae have six. [ 3 ]
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 ...
79 living species of sharks have been featured in Shark Week, along with several species of batoids (rays and kin), chimaeras, and extinct forms. The most common species to be featured are great white sharks ( Carcharodon carcharias , 18.4% of episodes), tiger sharks ( Galeocerdo cuvier , 12.2%), bull sharks ( Carcharhinus leucas , 9.6%), and ...
Dailymotion is a French online video sharing platform owned by Canal+. Prior to 2024, the company was owned by Vivendi . [ 2 ] North American launch partners included Vice Media , Bloomberg , and Hearst Digital Media . [ 3 ]
This is in contrast to sharks and most other fish, which get most of their swimming power from a single caudal (tail) fin. [25] Stingray pectoral fin locomotion can be divided into two categories, undulatory and oscillatory. [26] Stingrays that use undulatory locomotion have shorter thicker fins for slower motile movements in benthic areas. [27]
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.
Steve is in The Bahamas to see the efforts being made to save sharks. During Steve's dive he encounters several Great hammerhead sharks. Backshall, then heads to Palm Beach, Florida, and spots a large shiver (group) of Blacktip sharks. Back in The Bahamas, Steve finds some Lemon, Nurse, Bull and Tiger sharks during his dive. [9] 9: Ecuador Jungle