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Shark After Dark
Shark Week is an annual week-long programming block on the Discovery Channel focusing on shark-themed programming. It originally premiered on July 17, 1988. The block is featured annually in the summer, and was originally devoted to conservation efforts and correcting misconceptions about sharks. Over time, it grew in popularity and became a hit on the Discovery Channel. Since 2010, it has been the longest-running cable television programming event in history. The block is owned by Warner Bros. Discovery, and is broadcast in over 72 countries. Shark Week is promoted by the Discovery Channel heavily via social networks such as Facebook and X (formerly Twitter). Episodes are also available for purchase on services such as Google Play/YouTube, Amazon Prime, and Apple TV. Some episodes of the shows on Shark Week are free on the over-the-top streaming services Max, Hulu (owned by Disney), and Discovery+. History The first Shark Week premiered in July 1988, with the first show to air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish Fin
Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported only by muscles. Fish fins are distinctive anatomical features with varying structures among different clades: in ray-finned fish (Actinopterygii), fins are mainly composed of bony spines or rays covered by a thin stretch of scaleless skin; in lobe-finned fish ( Sarcopterygii) such as coelacanths and lungfish, fins are short rays based around a muscular central bud supported by jointed bones; in cartilaginous fish ( Chondrichthyes) and jawless fish ( Agnatha), fins are fleshy " flippers" supported by a cartilaginous skeleton. Fins at different locations of the fish body serve different purposes, and are divided into two groups: the midsagittal ''unpaired fins'' and the more laterally located ''paired fins''. Unpaired fins are p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
