Adaptation of the Dorsal Fins to Achieve Its Functions

Adaptation of The Dorsal Fins to Its Functions
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Adaptation of The Dorsal Fins to Its Functions
Introduction
Aquatic life requires various adaptations of the sea creatures to make them survive in the niche. One of the most important aspects is the locomotion of the aquatic creatures searching for food, reproduction, protection from predators, just to mention a few. To achieve locomotion, the fish has various fins that have different functions in ensuring that the fish can effectively move from one place to another. Some of the fins include; the caudal fins, pectoral fins, pelvic, anal fins, and dorsal fins. All these fins function collectively in ensuring that the fish moves effectively since it is adapted to perform different functions. They are of interest in this case if the adaptation of the dorsal fins in achieving various functions in enhancing the locomotion of the fish. The dorsal fins are located at the back of the fish. Primarily the dorsal fin functions by increasing the lateral surface of the body of the fish during swimming ADDIN CSL_CITATION {"citationItems":[{"id":"ITEM-1","itemData":{"author":[{"dropping-particle":"V.","family":"Drucker, E. G., & Lauder","given":"G.","non-dropping-particle":"","parse-names":false,"suffix":""}],"id":"ITEM-1","issued":{"date-parts":[["2001"]]},"title":"Locomotor function of the dorsal fin in teleost fishes: experimental analysis of wake forces in sunfishe","type":"article-journal"},"uris":["/documents/?uuid=747ad1a4-d38b-4d15-b56d-622e55f26130"]}],"mendeley":{"formattedCitation":"[1]","plainTextFormattedCitation":"[1]","previouslyFormattedCitation":"[1]"},"properties":{"noteIndex":0},"schema":"https://github.com/citation-style-language/schema/raw/master/csl-citation.json"}[1]. Increasing the lateral surface makes the fish achieve more stability though the drag is increased at this circumstance. Thus the dorsal fins help in protecting the fish against sudden turns, during stopping and against rolling. The dorsal fins structure makes it able to shift into other motions, which serves different functions. In addition, the dorsal fins can expand or shrink under different occasions. This paper will provide a comprehensive literature review of the dorsal fins through the different context of adaptation while exploring its functions in different instances.
The motions of the dorsal fins to achieve different functions
Rolling
During locomotion, the fish accelerates at a certain speed and manoeuvres. The dorsal fins always oscillate in a sinusoidal manner with a constant acceleration, thus maintaining its stability. As a result of this movement of the dorsal fins in the sinusoidal movement, it tends to create lateral force. Furthermore, the caudal fin also experiences the same force since it propels the fish forwardADDIN CSL_CITATION {"citationItems":[{"id":"ITEM-1","itemData":{"author":[{"dropping-particle":"","family":"Drucker, E. G.","given":"& Lauder","non-dropping-particle":"","parse-names":false,"suffix":""}],"id":"ITEM-1","issued":{"date-parts":[["2005"]]},"title":"Locomotor function of the dorsal fin in rainbow trout: kinematic patterns and hydrodynamic forces","type":"art...