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A Comparison of Oxygen Consumption in Median-paired fin swimming fish

den Haan, Manon (2019) A Comparison of Oxygen Consumption in Median-paired fin swimming fish. Master's Thesis / Essay, Marine Biology.

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Abstract

Underwater locomotion in fish can be divided into two categories: Body-caudal (BCF) and median-paired fin (MPF) locomotion. Within both the MPF and BCF functional groups there are different types of gaits and can be distinguished in two other groups: undulatory movements and oscillation. This literary review focuses on the oxygen consumption of median-paired fin swimming fish. Most species of fish that utilize MPF locomotion are species that live in or around complex structures, like (coral) reefs. Swimming plays a fundamental role in most ecological activities of a fish and spends a lot of energy in this. Therefore it is important to have a swimming gait that is energy efficient on a range of speeds. The aim of this study is to understand what the energetic cost of locomotion is over a range of velocities, and how do gait transitions affect these cost in fish species belonging to the MPF group. The hypothesis is that fish that change to a BCF swimming mode have a higher energetic cost than the fish would be swimming with a MPF mode at the same speed. This is done by comparing the oxygen consumption in the form of Total Cost of Transport (TCOT), Net Cost of Transport (NCOT) and the relative oxygen consumption of different fish species belonging to different habitats. The results show a lot of variety in both the TCOT, NCOT, relative oxygen consumption, and the swimming gait transition velocity. This can be explained by a number of factors, including the type of movement made by the pectoral fins, the form of the pectoral fins, the environment wherein the animals were housed and experimented on and experimental procedures of the individual studies.

Item Type: Thesis (Master's Thesis / Essay)
Supervisor:
Supervisor nameSupervisor E mail
Hoefnagel, K.N.K.N.Hoefnagel@rug.nl
Stamhuis, E.J.E.J.Stamhuis@rug.nl
Degree programme: Marine Biology
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 08 May 2019
Last Modified: 21 Jun 2019 11:59
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/19439

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