Editing Fish locomotion (section)

==== Anguilliform<!--This term redirects here!--> ====
{{Redirect2|Anguilliform|Anguilliforms|Anguilliformes, the order of ray-finned fishes|Eel}}
[[File:FMIB 35739 Anguilla vulgaris -- Anguilla.jpeg|thumb|[[Eel]]s propagate a more or less constant-sized flexion wave along their slender bodies.]]

In the anguilliform group, containing some long, slender fish such as [[eel]]s, there is little increase in the amplitude of the flexion wave as it passes along the body.<ref name=Breder/><ref>Long Jr, J. H., Shepherd, W., & Root, R. G. (1997). [https://web.archive.org/web/20160122095453/http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA330550#page=122 Manueuverability and reversible propulsion: How eel-like fish swim forward and backward using travelling body waves".] In: ''Proc. Special Session on Bio-Engineering Research Related to Autonomous Underwater Vehicles'', 10th Int. Symp. Unmanned Untethered Submersible Technology (pp. 118–134).</ref>