Talk:Fish locomotion

message: since fish locomotion is mainly about locomotion in water, shouldn't we include dolphin's mode of move about? And, what about the locomotion of squids, shrimps, octupuses? Xah Lee 23:00, 2005 May 5 (UTC)
:That's a lot broader than this. An article on aquatic locomotion or locomotion in water may be appropriate. Richard001 (talk) 03:51, 25 July 2008 (UTC)
thread_title:  Locomotion in water of Fish locomotion? 

message: I observe that when salmon skin is stretched the scales become erect, presenting a very rough surface to the water. When the skin is relaxed, the scales return to become flush with the body presenting a streamlined surface. I suggest that it is not only the wiggle that propels the fish, but also the effect of this property of the skin/scales that may account for the efficiency of fish, such as the salmon, swimming up stream against powerful currents. The effect of the scales suggests a rowing motion, which could be activated by the stretching and contraction of the skin during the wiggle motion. I am totally ignorant of this subject and the literature so perhaps someone could add a better description of this, with appropriate citations, if indeed it is the case that scales play this role in locomotion? I apologise if somehwere in this article this has already been mentioned.
Fenton Robb 21:53, 26 January 2007 (UTC)
thread_title:  The role of scales in fish locomotion? 

message: What about the movement of Cetacea? I wonder why they move their tails up and down instead of from side to side like fish. --84.189.124.169 (talk) 19:16, 2 January 2008 (UTC)
replies: text: Although also swimming creatures, dolphins are mammals, and not a species of bony fish (Osteichthyes)! More on dolphin and marine mammal motion can be found here Srobinson55 (talk) 16:30, 28 February 2023 (UTC)
thread_title:  Dolphin locomotion?  

message: Why isn't this just a section of Fish?--Tznkai (talk) 00:33, 14 July 2009 (UTC)
thread_title:  Uh. 

message: Although the article has a lot of data (facts) in it there is little information (explanation, hypotheses, etc).  Added to this its overall structure seems confused to me.  Any information that is included in it is simply fitted into the list of data provided almost as a footnote.    
Personally, I came here with a simple question in mind: How do fish manage to swim?  Why don't the undulating movements of the "tail" simply cancel themselves out, or even generate a movement backward?  However, this article merely itemises, irrespective of how uncommon or common these are, all (?) the many forms of locomotion that can be found in fish.  It lacks any detailed explanation of the hydrodynamics of the locomotion itself (or locomotions).  Here is an example of a more functional information structure for this topic:- http://www.ux1.eiu.edu/~cfruf/bio4950/fish_locomotion.htm  Sadly, while it does contain a simple explanation of the mechanism of locomation itself, it fails to explain how what it terms "Push" and "Reactive Force" forces don't cancel one another out in the same way that "Lift" forces do. Page 85 of Fish Locomotion by Robert W. Blake is on Google and explains the process in a simple diagram (as with other forms of locomation eg eels).
LookingGlass (talk) 06:30, 11 September 2012 (UTC)
thread_title:  Lack of structure and explanation - effectively a stub? 

message: The article covers some groups in more than one section. This probably requires a reorganisation. Chiswick Chap (talk) 08:15, 11 January 2017 (UTC)
thread_title: Repetition

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thread_title:  External links modified 

message: * may be a useful source. I may come back to edit the article when I have time to research this aspect a bit more. Cheers, · · · Peter (Southwood) (talk): 08:41, 18 October 2017 (UTC)
thread_title:  Acceleration, sustained speed and maneuverability tradeoffs 

message: Generally S.3 biology  — Preceding unsigned comment added by 197.239.5.224 (talk) 14:59, 30 January 2022 (UTC)
thread_title:  S.3 Biology -uganda