Michael Phelps Vs. Goldfish: Who is Faster?

Posted by Alex in Animal, Sports, World Records on August 18, 2008 at 7:39 pm


With his epic 8 Olympic golds, Michael Phelps is definitely one of the fastest swimmers in the world. But just how fast do you think he swims? And how does Phelps stack up to the world's fastest fish? Neatorama investigates:

Though it's hard to measure the swimming speed of large fish in the wild, most sources believe that the fastest fish is the Indo-Pacific Sailfish (Istiophorus platypterus), that has been clocked in excess of 68 mph (110 km/h). Over short periods, they could swim even faster really, really fast. In a series of speed trials at the Long Key Fishing Camp in Florida, one sailfish took out 300 feet of fishing line in just 3 seconds! (Source: Australian Museum Fish Site).

Okay, so that's a little unfair. Let's try something slower.

A lot more research has been done on goldfish. According to Davison & Goldspink, a goldfish can be trained to swim at about 0.86 mph (1.38 km/h) Source: J. exp. Biol (1978) 74: 115-122.

For Michael Phelps, let's take his 100 m butterfly: 50.77 seconds for 100 m. That's a puny 4.4 mph (7.1 km/h) - about the speed of a brisk walk, actually, but still faster than a goldfish.

But wait a minute, you say, that's not fair since we failed to normalize the swim speed as compared to body length (Phelps, for one, is much much longer than a goldfish). No problem, it's easy enough to convert.An average goldfish is 8.5 cm, so its swim speed translates to about 4.5 Phelps is 6'4" (1.93 m) so this translates to about 1 body length/sec.

Here's the final comparison:

 
Goldfish
Phelps
Sailfish
Absolute Speed
0.85 mph
(1.37 km/h)
4.4 mph
(7.1 km/h)
68 mph
(110 km/h)
Body Length sec
4.5
1
90

So. There you have it. Michael Phelps. Slower than a goldfish.




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COMMENT

18 comments to "Michael Phelps Vs. Goldfish: Who is Faster?"

  1. Justin
    August 18th, 2008 at 8:00 pm

    90 body lengths a second?! THAT’S INSANE!

  2. Chad Cloman
    August 18th, 2008 at 8:24 pm

    I used to scuba dive. There’d be a fish within an arm’s length, and I’d reach out to touch it. With a flick of it’s tail it’d be gone–faster than I could move my hand through the water. Fish are much faster than they seem.

  3. Alex
    August 18th, 2008 at 8:36 pm

    90 body length per second is the sailfish’s burst speed - I don’t think it could maintain that speed for a long period of time but yeah, that is insanely fast!

    In comparison, reef fish, which are slower than sailfish, have an average speed of 14 body length per second.

  4. Church
    August 18th, 2008 at 8:54 pm

    True, but a goldfish is seriously disadvantaged out of water.

    I’m thinking triathalon is really Phelp’s sport.

  5. The Slapster
    August 18th, 2008 at 8:55 pm

    Oohhh, ahhhh! Show me a fish that’s going to clear $30-50 million in a year. That’s right, suck it you non-bipeds!!

  6. anarchy
    August 18th, 2008 at 9:13 pm

    @The Slapster:
    -Keiko (better known as the whale in Free Willy)…when it was alive
    -all those Shamu orcas
    -the eight or so whale sharks in captivity

  7. bean
    August 18th, 2008 at 9:26 pm

    I’ve never seen a goldfish swim over 200m in a straight line, accelerating all the way. A tuna or dolphin would have been a better comparison, or shark of some sort.

  8. Peeves
    August 18th, 2008 at 9:41 pm

    No wonder I haven’t caught Olympic fever. People being fast just isn’t…exciting. Unless they do it naked..for a technologically-level playing field of course.

  9. Dave
    August 18th, 2008 at 9:42 pm

    “Slower than a goldfish.” Ummm… That’s what most people would call a lame comparison, especially considering that the goldfish has a serious home-field advantage in the water.

    Nice try, anarchy, but those examples aren’t going to enjoy the cash quite as much as Mike will.

  10. Jeremy
    August 18th, 2008 at 10:38 pm

    Math is not my strong suit but 300 feet in three seconds is 68.18 miles per hour. So the Indo-Pacific Sailfish has been clocked at 68 miles per hour and can sometimes go even faster - 68.18 miles per hour!

  11. bean
    August 18th, 2008 at 10:54 pm

    Oh, and one more thing. Normalizing “swim speed compared to body length” is worthless, unless you plan on altering the Olympics so that only people exactly the same height as Phelps can compete.

  12. Alex
    August 18th, 2008 at 11:26 pm

    Yeah, that didn’t make much sense, huh, Jeremy? I edited to mean what I wanted to say. :)

  13. LisaL
    August 19th, 2008 at 12:27 am

    Did they just say that the average goldfish is only about 3 inches long?
    And let me guess, they also think putting a goldfish in to a half gallon bowl is ok too right?
    Boy, they go through all of that trouble to do research and don’t even do proper research on goldfish who if given PROPER care can get up to a foot long (the common variety while the fancy get to 6-8 inches).

  14. Ty
    August 19th, 2008 at 1:03 am

    also, orcas are not fish.

  15. Marcello
    August 19th, 2008 at 3:19 am

    I’m sure it’s one of your best post!!! Very fantastic!!!

  16. Choco
    August 20th, 2008 at 3:35 pm

    Sharks are fish too, Let phelps swim against the Mako shark.. 110 km/h ?

  17. vijay
    August 22nd, 2008 at 4:17 am

    Thats really a good comparison. Also Do watch Nice Pictures of Michael Phelps and top 10 reason behind his swimming power…

    http://www.maathiyoose.com/2008/08/top-10-secrets-to-know-about-michae l-phelps/

    Enjoy!!!!

  18. paoneithang
    October 1st, 2008 at 6:14 am

    fish are fish in land,the difference is that man cannot compete with fish,as fish is inside water and can swim at any speed which cannot be measured by man


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