Is the vestigial organ argument a vestige of poor science

[Subduction Zone]

They aren't bony fish, Osteichthyes. But they are cartilaginous fish, Chondrichthyes. Both are considered to be fish.

https://en.wikipedia.org/wiki/Fish
https://en.wikipedia.org/wiki/Osteichthyes
https://en.wikipedia.org/wiki/Chondrichthyes

All are considered to be jawed vertebrates (Gnathostomes).

Your first Wiki link does point out that "fish" is a paraphyletic group. Which of course only confuses the issue a bit. We are more closely related to bony fishes than sharks are yet they are fish and we are not, unless one uses a monphyletic classification system, in which case we would also be reptiles.

 

[Audie]

They aren't bony fish, Osteichthyes. But they are cartilaginous fish, Chondrichthyes. Both are considered to be fish.

https://en.wikipedia.org/wiki/Fish
https://en.wikipedia.org/wiki/Osteichthyes
https://en.wikipedia.org/wiki/Chondrichthyes

All are considered to be jawed vertebrates (Gnathostomes).

Considered to be fish as a matter of convenience only.

Some would toss in the agnatha. Or those Cambrian things.

 

[Polymath257]

Your first Wiki link does point out that "fish" is a paraphyletic group. Which of course only confuses the issue a bit. We are more closely related to bony fishes than sharks are yet they are fish and we are not, unless one uses a monphyletic classification system, in which case we would also be reptiles.

Yep. word usage is, well, rather random.

 

[Polymath257]

Considered to be fish as a matter of convenience only.

Some would toss in the agnatha. Or those Cambrian things.

Which I do....

 

[Audie]

That depends on one's definition of "fish".

Whale fishery, say. Here is another fish.

https://www.google.com/search?q=ww2..._AUIDCgD&biw=851&bih=595#imgrc=HxnoFbnrZcUqIM:

Strange as it may seem, sharks have been seen in
a similar maneuver, releasing a remora.

 

[Audie]

Which I do....

You and some few others. Most are communists;
the rest are morally weak, of simply insane.

 

[Polymath257]

You and some few others. Most are communists;
the rest are morally weak, of simply insane.

I'll choose 'morally weak' for 400.

 

[Audie]

I'll choose 'morally weak' for 400.

You might want to speak to subzie about that.
He is always offering to help people.

 

[Subduction Zone]

Whale fishery, say. Here is another fish.

https://www.google.com/search?q=ww2..._AUIDCgD&biw=851&bih=595#imgrc=HxnoFbnrZcUqIM:

Strange as it may seem, sharks have been seen in
a similar maneuver, releasing a remora.

This article excludes sharks from "fish" unfortunately it includes tetrapods in that classification:

http://www.biodiversityinfocus.com/blog/2012/04/20/dipterist-files-willi-hennig/