fish body design?

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A

-Asianguy-

Feeder Fish
MFK Member
Dec 30, 2006
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Honolulu
I was sitting here watching my angel fish. and was wondering what is their body designed for?

anyone else have this thoguht, answer, or other fish they wonder about?


if so what?:popcorn:
 
Fish evolve to better suit the environment they live in. In the case of Angelfish their laterally compressed bodies allows them to forage for food and take shelter in dense reed beds and other areas with closely spaced predominatly vertical vegetation.

Fish of a similar mass but with conventional body types would be unable to penetrate into the vegetation as far as the angelfish giving the angels free rein over these deeper areas.
 
Evolution is not always straight forward. Take Lake Malawi for example; there are certain species of African Cichlids that have a different color pattern depending on the part of the lake they live in. Other African Cichlid species are found all over the lake in the EXACT same color pattern.

Angel fish is a good example of a design which, in my mind as well, is hard to understand an environmental advantage. I can see the advantage of the laterally compressed bodies; but the large/tall flowing fins seems like it would
hurt more than help.
 
vfc;928042; said:
Evolution is not always straight forward. Take Lake Malawi for example; there are certain species of African Cichlids that have a different color pattern depending on the part of the lake they live in. Other African Cichlid species are found all over the lake in the EXACT same color pattern.

Angel fish is a good example of a design which, in my mind as well, is hard to understand an environmental advantage. I can see the advantage of the laterally compressed bodies; but the large/tall flowing fins seems like it would
hurt more than help.
Click to expand...

i belive that flowing fins are a human trait breed into them for marketing and show. i may be wrong.
 
Volenti;927833; said:
Fish evolve to better suit the environment they live in. In the case of Angelfish their laterally compressed bodies allows them to forage for food and take shelter in dense reed beds and other areas with closely spaced predominatly vertical vegetation.

Fish of a similar mass but with conventional body types would be unable to penetrate into the vegetation as far as the angelfish giving the angels free rein over these deeper areas.
Click to expand...

thats what i thought when i look back into their natural habitat.

yet its funny cause if you look at the open water sunfish. its basicly the same body type. but there are no plants in the open ocean for them.

but i agree that is the best answer yet.
 
Yes, wild angelfish have smaller fins - the long ones are a longfin trait bred by us
 
Angelfish like discus live in the Amazon region and because of the thick reed areas they became "thinner" to swim freely between the plants.
I don't know if thats just being completely obvious and you knew that already but just how I read the question :)
 
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