Question

why did the sand fish evolved?

answer me.........enjoy the points...........gd mrg​

Answer 1

The mapping of these characters demonstrates that not all of them evolved specifically for strict psammophily. ... The diet of all five sand dwelling fish species was largely based on aquatic ...

Answer 2

Answer:

Fish may have evolved from an animal similar to a coral-like sea squirt (a tunicate), whose larvae resemble early fish in important ways. ... Vertebrates, among them the first fishes, originated about 530 million years ago during the Cambrian explosion, which saw the rise in organism diversity.