Does the church really accept the theory of evolution?

I am apprehensive regarding the churches stance on evolution .Does the church really accept the theory and if so does that mean they accept that we really came from fish originally? also how would this tie in with genesis, and original sin

The following links should assist you in better understanding the Catholic Church’s teaching on Creation. If you have any further questions or concerns that are not answered by these links, please contact Catholic Answers directly.
**Recommended Reading: **
[LIST]
*]What does the Church say about creation?
*]How do Catholics understand the creation story?
*]Does the pope teach us that evolution is false?
*]Why did God create dinosaurs?
*]Dinosaurs?
*]What is the Church’s view of evolution?
*]Where does the prehistoric age fall in the book of Genesis?
*]Is the earth 5,700 years old?
*]Can Catholics believe in a literal six-day creation?
[/LIST]
Recommended Book:
Chance Or Purpose?
Cardinal Schönborn (Archbishop of Vienna, Austria)

DISCLAIMER: The views and opinions expressed in these forums do not necessarily reflect those of Catholic Answers. For official apologetics resources please visit www.catholic.com.