In this fish's DNA, a pelvic switch activator can bind to a pelvic switch and activate RNA polymerase to transcribe the Pitx1 coding region.

Where does this fish most likely live?
A.This fish most likely lives in a freshwater (lake) habitat with dragonfly larvae predators that prefer fish with spines.
B.There is no way to determine in which habitat this fish most likely lives.
C.This fish most likely lives in a marine (ocean) habitat with large-mouth predators that prefer fish with no spines.