During the spawning season fishermen move in to grab large catches of this tasty fish which it is feared will eventually decrease the tunas numbers due to over fishing.
(the spawning season fishermen; to grab; large catches of this tasty fish which it is feared will eventually decrease the tunas numbers due to over fishing; T:During) (it; is feared; ) (large catches of this tasty fish; will decrease; the tunas numbers due to over fishing; T:eventually)
the spawning season fishermen it large catches of this tasty fish
to grab is feared will decrease
large catches of this tasty fish which it is feared will eventually decrease the tunas numbers due to over fishing T:During
the tunas numbers due to over fishing T:eventually