At metamorphosis they change into tiny tuna that feed on ever larger prey until they are large enough to feed on fish.
(they; change; into tiny tuna; T:until they are large enough to feed on fish; L:At metamorphosis) (tiny tuna; feed; on ever larger prey) (they; are; large enough to feed on fish) (they; to feed; on fish)
they tiny tuna they they
change feed are to feed
into tiny tuna T:until they are large enough to feed on fish L:At metamorphosis
on ever larger prey
large enough to feed on fish
on fish