( ( ( No ( particular threats ) ) ( to ( this species ) ) ) ( ( have ( been identified ) ) . ) )
(ROOT (S (NP (NP (DT No) (JJ particular) (NNS threats)) (PP (TO to) (NP (DT this) (NN species)))) (VP (VBP have) (VP (VBN been) (VP (VBN identified)))) (. .)))
No particular threats to this species have been identified.
(ROOT (S (NP (NNP Overharvesting)) (VP (VBZ is) (NP (DT a) (JJ serious) (NN threat)) (ADVP (RB particularly)) (PP (TO to) (NP (JJ aquatic) (NNS species)))) (. .)))