( ( Once ( ( the eggs ) hatch ) ) ( , ( ( the female ) ( ( ( ( carries ( the fry ) ) ( in ( ( her mouth ) ( for ( ( about 14 ) days ) ) ) ) ) ( to ( guard them ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Once) (S (NP (DT the) (NNS eggs)) (VP (VBP hatch)))) (, ,) (NP (DT the) (NN female)) (VP (VBZ carries) (NP (DT the) (NN fry)) (PP (IN in) (NP (NP (PRP$ her) (NN mouth)) (PP (IN for) (NP (QP (RB about) (CD 14)) (NNS days))))) (S (VP (TO to) (VP (VB guard) (NP (PRP them)))))) (. .)))
Once the eggs hatch, the female carries the fry in her mouth for about 14 days to guard them.
(ROOT (S (S (NP (NP (DT Some) (NN species)) (PP (IN of) (NP (NN fish)))) (VP (VBP carry) (NP (PRP$ their) (VBN fertilized) (NNS eggs)) (PP (IN in) (NP (PRP$ their) (NN mouth))) (SBAR (IN until) (S (NP (PRP they)) (VP (VBP hatch)))))) (: ;) (S (NP (DT this)) (VP (VBZ is) (VP (VBN called) (S (ADJP (NN mouth) (JJ brooding)))))) (. .)))