( ( Even ( though ( ( some ( cichlid species ) ) ( display ( ( cooperative polyandry ) ( in crevices ) ) ) ) ) ) ( , ( ( other ( cichlid species ) ) ( ( ( ( are ( mouth brooders ) ) , ) ( where ( females ( carry ( ( eggs ( in ( their mouths ) ) ) ( that ( have ( been ( fertilized ( by ( multiple males ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (RB Even) (IN though) (S (NP (DT some) (JJ cichlid) (NN species)) (VP (VBP display) (NP (NP (JJ cooperative) (NN polyandry)) (PP (IN in) (NP (NNS crevices))))))) (, ,) (NP (JJ other) (JJ cichlid) (NNS species)) (VP (VBP are) (ADJP (NN mouth) (JJ brooders)) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (NNS females)) (VP (VBP carry) (NP (NP (NNS eggs)) (PP (IN in) (NP (PRP$ their) (NNS mouths))) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (VP (VBN been) (VP (VBN fertilized) (PP (IN by) (NP (JJ multiple) (NNS males))))))))))))) (. .)))
Even though some cichlid species display cooperative polyandry in crevices, other cichlid species are mouth brooders, where females carry eggs in their mouths that have been fertilized by multiple males.
(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)))))) (. .)))