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Si chiama Zorro ed è il "cugino" vegetariano del piranha. La specie è stata scoperta in Brasile. Individuata nel 2007, non aveva fino ad ora mai potuto essere classificata correttamente. Ora però, grazie ad un'analisi accurata delle sue caretteristiche fisiche s'è potuto accertare con chi è imparentato questo pesce di ragguardevoli dimensioni (il corpo può raggiungere i 50 centimetri di lunghezza).
Il myloplus zorro, per l'appunto, di cui parla l'ultimo numero della rivista ZooKeys, è ghiotto di semi e vive nei fiumi dell'Amazzonia. Fra i principali segni identificativi vi sono l'addome e il muso più arrotondati e, soprattutto, i particolarissimi denti, distribuiti su due file e formanti un leggero arco. Sono stati proprio loro a far stabilire ai ricercatori dell'Università di Parà di essere di fronte ad un nuovo miracolo della natura.
ANSA/dg
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