Rhinophrynus dorsalis tadpoles

This post shows tadpoles and metamorphs of the infamous Sapo Borracho or Mexican Burrowing Toad.  Keys to the tadpoles of this species generally refer to barbals (catfish like whiskers), but they didn’t seem to be present in the specimen I used.  Perhaps it’s a plastic phenotype – would turbidity influence barbal presence or absence?  The tadpole is relatively large, fast swimming, and with a broad tail.  The mouth is terminal and without a beak or denticles.

Other tadpole posts:

Rhinophrynus dorsalis
Engystomops pustulosus
Incilius luetkenii
Smilisca baudinii
Hyla microcephala
Leptodactylus melanonotus

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