Descriptor : tail with median double-keel

Tail can present a specific relief on its dorsal and median part. It is formed by two rows of strongly keeled scales.
This relief is present when the tail is laterally compressed.

../images/silhouettequeue.jpg

List of states

presence

Tail (partly or totally) with a median relief on the dorsal side, formed by two rows of strongly keeled scales.

absence

The scales of the dorsal part of tail are homogenous in size and form; there is no specific relief in the median part of tail.

Belongs to the group