Ceylon caecilian
... that the larvae of the terrestrial Ceylon caecilian have gills and a tail fin and develop in water?
... that the <a href="./Larva" id="mwC40" rel="mw:WikiLink" title="Larva">larvae</a> of the terrestrial <b id="mwC44"><a href="./Ichthyophis_glutinosus" id="mwC48" rel="mw:WikiLink" title="Ichthyophis glutinosus">Ceylon caecilian</a></b> have gills and a tail fin and develop in water?