Appearance
Males usually grow slightly bigger than 30 mm, females are up to 55 mm. This frog has been found up to 1,400 m asl.The tadpoles are reddish with blueish iridescence. Their eyes are small and seem vestigial. The body is depressed with a wedged snout. The tail is long and its fin is low.
Tadpoles of S. guttatus are highly specialized inhabitants of thick piles of leaf litter in stream sidepools. They strongly resemble centrolenid tadpoles from South- America, a remarkable case of convergence.
Behavior
During the night individuals can be found resting on saplings, preferably overhanging the stream. Signals are given to other individuals by lifting the foot and exposing the colors of the foot webbing.References:
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http://frogsofborneo.org/ranidae/283-ranidae/staurois/guttatus/239-stauroisguttatus
