The new yellow sea snake assumes an unusual ambush posture

Carrying its petite frame and all-yellow skin, the recently scrutinized sea snake populations from Golfo Dulce, Costa Rica, already seem different enough to be characterized as a new subspecies. However, their most extraordinary trait is only exposed at night when the serpents opportunistically feed on small fish by hanging upside down from the water surface, assuming a peculiar sinusoidal ambush posture.