Fig. 4 in Habitat use and behaviour of the Irrawaddy dolphin, Orcaella brevirostris and the Indo-Pacific finless porpoise, Neophocaena phocaenoides off the west coast of Penang Island, Malaysia

Fig. 4. Comparison of Irrawaddy dolphin and finless porpoise sightings across distance from the shore (km) and depth of water (m) in west Penang Island, Malaysia.