Figure 4From: Do mudskippers and lungfishes elucidate the early evolution of four-limbed vertebrates?Natural habitat and representative specimen of an amphibious fish from the tropics: Seychellen-Islands, tidal zone, which is composed of Pre-Cambrian granite (a). The rock-jumper, Istiblennius edentulis (b), inhabits these moist areas and frequently leaves the water to walk on stones (adapted from Hofrichter 2000).Back to article page