South Asian river dolphin The sphincter-like structure is capable of sensing light, and may be able to sense the direction from where the light was emitted. However, the muddy waters, or low light conditions, that the "Platanista gangetica" inhabit negate the use of the little vision that remains. The Ganges subspecies shows object-avoidance behavior in both the consistently heavily murky waters of its habitat and in clear water in captivity, suggesting that it is capable of using echolocation effectively to navigate and forage for prey. However, there is limited information on how extensively vocalization is utilized between individuals. This subspecies of river dolphin is
European Endangered Species Programme Community Association of Zoos and Aquaria (ECAZA). Currently, preparations are being made to find a pan-European zoo association that, among other tasks, will be responsible for EEP affairs. European Endangered Species Programme The European Endangered Species Programme (EEP) is a population management programme for animals of the European Association of Zoos and Aquaria (EAZA). It is one of the worldwide assembly of such regional breeding programs for threatened species in zoos. The North America counterpart is the Species Survival Plan (SSP), while Australian, Japanese and Indian zoos also have similar programs. Combined, there are now many hundred zoos worldwide involved