An effective date or as of date is the date upon which something is considered to take effect. This may be different from the date upon which the event actually occurs or is recorded.
The Eunectes Four. Four species of semiaquatic South American boas go by the name of anaconda. One is the green anaconda (Eunectes murinus), which occurs in countries such as Brazil, Bolivia, Peru, Ecuador, French Guiana, Guyana, Colombia, Venezuela and the island of Trinidad. The yellow anaconda (E. notaeus) is the only other Eunectes species commonly seen in the pet trade.
The yellow anaconda is the second largest type of anacondas in the world. An adult yellow anaconda has a length between 10 and 15 feet and weighs up to 60 kg. Yellow anacondas are endemic to South America. They inhabit in swamps, marshes and rivers. This big snake is a non-venomous member of boa snake family.