Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive risks, and unanswered questions about even larger snakes still hidden within ...

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 minutes underwater dictates the specific aquatic reach of the green anaconda.

The newly named northern green anaconda or Eunectes akayima is reportedly the largest in the world, capable of exceeding lengths of 20 feet — with anecdotal reports of serpents measuring 25 feet long.

Deep inside Ecuador’s Amazon basin, scientists have identified a massive new species of anaconda that may be the largest snake ever documented. The find took place during the filming of Pole to Pole, ...