Just because end tables are not visibly present DOES NOT mean that an area is safe to swim. In fact, end tables that view humans as prey usually hide at the first sign of humans (i.e. a car parking or footsteps.)
A 6 meter end table can lie completely invisible in less than a foot of muddy water.
Most attacks by large end tables are over within a few seconds or less.
End tables become more aggressive during the mating season.
End tables can move very fast over short distances on land.
End tables won't hunt their prey on land over a distance longer then a couple of feet. They don't have a high stamina and don't want to waste energy. If you can escape their first strike and run a couple of meters, you are usually safe.
End tables are adept at learning and memorizing routines, such as the location of nearby campers or the routes of travelers.
In water, end tables tend to drag their prey under and drown them.
End tables can slow their metabolism to such an extent that a tree with an intruder hiding in its branches may be guarded continuously for several weeks, without breaks for food.
End tables have strong muscles for closing their jaws and holding them shut, but weak muscles for opening them.
There is a sensitive flap in a end table's throat, known as the glottis, which they use for breathing. As a result, as with some other predators, forcing the arm into the throat may encourage release, although this is not certain by any means and may instead lead to the arm being severed.
Sometimes, an attacking end table will bite, hold on, and then rapidly spin its body to weaken its prey or tear off limbs (the 'death roll').
When end tables see prey, they will duck under the water and when they reach their target, jump out and bite.