The message to go forth and multiply for the good of Singapore has not gone unnoticed.

Two otters were caught on video making the beast with two backs in the middle of Marina Reservoir.

Otter love

You can see the video for yourself below (NSFW).

Otter population boom

How did the population of otters in Singapore experience a boom?

Clean waterways and an abundance of fish are the main reasons cited for the reentry of otters into Singapore's urban ecosystem.

Over the past few years, several otter families have emerged and laid down roots in various habitat areas in Singapore.

It is estimated that there are about 10 families and a total of 70 otters on the island.

Pair of Marina and Bishan otters elope

The otter love story was playing out in full force recently.

In May 2017, it was reported that one male from the Marina family has been trying to befriend the young Bishan otters by sneaking in visits whenever their parents are away.

Eventually, the young Bishan pups “accepted his friend request”. The Marina otter then found a girlfriend -- a female otter from the Bishan clan -- who appears to have left her family and eloped with the brave male.

The Marina and Bishan families are fierce rivals.

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How otters mate

One way female otters show their interest is by rolling around with the male. This playful activity helps the female otter increase the amount of hormones being released.

The male otter may bite the female otter's nose to indicate interest.

This courtship process takes place on land, while the actual mating process takes place in the water -- as seen in the video above.

It takes between 60 days and nine months from conception to the time when they pups are born.

A female otter can produce a litter of between one and six offspring.

In the wild, otters are vulnerable from birth and it is predicted that only 25 percent of female otters mature enough to mate.

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Top image via Pixabay