There are dozens of sea slugs also known as “sea hares” at the lake entrance and in 28 years, including many a night prawning, she has never seen them in the lake before.

She photographed a series of the sea slugs in the lake that last week closed to the ocean after opening up a few months back after heavy rain.

There may be some incoming water at high tide, but no outgoing flow, she said.

“I have photographed four different coloured sea slugs but I am unsure if they are the same species,” she said.

The slugs appear to resemble “sea hares” that are common in our estuaries and rock pools. 

According to the Australian Museum, sea hares have a soft body, a small internal shell and large 'wings' or parapodia, which can be used for swimming. Once found they are easily identified by the black rings and black lines on their large olive-green body.

A number of other lakes in the area are now also closed and the prawning could be good this summer!