Experts have been taken aback by the dead marine fish, which have been photographed along New South Wales’ seafronts.

The weedy seadragons have been found in Cronulla, Malabar, and the Central Coast, and are considered to be 10 times more prevalent than regular wash-ups on the beaches.

“Clearly it’s a result of some combination of the awful weather, pollution being dumped into the ocean, and large surf,” Dr David Booth, professor of marine ecology at the University of Technology Sydney, told the Sydney Morning Herald.

Following weeks of unprecedented rains, dozens of strange and vivid species washed ashore on Australian beaches

Experts have been taken aback by the dead marine fish, which have been photographed along New South Wales’ seafronts.

The weedy seadragons have been found in Cronulla, Malabar, and the Central Coast, and are considered to be 10 times more prevalent than regular wash-ups on the beaches.

“Clearly it’s a result of some combination of the awful weather, pollution being dumped into the ocean, and large surf,” Dr David Booth, professor of marine ecology at the University of Technology Sydney, told the Sydney Morning Herald.

Their development may reach 45cm in length, and they are frequently found among the reefs, near to the seahorse, according to News AU.