Preliminary Test Results Received on Gladstone Fish Samples

The temporary fishing closure in an area centred on Gladstone Harbour will remain in place while further testing is carried out on conditions affecting some locally-caught fish.

Fisheries Queensland General Manager of Habitat and Assessment Dr John Robertson said initial test results identified two conditions, red-spot disease and a parasite.

"Red-spot disease is endemic and is seen in Queensland waters occasionally," Dr Robertson said.

"In Queensland, red-spot disease usually occurs either during winter months when the immunity of the fish is lower, or following the first heavy rainfall of the wet season.

"Red-spot disease starts with a red spot, hence the name, but can develop into burn-like marks, or ulcers with red centres."

"It is typically caused by a fungus and often occurs in fish when they are under stress."

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