Newspaper article The Morning Bulletin (Rockhampton, Australia)

Red Spot's Not in Rockhampton Waters

Newspaper article The Morning Bulletin (Rockhampton, Australia)

Red Spot's Not in Rockhampton Waters

Article excerpt

AN ENDEMIC disease found in fish samples taken to discover what was killing fish in The Narrows and Gladstone Harbour has not been found in Rockhampton waters.

Red spot, a disease found in fish all over Australian coastal waters and in Asia, was evident in test samples taken during the current ban on fishing in Gladstone.

A spokeswoman for Biosecurity Queensland said the disease was typically caused by a fungus, Aphanomyces invadans, and occurred in fish when they were under stress.

The red spot disease, Epzootic ulcerative syndrome, develops as red spots that develop into ulcers, which can cause death in fish.

It has been found in estuarine fish including bream, mullet, whiting, eels and catfish.

The disease has also been found in freshwater fish farms as well as inland freshwater rivers.

While research has found links between highly acidic waters and the red spot disease, no such connection has been made in investigations to the latest outbreak to date. …

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