Fish is a popular dish ... Male fingerlings grows almost twice as fast as females, so stock more males. Tilapia tends to breed easily, which can lead to overcrowding that can then stunt growth.

Blackchin tilapia breed rapidly year-round, survive in both freshwater and saltwater, and have an omnivorous diet, preying on native species of fish, shellfish and other invertebrates. Experts ...

Researchers are on edge at the discovery of the tilapia in the Mitchell River after post-cyclone flooding spreads the invasive pest further in Far North Queensland.

Due to their rapid breeding and adaptability, blackchin tilapia have now overrun the country's waterways, aggressively feeding on native fish and pushing many species towards extinction.