Tag Archives | fish as bioindicators

10 Tips for Eco-Friendly Fishing

If you talk to any environmentalist long enough, you are sure to get a warning about how food is going to run out. There is a growing concern that between the increasing demand for food caused by a growing population, combined with a decreasing supply of food caused by a loss of arable land through […]

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Using Fish as Bio-Indicators of Water Pollution

Tilapia now SA’s own bio-indicator of water pollution Southern African water specialists can now use a local Tilapiine species – instead of alien fish species – to test whether water sources are polluted by compounds that can cause hormonal imbalances. Such chemicals can subtly mimic the female hormone oestrogen and alter the male hormone testosterone, […]

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