Bangkok Post
Tilapia fish genes 'diverse'
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A genetic study of blackchin tilapia populations in Thailand has found high levels of genetic diversity among the invasive fish, but the DNA evidence could not determine how the species entered or spread across the country.
Key facts
- The study, led by Porntep Punnarak of the Aquatic Resources Research Institute, analysed 466 specimens collected from 20 locations nationwide to examine the species' genetic structure across Thailand.
- A genetic study of blackchin tilapia populations in Thailand has found high levels of genetic diversity among the invasive fish, but the DNA evidence could not determine how the species entered or spread across the country.
- The study identified 19 distinct genetic haplotypes among blackchin tilapia populations, indicating a relatively high level of genetic diversity.
- Some haplotypes were widely distributed across multiple regions, while others appeared restricted to specific localities.
Summary
The study, led by Porntep Punnarak of the Aquatic Resources Research Institute, analysed 466 specimens collected from 20 locations nationwide to examine the species' genetic structure across Thailand.
The study identified 19 distinct genetic haplotypes among blackchin tilapia populations, indicating a relatively high level of genetic diversity.