Fisheries officials in Nagpur destroyed more than 36 tonnes of banned Thai Mangur fish seized from illegal ponds this week [1].

The operation targets an invasive species that is prohibited in India due to its potential to disrupt local aquatic ecosystems and outcompete native fish populations.

Local authorities conducted raids across 11 ponds [1] located in the Parshivni taluka of the Nagpur district in Maharashtra. The crackdown followed a strategic investigation where officials mapped potential farming sites and deployed dummy customers to verify that the banned fish were being farmed and sold illegally [2].

In total, officials recovered and destroyed 36,000 kg of the fish [2]. The Thai Mangur is known for its aggressive nature and ability to survive in poor water conditions, which makes it a threat to indigenous biodiversity if it escapes into open waterways.

Officials said the use of undercover operatives was necessary to confirm the scale of the illegal trade before moving in on the sites. The destruction of the seized biomass ensures that the invasive species cannot be reintroduced into the environment, or sold back into the market through unofficial channels.

This enforcement action is part of a broader effort by Maharashtra authorities to regulate aquaculture and prevent the introduction of non-native species that can cause long-term ecological damage to the region's river systems.

Fisheries officials in Nagpur destroyed more than 36 tonnes of banned Thai Mangur fish.

The use of dummy customers and mapping indicates a shift toward intelligence-led enforcement in India's fisheries sector. By targeting the Thai Mangur, authorities are prioritizing ecological security over aquaculture productivity, as invasive species can lead to the collapse of native fish stocks and permanent alterations to local freshwater habitats.