BANNED EXOTIC SPECIES
What’s in news?
A special drive was launched to destroy the cultivation centres of the exotic Thai Mangur fish.
- Launched in: The drive to destroy the cultivation of the exotic species was launched by Maharashtra.
- The decision is the outcome of a meeting held between fish traders and officials of the Maharashtra fisheries department.
- Reason for the ban: Following are the reasons to ban the fish;
- The fish is cultivating in the unhygienic conditions – when the people consume the fish or the water where it grows, they fell sick.
- It is said to be carcinogenic to consume and it affects the bio-diversity.
- It preys on indigenous varieties of fish – which may lead in decline of indigenous population.
- Previous ban: The sale and cultivation of the fish was banned previously by the National Green Tribunal in 2000 and again it was banned in January 2019 – but it was not implemented effectively.
- So far: The state government of Maharashtra has destroyed stocks of 57 tonnes in total in various places across the state.
About Thai Mangur:
- Other names: The exotic species Thai mangur was also known as African Mangur or foreign Mangur – they called so because of its appearances is somewhat like fresh water Mangur.
- IUCN Status: Least Concern.
- Habitat: The fish normally lives on in slow-moving and often stagnant waters in ponds, swamps, streams and rivers, flooded rice paddies or temporary pools which may dry up.
- With the recent study, the Mangur fish is responsible for 70% decline in native fish species of the country.
- Prey on: The fish prey on all form of life found in the inland waters except crocodiles.
- Length: They can grow up to 3 to 5 feet.
- They cultivate in unhygienic conditions by feeding the rotten meat with spinach which pollutes the water body.
- Introduced in India: The fish was introduced in India by 1990’s and it was promoted by the government officials due to few advantages;
- They can cultivate in inland waterways
- They can yield high income with low investments.
- It is popular because, it is an omnivorous diet, burrowing capabilities, ability to survive on land and ability to hide in vegetation make the species easy and economical for farming.
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