With reference to the invasive alien species in Kerala's water bodies, consider the following statements: 1. Mozambique tilapia is identified as one of the invasive fish species in the state. 2. The Kerala State Biodiversity Board submitted a seven-point plan to mitigate these species. 3. The plan identifies a total of 50 invasive alien species affecting the state's water bodies. Which of the statements given above is/are correct?

Kerala State Biodiversity Board submits plan to mitigate 32 invasive alien species

GS3Economy · S&T · Environment · Security· Biodiversity & conservation· Prelims· 12 October 2026

Invasive species and biodiversity conservation: a relevant GS3 Environment and Ecology topic.

Why in news

The Kerala State Biodiversity Board submitted a seven-point plan to the state government to mitigate the impact of 32 invasive alien species on water bodies.

Background

The plan identifies 32 invasive alien species, including 4 plants and 28 fish species such as Mozambique tilapia. These species are affecting 44 rivers, 18 reservoirs, and two lakes in Kerala.

Facts for Prelims

EnvironmentMozambique tilapia is identified as one of the invasive fish species in Kerala's water bodies.
BodyKerala State Biodiversity Board is the body responsible for submitting the mitigation plan.
FactThe invasive species are affecting a total of 44 rivers, 18 reservoirs, and two lakes.

Prelims practice question

With reference to the invasive alien species in Kerala's water bodies, consider the following statements:

Mozambique tilapia is identified as one of the invasive fish species in the state.
The Kerala State Biodiversity Board submitted a seven-point plan to mitigate these species.
The plan identifies a total of 50 invasive alien species affecting the state's water bodies.

Which of the statements given above is/are correct?

(a)1 only
(b)3 only
(c)1 and 2 only
(d)1 and 3 only

Show answer

Answer: (c) 1 and 2 only — Statements 1 and 2 are correct. Statement 3 is incorrect: The plan identifies 32 invasive alien species.

For Mains

Q. Discuss the ecological and economic implications of invasive alien species on India's freshwater ecosystems and suggest measures for their mitigation.

Dimensions to cover in your answer

Ecological imbalance: Competition with indigenous fish species leading to loss of native biodiversity
Regulatory gap: Need for a unified legal framework to streamline biodiversity loss management
Economic impact: Potential threat to inland fisheries and local livelihoods in Kerala

Keywords: Invasive alien species · Biodiversity conservation · Freshwater ecosystems · Ecological integrity · Mitigation strategy

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