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Consider the following statements regarding the Armoured Sailfin Catfish:
1. It is considered an invasive species.
2. It has the ability to endure in oxygen-deprived conditions.
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Consider the following statements regarding the Armoured Sailfin Catfi...
CSIR-Centre for Cellular and Molecular Biology (CCMB) scientists have found out that the armoured sailfin catfish has spread to 60% in the water bodies of Eastern Ghats, damaging the fishing nets and the ecosystem.
  • It is commonly referred to as the Rakashior devil fish.
  • Scientifically known as Pterygoplichthys and is an invasive species.
  • It possesses an uncanny ability to subsist on a diverse diet and can endure oxygen-deprived conditions. It can even navigate on land using its powerful fins.
  • It was once introduced for its unique appearance and its ability to clean algal growth in tanks and aquaria.
  • Out of the 14 species listed as invasive by the National Biodiversity Authority (NBA) of India, six were introduced solely for the ornamental fish trade.
  • Among those six listed species, four belong to Pterygoplichthys, remarking it to be one of the most invasive genera of fish.
  • It has garnered notoriety due to its lack of commercial value, formidable sharp spines, and robust body, which pose a threat to fishing nets and have even caused injuries to fishermen in some instances. 
  • Impact on biodiversity: It is known to voraciously consume native fish species, jeopardizing the delicate aquatic ecosystem.
  • Its population has grown exponentially and this was realised through a unique ‘eDNA-based quantitative PCR assay’ developed by the institute scientists to map the presence and spread of such invasive species,
Hence both statements are correct.
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Consider the following statements regarding the Armoured Sailfin Catfish:1. It is considered an invasive species.2. It has the ability to endure in oxygen-deprived conditions.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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