Nautilus pompilinus - GS questions based on daily current affairs

1)   Which of the following is/are true regarding Nautilus pompilinus?

1) Nautilus pompilinus, the pelagic marine mollusk is protected under Wildlife Protection Act, 1972.
2) The animal has also been included in CITES.


a. Only 1
b. Only 2
c. Both 1 and 2
d. Neither 1 nor 2
Answer  Explanation 

ANSWER: Only 1

Explanation:

  • The species has been accorded legal protection by including it in the Schedule 1 of the Wildlife Protection Act, 1972. The hunting or possession of the animals included in the Schedule is a punishable offence in the country.
  • Some animals, which die a natural death may float in water and land in shores, which are picked up by collectors. The fancy look and the shiny lustre make it a collector’s item. The shells are believed to be fetch high price in trade. There are reports of the shells, which are washed ashore, collected and clandestinely traded.
  • The species has relatively small population and are vulnerable to fisheries and also anthropogenic activities. Yet, no scientific data is available on its population in India. The species has not been currently assessed by the International Union for Conservation of Nature, says a scientific report.
  • The inclusion of the animal in the CITES list would ensure a global regulation in its trade. It would also extend the legal cover globally for the species, which is considered as rare link to the evolutionary history of animals.
  • It is yet to be included in CITES.


2)   Nautilus pompilinus, the pelagic marine mollusk has which of the following features

1) Poor regeneration capacity
2) Rarity of the animal
3) Long life span


a. 1, 3
b. 2, 3
c. 1, 2
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:

  • Nautilus pompilinus, the pelagic marine mollusc with one of the oldest animal lineages on the planet.
  • The palm-sized adult animal, which could live up to 20 years in ocean depths.
  • Marine fisheries experts have recommended that the species shall be listed in CITES considering the rarity of the animal and its poor regeneration capacity.
  • The species is commonly known as pearly nautilus considering the pearly nacre on its external shell. The animal has a chambered shell with limited mobility.
  • It’s commonly found in ocean depths of 700 metres.
  • Earlier researches have pointed out that the “low egg number, late maturity, long gestation and long life span of the Nautilus make the species vulnerable.”