Nautilus pompilinus, the pelagic marine mollusk

Q.  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

- Published on 06 Apr 16

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

ANSWER: All of the above
 
  • 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.”

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