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Nautilus Life Cycle
Transcript of Nautilus Life Cycle
The nautilus is a cephalopod with a prominent head and tentacles.
Nautiluses are only found in the Western Tropical Pacific and inhabit the deep slopes of coral reefs.
Nautiluses usually inhabit depths of several hundred metres. It has long been believed that nautiluses rise at night to feed, mate and lay eggs.
Virtually unchanged in the last 500 million years, nautilus are considered by some
scientists to be "living fossils."
Nautiluses reproduce by laying eggs.
Females attach the fertilized eggs to rocks in shallow waters, where the eggs take eight to twelve months to develop.
The eggs take eight to twelve months to develop until the 30 millimetre juveniles hatch.
A newly hatched nautilus feeds on small shrimp and other small prey.
Nautilus are predators, feeding on shrimp and other crustaceans that they capture with
their tentacles. The lifespan of nautiluses may exceed 20 years, which is exceptionally lengthy for a cephalopod.
Nautilus spend much of their lives on the deep reef slopes at depths of
180 to360 metres.
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