1. BC
has about 75 species of jellies. Paddling in Victoria's Outer
Harbour we see mostly three
types; the moon jelly, the lion's mane
jelly and the fried egg jelly.
2. Moon
jellies are bowl shaped, transparent orbs that undulate in the water
to move from place
to place. They also produce bioluminescence. When
agitated, the outer rim of the moon jelly will glow a green colour.
This colour is produced by two proteins called aequorin and green
fluorescent protein.
3. The lion's mane
jelly can grow to be very large. It has a full body with many long
tentacles streaming from it's body
that help it to catch food
floating in the water.
4. The fried egg jelly
is also very large. It has a yellow center with white surrounding. It
also has long tentacles streaming
below the center mass.
4. Zooplankton, small
fish and other jellies are the main diet of jellies. When food is
scarce they can survive by absorbing
amino acids from the ocean.
5. Jellies are made up
of 96 percent water, 3 percent protein and 1 percent minerals. They
are simple invertebrates
without brains, bones or hearts.
6. Jellies have survived in our oceans for over 300 million years unchanged.
7. Jellies have the ability to regenerate a small amount of tissue such as a tentacle or two when they are damaged.
8. Jellies are subject
to the motion of the ocean due to wind and tides. The moon jelly
undulates it's globe shaped body for
propulsion. It uses the sun as
a compass. The by the wind sailor jelly has a half moon "sail"
that catches the wind
which enables it to move through the water
faster.
9. The sting of a jelly
can be very painful. Most BC species are have a gentler sting than
their tropical counterpart but the
sting of the lion's mane jelly
can leave you in pain for hours. It is best to avoid an encounter with a jelly, even in the
Pacific Northwest.
10. Salted jellyfish is
a delicacy in China but none of the species found in BC are edible.
Some believe that jellies are an aid
for weight loss and beautiful
skin. New research suggests that jelly protein show promise as
treatment for Alzheimer's
and other degenerative diseases.
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