Ma r i t i M e tr i v i a
Lowtide
About 250 alien species of marine The porous limestone skeletons of
life are found in San Francisco Bay.
By Br y a n He n r y
corals have been used for human bone
grafts.
Fishes’ tails lie vertically in the After losing an arm, a sea star can
water and move from side to side, while regrow it through a year-long process Coral has been used to make
whales have horizontal tails that they known as regeneration. compounds for violin varnishes.
beat up and down for movement.
The world contains about 110,000 The skin and gristle of the ocean
Blue whales have the largest heart square miles of coral reefs. sunfish (Mola mola) form a suit of armor
of any animal. so thick and hard that it can stop a rifle
Many reef fishes use camouflage bullet.
The blue whale was the greatest by changing their appearance and
prize for whalers because it produced colors. The hogfish, of the wrasse clan, Some squid grow only to about an
about 120 barrels of oil. is orangish during the day to blend with inch long, others as much as 12 feet.
the colorful reef. At night while sleeping
Sperm whales, which dive to great on white sand, it turns white, making it Like opossums, opossum shrimp
depths, can hold their breath for up to less visible to nocturnal predators. also have a brood pouch.
an hour.
Without coral reefs, which act as There are about 2,000 species of
The largest fish in the sea is the natural barriers that protect shorelines shrimp found worldwide.
whale shark, reaching lengths of more from the sea, parts of Florida would be
than 40 feet and weights of 20 tons. under water. There are about 55,000 kinds of
saltwater snails.
The name bottlenosed dolphin was Baby corals are called planulae.
given to it by American sailors because With taste buds located all over their
it reminded them of a certain kind of gin Coral reefs provide food and shelter entire bodies, catfish can taste objects
bottle. to about 25% of all marine species. merely by touching them.
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2305 Bay Avenue, Hoquiam, WA, 98550
48° No r t h , Ma r c h 2009 Pa g e 27
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