fish research project- stingray anna lowrey. it’s many names common name- stingray scientific...
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Fish Research Project-
Stingray
Anna Lowrey
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It’s many names
Common name- Stingray
Scientific name- Dasyatis Fluviorum
Kingdom- Animalia
Phylum- Chordata
Class- Chondrichtheyes
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Size and HabitatSize- Varity of sizes up to 14ft.
From 1-750 lbs.
Habitat-Stingrays are commonly found in the shallow
coastal waters of temperate seas. They spend the majority of their time inactive, partially buried in sand, often moving only with the sway of the tide
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DistributionWorldwide tropical and sub-tropical waters. Their main contact area with humans is in very shallow water.
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Stingrays have evolved from sharks for the past thousands of years.
When did they evolve?
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Habits
Feeding
The major part of the stingray's diet consists of worms, carrion, squid and crustaceans. The stingrays' mouth is on it's underside of it's body, which enables it to dig crabs and shrimp out of the sea bed. The stingray's teeth are primarily used for cracking the shells of it’s prey.
Breeding
Some rays lay eggs while others reproduce giving birth to live young that develop in the womb without a placenta. Fertilization is always internal. Rays have a long gestation period and produces relatively few young compared to other fish. The growth of ray populations, therefore, is slow.
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How many are there?
98 different species found so far
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Statistics5,000 stingray attacks are reported
each year in the United States.
There have now been two deaths reported in Australia after the barb
of the stingray penetrated the heart.
At least 17 fatalities from stingrays have occurred worldwide, including
New Zealand, Surinam, West Atlantic, Texas, Fiji, California,
Australia, and many more from a fresh-water species in Colombia.
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Can be huge tourist attractions
Ancient Greek dentists used the venom from the stingray's spine as an anesthetic.
Humans use
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Interesting InfoThe stingray's coloration commonly reflects the seafloor's shading, camouflaging it from predatory sharks and larger rays.
The stingray's coloration commonly reflects the seafloor's shading, camouflaging it from predatory sharks and larger rays
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Quiz!
What phylum does the stingray belong to?
How much can a stingray weigh?
What is one thing that a stingray’s diet consists of?
How may species of stingrays are there?
What did ancient Greek dentists used the venom from the stingray's spine for?
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Answer Key
Chordata
1 to 750 pounds
Worms, carrion, squid and crustaceans ( one of these)
98 species
An anesthetic
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The End