Alex mazzadi alex science project saltwater crocs
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Saltwater crocodiles
Alex MazzadiGrade 6 fessenden school
Scientific Classification
Scientific Name
Crocodylus Crocodylus PorosusPorosus
Phylum Chordata
Class: Reptilia
Superorder: Crocodylomorpha
Order: Crocodylia
Superfamily: Crocodyloidea
Family: Crocodylidae
Apperance
•Grows up to 17 feet17 feet or 5m5m•Hard armourHard armour like skin ontop•Short legsShort legs•Long powerful tailtail•Thin powerful jawsjaws
A side and top view shows the different snouts of an alligatoralligator and a crocodilecrocodile. Saltwater crocodilesSaltwater crocodiles both top and bottom teeth showtop and bottom teeth show. American alligatorsAmerican alligators have only bottom teeth showingbottom teeth showing
Where the saltwater crocodile lives?
http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile/
•SaltSalt and fresh waterfresh water
regions in:
•Eastern India
•Southeast Asia
•Northern Australia
•They are excellent excellent
swimmers swimmers and have often
been spotted far out at seasea
Reprodution Breeding season for saltwater crocodiles usually
begins in late September. In captivitycaptivity the breeding season begins in August During this time, the crocs, male and female both,
become very aggressiveaggressive and territorialterritorial There are generally between 40-60 laid eggs40-60 laid eggs Eggs hatchhatch 65-95 days later after laid Not many eggs survive due to floods and
predators
http://animals.nationalgeographic.com/animals/reptiles/saltwater-crocodile/
Diet They’ll feed on anything
they can get their jaws on, including:
water buffalo, monkeys wild boar and even sharkssharks!!!
MARINEBIO. http://marinebio.org/species.asp?id=187
Predators HumansHumans AnacondasAnacondas Many eggs don’t
survive because are preyed by other animals
They are on the top top of the food chainof the food chain, so little to worry about !! Giant monster crocodile (1 ton
and 21 feet) captured in the Philippines by 9090 men
http://news.nationalpost.com/2011/09/06/photos-giant-salt-water-crocodile-captured-in-the-philippines/
Saltwater crocodiles contribute to the diversity
of life by: Keeping population controlpopulation control of: Fish Water buffalo Wild boar Turtles Snakes Birds Crabs Wild boar Buffalo Monkeys
Why Humans Hunt Crocodiles They regard them as a threatthreat to humans
and live stock For their leathery hideleathery hide (economic
reasons) For huntinghunting purposes For making new territorynew territory
What can be done to help Saltwater CrocodileSaltwater Crocodile survive?
Stop cutting down territory Stop hunting saltwater crocodiles Create crocodiles farmscrocodiles farms
Interesting facts Saltwater Crocodile is the earth’s largest earth’s largest
living crocodilianliving crocodilian Classic opportunistic predatorsopportunistic predators Population estimates range from 200,000 to
300,000 worldwide Considered at low risklow risk for extinction. ExplodeExplode from the water with a thrash of their
powerful tails GraspGrasp their victim, and dragdrag it back in, holding
it under until the animal drowns.
References http://animals.nationalgeographic.com/animals/reptiles/saltwater-
crocodile (Nov23.2011)
www.wikipedia.org (Nov25.2011)
www.britannic encyclopedia.com (Nov28.2011) http://w3.shorecrest.org/~Lisa_Peck/MarineBio/syllabus/
ch9vertebrates/reptilesandbirds/repbirdwp/barbara/repro.html (Nov23.2011)
MARINEBIO-http://marinebio.org/species.asp?id=187 (dec2.2011)
Thanks for watchingThanks for watching
…and Remember: Do Not Hunt Crocodiles!
Alex MazzadiScience Presentation
Grade 6- Fessenden School
Saltwater crocodiles
Alex MazzadiGrade 6 Fessenden School