Transcript
sawfishsawfishBY:HANNAH NAYLORBY:HANNAH NAYLOR
GRADE 6GRADE 6FESENDEN SCHOOLFESENDEN SCHOOL
SCIENTIFIC CLASSIFICATIONSCIENTIFIC CLASSIFICATION• Kingdom: AnimaliaKingdom: Animalia• Phylum: ChordataPhylum: Chordata• Class: chondrich thyesClass: chondrich thyes• Sub class: elasmobranchiiSub class: elasmobranchii• Super order: batiodeaSuper order: batiodea• Order: pritisformesOrder: pritisformes• Family: pritisdeaFamily: pritisdea• Genara: anoxypritis Genara: anoxypritis
HABITATHABITAT• Found in tropical and sub tropical Found in tropical and sub tropical
places in the atlantic and indo pacificplaces in the atlantic and indo pacific• Sawfish live only in shallow muddy Sawfish live only in shallow muddy
water and can be found both in fresh water and can be found both in fresh water and salt waterwater and salt water
• All sawfish have the ability to transition All sawfish have the ability to transition from salt water to fresh waterfrom salt water to fresh water
• Places sawfish live is in australia and Places sawfish live is in australia and florida also can be found in tropical florida also can be found in tropical fresh waters fresh waters
LIFE CYCLELIFE CYCLE• Very little known about size, age Very little known about size, age
maturity, and reproduction of sawfish maturity, and reproduction of sawfish in floridain florida
• Comes from an egg, but hatches Comes from an egg, but hatches inside its motherinside its mother
• Smalltooth sawfish are born in late Smalltooth sawfish are born in late spring through summer in south spring through summer in south floridaflorida
• Can be up to 20 young in one litter Can be up to 20 young in one litter and each may measure between 1.5 and each may measure between 1.5 and 2.5 feetand 2.5 feet
APPEARENCEAPPEARENCE• Saw like rostrum (snout)Saw like rostrum (snout)• Snout is covered in electro sensitive Snout is covered in electro sensitive
pores that detect movement even pores that detect movement even under deep sea levels and undergroundunder deep sea levels and underground
• Looks like a flat headed sharkLooks like a flat headed shark• Skeleton made of cartilageSkeleton made of cartilage• Eyes are undeveloped due to muddy Eyes are undeveloped due to muddy
habitathabitat
PREDATORSPREDATORS• Adult sawfish have very little Adult sawfish have very little
predatorspredators• Crocodiles, large sharks, and marine Crocodiles, large sharks, and marine
mammals are known predators of mammals are known predators of even juvenile sawfisheven juvenile sawfish
DIETDIET
• Sawfish feed on small schools of fishSawfish feed on small schools of fish• They eat a smaller portion of larger They eat a smaller portion of larger
fishfish• Also eats invertabrates and Also eats invertabrates and
crusteceanscrusteceans
HOW DOES THIS ANIMAL HOW DOES THIS ANIMAL CONTRIBUTE TO LIFE?CONTRIBUTE TO LIFE? this animal helps keep the ocean and this animal helps keep the ocean and lakes animal kingdom in balancelakes animal kingdom in balance
HOW HUMANS CONTINUE HOW HUMANS CONTINUE TO IMPACT THIS ANIMAL TO IMPACT THIS ANIMAL AND ITS ENVIRONMENTAND ITS ENVIRONMENT• Humans keep polluting their waters Humans keep polluting their waters • They hunt them for their meat and They hunt them for their meat and
rich oilsrich oils
WHAT CAN BE DONE?WHAT CAN BE DONE?
• We can try to save the sawfish by not We can try to save the sawfish by not polluting their waters and not hunt polluting their waters and not hunt themthem
FUN FACTSFUN FACTS• Sawfish are almost extinctSawfish are almost extinct• Sawfish are the number one sea fish Sawfish are the number one sea fish
on the U.S endangered liston the U.S endangered list• Sawfish can grow up to 18 feetSawfish can grow up to 18 feet• Saw fishes saw are used as prized Saw fishes saw are used as prized
fisher mans trophiesfisher mans trophies
REFRENCESREFRENCES•www.wikipedia.com•www.google.ca•www.australiananimals.com•www.ask.com
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