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gptkbp:instance_of
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gptkb:Shark
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gptkbp:aquarium_trade
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popular in aquariums
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gptkbp:behavior
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social
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gptkbp:breeding_season
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spring to summer
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gptkbp:character_traits
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aggressive when threatened
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gptkbp:color
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gray to brown
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gptkbp:conservation
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marine protected areas
fishing bans
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gptkbp:conservation_status
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vulnerable
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gptkbp:cultural_representation
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in movies and media
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gptkbp:cultural_significance
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featured in folklore
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gptkbp:diet
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gptkb:carnivore
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gptkbp:distribution
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tropical and subtropical waters
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gptkbp:documentary
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featured in marine documentaries
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gptkbp:ecological_role
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top predator
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gptkbp:family
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gptkb:Sphyrnidae
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gptkbp:fishing_regulations
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catch limits
protected in some areas
longlining
gillnetting
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gptkbp:fossil_record
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ancient relatives exist
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gptkbp:genus
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gptkb:Sphyrna
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gptkbp:gestation_period
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9 to 12 months
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gptkbp:habitat
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coastal waters
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gptkbp:habitat_preference
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shallow waters
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gptkbp:has_natural_feature
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wide-set eyes
hammer-shaped head
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gptkbp:has_pet
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about 2 feet
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gptkbp:has_skin
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rough texture
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https://www.w3.org/2000/01/rdf-schema#label
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Hammerhead shark
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gptkbp:human_interaction
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rarely attacks
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gptkbp:lifespan
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20 to 30 years
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gptkbp:migration
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seasonal
follow prey
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gptkbp:mouth
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triangular and serrated
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gptkbp:population_trend
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declining
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gptkbp:predators
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larger sharks
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gptkbp:public_perception
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misunderstood species
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gptkbp:reproduction
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ovoviviparous
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gptkbp:research
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anatomy and physiology
ecology and behavior
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gptkbp:research_interest
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conservation efforts
behavioral studies
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gptkbp:senses
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electroreception
excellent vision
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gptkbp:size
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up to 20 feet
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gptkbp:social_structure
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schools
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gptkbp:species
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gptkb:Sphyrna_lewini
gptkb:Great_hammerhead
gptkb:Scalloped_hammerhead
gptkb:Winghead_shark
gptkb:Smooth_hammerhead
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gptkbp:symbiotic_relationships
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with cleaner fish
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gptkbp:threats
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overfishing
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gptkbp:tourism
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shark diving experiences
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gptkbp:young
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pups
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gptkbp:bfsParent
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gptkb:Shark
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gptkbp:bfsLayer
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4
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