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gptkbp:instance_of
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gptkb:Order
|
|
gptkbp:bfsLayer
|
4
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|
gptkbp:bfsParent
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gptkb:dogfish
|
|
gptkbp:behavior
|
solitary or schooling
|
|
gptkbp:body_style
|
fusiform
|
|
gptkbp:category
|
part of Chondrichthyes
|
|
gptkbp:color
|
varies by species
|
|
gptkbp:conservation_status
|
varies by species
|
|
gptkbp:cultural_significance
|
fishing communities
|
|
gptkbp:depth
|
up to 3000 meters
|
|
gptkbp:diet
|
carnivorous
|
|
gptkbp:distribution
|
worldwide
|
|
gptkbp:fins
|
heterocercal tail
|
|
gptkbp:first_appearance
|
Late Jurassic
|
|
gptkbp:fishing_regulations
|
overfishing concerns
|
|
gptkbp:habitat
|
deep sea
|
|
gptkbp:has_skin
|
rough
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Squaliformes
|
|
gptkbp:includes
|
dogfish sharks
spiny sharks
|
|
gptkbp:is_characterized_by
|
two dorsal fins
elongated bodies
no swim bladder
|
|
gptkbp:is_divided_into
|
gptkb:Somniosidae
gptkb:Squalidae
gptkb:Squaliformes
gptkb:Dalatiidae
Etmopteridae
Centrophoridae
Echinorhinidae
Heptranchidae
Mitsukurinae
Pseudotriakidae
Scyliorhinidae
Squalinae
|
|
gptkbp:is_found_in
|
marine environments
|
|
gptkbp:migration
|
some species are migratory
|
|
gptkbp:mouth
|
sharp and pointed
|
|
gptkbp:notable_species
|
gptkb:Isurus_oxyrinchus
Squalus acanthias
Centroscymnus coelolepis
Etmopterus spinax
Squalus megalops
|
|
gptkbp:predators
|
gptkb:fish
gptkb:mythological_figure
crustaceans
larger sharks
|
|
gptkbp:related_to
|
gptkb:Elasmobranchii
|
|
gptkbp:reproduction
|
ovoviviparous
|
|
gptkbp:research_focus
|
ecological studies
|
|
gptkbp:senses
|
gptkb:ampullae_of_Lorenzini
|
|
gptkbp:species
|
approximately 120
|
|
gptkbp:traded_on
|
some species in public aquariums
|