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gptkbp:instance_of
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gptkb:species
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gptkbp:bfsLayer
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6
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gptkbp:bfsParent
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gptkb:Savigny’s_sea_urchin
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gptkbp:average_temperature
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Tropical waters
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gptkbp:behavior
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gptkb:Nocturnal
Solitary
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gptkbp:body_style
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Globular
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gptkbp:breathability
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Through tube feet
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gptkbp:class
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gptkb:mythological_figure
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gptkbp:color
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Dark brown to black
Black or dark brown
Can change color based on environment
Camouflage with algae
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gptkbp:common_name
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Black Sea Urchin
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:dam
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Saltwater
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gptkbp:defense_mechanism
|
Venomous spines
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gptkbp:diet
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gptkb:product
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gptkbp:distribution
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Indo-Pacific region
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gptkbp:ecological_role
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Grazing on algae
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gptkbp:family
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gptkb:Diadematidae
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gptkbp:first_described_by
|
Lamarck, 1816
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gptkbp:fishing_regulations
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Overfishing of predators affects population
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gptkbp:foot
|
Endoskeleton
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gptkbp:fossil_record
|
Pleistocene
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gptkbp:genus
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gptkb:Echinothrix
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gptkbp:growth_rate
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Moderate
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gptkbp:habitat
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gptkb:Coral_reefs
Rocky substrates
1 to 30 meters
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gptkbp:headcount
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Long and sharp
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|
https://www.w3.org/2000/01/rdf-schema#label
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Echinothrix diadema
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gptkbp:is_essential_for
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Ecological role in reef health
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gptkbp:kingdom
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gptkb:mythological_figure
|
|
gptkbp:larval_stage
|
Several weeks
Pluteus larva
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gptkbp:length
|
Up to 5 cm
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gptkbp:mating_system
|
External fertilization
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gptkbp:movement
|
Slow movement using tube feet
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gptkbp:order
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gptkb:Diadematoida
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gptkbp:phylum
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gptkb:mythological_figure
|
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gptkbp:predators
|
Fish and sea turtles
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gptkbp:related_species
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gptkb:Diadema_setosum
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gptkbp:reproduction
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Sexual reproduction
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gptkbp:research_focus
|
Studied for reef ecology
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gptkbp:size
|
Up to 10 cm in diameter
|
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gptkbp:symbiotic_relationships
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gptkb:beach
|
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gptkbp:threats
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Habitat destruction
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gptkbp:traded_on
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Occasionally kept in aquariums
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gptkbp:wildlife
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Marine protected areas beneficial
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