|
gptkbp:instance_of
|
gptkb:genus
|
|
gptkbp:bfsLayer
|
6
|
|
gptkbp:bfsParent
|
gptkb:long-spined_sea_urchin
|
|
gptkbp:application
|
ecological studies
|
|
gptkbp:behavior
|
nocturnal
|
|
gptkbp:breathability
|
through tube feet
|
|
gptkbp:color
|
varies by species
during stress
to environment
among species
black, purple, or blue
|
|
gptkbp:common_name
|
gptkb:long-spined_sea_urchin
|
|
gptkbp:conservation_efforts
|
in some areas
|
|
gptkbp:conservation_status
|
varies by species
|
|
gptkbp:cultural_significance
|
in some regions
|
|
gptkbp:defense_mechanism
|
spines
|
|
gptkbp:diet
|
gptkb:product
|
|
gptkbp:distribution
|
tropical and subtropical oceans
|
|
gptkbp:ecological_role
|
keystone species
|
|
gptkbp:family
|
gptkb:Diadematidae
|
|
gptkbp:fishing_regulations
|
population decline
|
|
gptkbp:foot
|
calcareous
|
|
gptkbp:fossil_record
|
exists
|
|
gptkbp:habitat
|
marine environments
rocky substrates
from shallow waters to deep sea
|
|
gptkbp:has_feature
|
radial symmetry
|
|
gptkbp:headcount
|
long and sharp
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Diadema spp.
|
|
gptkbp:interacts_with
|
limited
|
|
gptkbp:is_a
|
gptkb:beach
|
|
gptkbp:is_essential_for
|
ecological role in coral reefs
|
|
gptkbp:larval_stage
|
high
indirect
planktonic
|
|
gptkbp:lifespan
|
up to 10 years
|
|
gptkbp:movement
|
slow movement
|
|
gptkbp:predators
|
gptkb:fish
|
|
gptkbp:reproduction
|
gptkb:sexual_reproduction
|
|
gptkbp:research_interest
|
marine biology
|
|
gptkbp:size
|
up to 30 cm in diameter
|
|
gptkbp:social_structure
|
hollow and flexible
|
|
gptkbp:species
|
limited
|
|
gptkbp:symbiotic_relationships
|
with certain algae
with clownfish
|
|
gptkbp:threats
|
habitat destruction
overfishing
|
|
gptkbp:wildlife
|
due to climate change
algal grazing
|