purple sea urchin

GPTKB entity

Statements (61)
Predicate Object
gptkbp:instance_of gptkb:beach
gptkbp:bfsLayer 6
gptkbp:bfsParent gptkb:Paracentrotus_lividus
gptkb:Sea_Urchins
gptkbp:application in developmental biology
gptkbp:behavior nocturnal feeding
gptkbp:body_style calcium carbonate
hard exoskeleton
gptkbp:color gptkb:Detective
purple
during stress
due to environmental factors
greenish to brownish
gptkbp:color_options depends on diet
gptkbp:conservation_status not endangered
gptkbp:cultural_significance in some coastal communities
gptkbp:defense_mechanism spines and toxins
gptkbp:diet gptkb:beach
gptkbp:distribution gptkb:Pacific_Ocean
gptkbp:ecological_role important for kelp forest ecosystems
gptkbp:egg_color yellow to orange
gptkbp:environmental_impact habitat loss
in some species
gptkbp:fishing_regulations in some regions
gptkbp:foraging_behavior scraping algae off rocks
gptkbp:fossil_record exists
gptkbp:genetic_diversity completed
gptkbp:habitat rocky shores
from Alaska to Mexico
intertidal to subtidal zones
prefer rocky substrates.
gptkbp:headcount long and sharp
https://www.w3.org/2000/01/rdf-schema#label purple sea urchin
gptkbp:hunting_technique for culinary use
gptkbp:is_essential_for ecological role
gptkbp:larval_stage gptkb:beach
filter feeding
planktonic
indirect development
affected by temperature
via ocean currents
gptkbp:lifespan up to 30 years
gptkbp:marketed_as food source
gptkbp:movement slow crawling
gptkbp:nesting spring to summer
gptkbp:population by predators and environmental factors
gptkbp:predators sea otters
gptkbp:related_species gptkb:red_sea_urchin
gptkbp:reproduction external fertilization
spawning
gptkbp:research_focus gptkb:Model
in marine biology studies
gptkbp:restoration can regenerate spines
gptkbp:scientific_name Strongylocentrotus purpuratus
gptkbp:seasonal_activities migrate to deeper waters in winter
gptkbp:size up to 10 cm in diameter
gptkbp:species being explored
gptkbp:symbiotic_relationships zooxanthellae
with certain fish species
gptkbp:wildlife pollution and overfishing
overgrazing of kelp forests