long-spined sea urchin

GPTKB entity

Statements (51)
Predicate Object
gptkbp:instance_of gptkb:beach
gptkbp:bfsLayer 5
gptkbp:bfsParent gptkb:Diadema_antillarum
gptkbp:adaptation spines for protection
gptkbp:application used in studies of marine biology
gptkbp:behavior nocturnal
solitary or in small groups
gptkbp:color can change based on environment
black or dark purple
can indicate stress
can be green or brown
gptkbp:composed_of test is hard and calcareous
gptkbp:conservation_efforts efforts to protect habitats
gptkbp:conservation_status varies by region
gptkbp:controls can help control algae growth
gptkbp:cultural_significance important in some local cuisines
gptkbp:defense_mechanism venomous spines
gptkbp:diet gptkb:beach
gptkbp:distribution tropical and subtropical oceans
gptkbp:ecological_role gptkb:product
gptkbp:environmental_impact sensitive to ocean acidification
gptkbp:fishing_regulations regulated in some areas
used as food
gptkbp:foraging_behavior scrapes algae off surfaces
gptkbp:fossil_record exists since the Cretaceous period
gptkbp:habitat coral reefs
rocky substrates
from shallow waters to depths of 60 meters
gptkbp:headcount long and sharp
https://www.w3.org/2000/01/rdf-schema#label long-spined sea urchin
gptkbp:larval_stage can travel long distances
planktonic larvae
settles on hard substrates
gptkbp:length up to 30 cm
gptkbp:lifespan up to 10 years
gptkbp:mating_system broadcast spawning
gptkbp:movement slow and crawling
gptkbp:predators gptkb:fish
gptkbp:related_species gptkb:Echinothrix_spp.
gptkbp:reproduction gptkb:sexual_reproduction
gptkbp:research_focus studied for ecological roles
gptkbp:scientific_name gptkb:Diadema_spp.
gptkbp:size up to 30 cm in diameter
gptkbp:species explored for farming.
gptkbp:sustainability_initiatives indicates reef health
gptkbp:symbiotic_relationships zooxanthellae
with certain fish species
gptkbp:threats overfishing
gptkbp:traded_on popular in marine aquariums
gptkbp:wildlife coral reef degradation affects populations
can overgraze algae