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 |