Statements (52)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:fish
|
gptkbp:bfsLayer |
8
|
gptkbp:bfsParent |
gptkb:Nurse_Shark
|
gptkbp:behavior |
nocturnal
solitary or in small groups studied for social interactions |
gptkbp:body_style |
cartilaginous skeleton
|
gptkbp:breeding_season |
spring to summer
|
gptkbp:color |
can change color based on environment
brown or gray with dark markings |
gptkbp:common_name |
horn sharks
|
gptkbp:conservation_efforts |
monitoring populations
|
gptkbp:conservation_status |
gptkb:Least_Concern
|
gptkbp:cultural_significance |
featured in local folklore
|
gptkbp:diet |
carnivorous
|
gptkbp:distribution |
tropical and subtropical waters
|
gptkbp:ecological_role |
important predator in their ecosystem
|
gptkbp:educational_programs |
used in marine education.
|
gptkbp:egg_color |
spiral-shaped
|
gptkbp:family |
Heterodontidae
|
gptkbp:fins |
two dorsal fins
|
gptkbp:fishing_regulations |
regulated in some areas
caught by bottom trawling |
gptkbp:fossil_record |
dating back to the Cretaceous period
|
gptkbp:gestation_period |
approximately 10 months
|
gptkbp:habitat |
coastal waters
rocky reefs and kelp forests |
gptkbp:has_skin |
rough and sandpaper-like
|
https://www.w3.org/2000/01/rdf-schema#label |
Bullhead sharks
|
gptkbp:lifespan |
up to 25 years
|
gptkbp:notable_feature |
spiny dorsal fins
|
gptkbp:notable_work |
indicate population stability in some regions
|
gptkbp:order |
gptkb:Carcharhiniformes
|
gptkbp:predators |
larger sharks and humans
|
gptkbp:public_perception |
often misunderstood as dangerous
|
gptkbp:reproduction |
ovoviviparous
|
gptkbp:research_interest |
studied for their unique reproductive methods
|
gptkbp:senses |
well-developed sense of smell
|
gptkbp:size |
up to 1.5 meters
|
gptkbp:species |
five pairs
not commonly farmed Heterodontus francisci Heterodontus galeatus Heterodontus japonicus Heterodontus portusjacksoni |
gptkbp:speed |
slow and deliberate
typically found at depths of 0 to 100 meters |
gptkbp:symbiotic_relationships |
with cleaner fish
|
gptkbp:threats |
habitat destruction
overfishing |
gptkbp:traded_on |
popular in public aquariums
|
gptkbp:young |
called pups
|