Astacus astacus

GPTKB entity

Statements (59)
Predicate Object
gptkbp:instance_of gptkb:species
gptkbp:bfsLayer 3
gptkbp:bfsParent gptkb:fish
gptkbp:application biological studies
gptkbp:behavior nocturnal
gptkbp:breeding_season late spring to early summer
gptkbp:class gptkb:Malacostraca
gptkbp:climate varies by population
gptkbp:color greenish-brown
depends on habitat
during molting
gptkbp:common_name European crayfish
gptkbp:composed_of increases with age
gptkbp:conservation_efforts habitat restoration
gptkbp:conservation_status gptkb:Least_Concern
monitored by organizations
gptkbp:cultural_significance culinary use
gptkbp:diet omnivore
gptkbp:distribution rivers and lakes
gptkbp:egg_color up to 200 eggs
gptkbp:environmental_impact sensitive to temperature changes
gptkbp:family Astacidae
gptkbp:first_described_by gptkb:Linnaeus_1758
gptkbp:fishing_regulations regulated in many countries
trap fishing
regulated by law
gptkbp:fossil_record exists
gptkbp:frequency every few weeks
gptkbp:genetic_diversity important for resilience
gptkbp:growth_rate varies by environment
gptkbp:habitat freshwater
under rocks
clean, oxygen-rich water
https://www.w3.org/2000/01/rdf-schema#label Astacus astacus
gptkbp:is_essential_for aquaculture
gptkbp:larval_stage several weeks
zoea
gptkbp:lifespan up to 20 years
gptkbp:local_names varies by region
gptkbp:location under the carapace
gptkbp:migration seasonal movements
gptkbp:order gptkb:Decapoda
gptkbp:predators gptkb:fish
large claws
gptkbp:range gptkb:Europe
gptkbp:related_species Astacus leptodactylus
gptkbp:reproduction sexual
gptkbp:research_interest ecological studies
gptkbp:size up to 15 cm
gptkbp:social_structure solitary or in small groups
gptkbp:species with other aquatic organisms
gptkbp:strategic_importance fishing industry
gptkbp:symbiotic_relationships with certain fish species
gptkbp:threats habitat loss
gptkbp:traded_on requires specific conditions
gptkbp:water_quality critical for survival
gptkbp:wildlife in some regions
important for sustainability
affects population dynamics