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
|