Species Profile
Astacus
Crayfish
KingdomAnimalia
PhylumArthropoda
ClassCrustacea
OrderUnknown
FamilyUnknown
Introduction
Freshwater decapod crustacean.
Lives in rivers and streams.
Size & Structure
01
Elongated body
02
Large chelae
03
Dark brown colour
04
Segmented abdomen
Astacus — 3D Model
General Features
- Coelom
- Coelomate
- Body plan
- Tube within a tube body plan (Protostomous)
- Germ layer
- Triploblastic
- Metamerism
- Present
- Body symmetry
- Bilateral symmetry
- Fertilization
- Internal
- Digestion type
- Complete digestion
- Nervous system
- Ventral nerve cord
- Excretory organ
- Green glands
- Body temperature
- Poikilothermic (euryhaline)
- Circulatory type
- Open circulatory system
- Development type
- Direct development
- Respiratory type
- Branchial respiration
- Mode of excretion
- Ammonotelism
- Circulation system
- Open
- Skeleton structure
- Exoskeleton
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoregulator
Ecology
Omnivorous bottom dweller
Recycles organic matter
Part of freshwater food web
Economic Importance
Edible crustacean
Aquaculture importance
Research organism