Species Profile
Daphnia
Water flea
KingdomAnimalia
PhylumArthropoda
ClassCrustacea
OrderUnknown
FamilyUnknown
Introduction
Freshwater planktonic crustacean.
Important in aquatic food chains.
Size & Structure
01
Very small size
02
Laterally compressed body
03
Transparent carapace
04
Large second antennae
Daphnia — 3D Model
General Features
- Coelom
- Coelomate
- Body plan
- Tube within a tube body plan (Protostomous)
- Germ layer
- Triploblastic
- Metamerism
- Absent
- Body symmetry
- Bilateral symmetry
- Fertilization
- Internal
- Digestion type
- Complete digestion
- Nervous system
- Simple ganglionic system
- Excretory organ
- Antennal glands
- Body temperature
- Poikilothermic (euryhaline)
- Circulatory type
- Open circulatory system
- Development type
- Direct development
- Respiratory type
- Cutaneous respiration
- Mode of excretion
- Ammonotelism
- Circulation system
- Open
- Skeleton structure
- Exoskeleton
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoregulator
Ecology
Primary consumer in freshwater
Controls algal population
Food for fishes
Economic Importance
Used in toxicity testing
Model organism in research
Water quality indicator