Fish food organism - PowerPoint PPT Presentation
Title:
Fish food organism
Description:
cladocerons is a major food item requird for better growth of ornamental fises – PowerPoint PPT presentation
Number of Views:641
Title: Fish food organism
1
Cladocerans in fish food organisms
2
Introduction
- Commonly called water fleas.
- Popular in aqua hatcheries.
- Easily availability in nature.
- Easy adaptability to captive conditions.
3
Taxonomic position
- Phylum Arthropoda
- Class Crustacea
- Sub- class Branchiopoda
- Family daphnidae
- Species moina daphnia
4
Habitat
- Found in low saline water ponds.
- Tanks.
- sewage lagoons
5
Morphology
- Body laterally compressed.
- Enclosed in bivalve shell.
- Head is round pair of biramous antennae.
- Thorax bears five pairs.
6
- Moina measured 0.5-1.0 length 0.2-0.6.
- Daphnia measures 0.5-2.5length 0.3-1mm
7
Food feeding habit
- It feed algae.
- Bacteria.
- Fungi.
- Protozoan.
- Organic debris
8
Reproduction
- Reproduce parthenogenetically.
- Eggs are large situated b/w abdomen carapace.
- The young ones are known has cultches.
9
Culture techniques of moina
- Mass culture.
- Stock culture.
10
Enrichment
- Used food has fish shellfish.
- Omega-3 essential fatty acids.
- Vitamin C supplementation.
11
Thank you
