Site pages
Current course
Participants
General
6 February - 12 February
13 February - 19 February
20 February - 26 February
27 February - 5 March
6 March - 12 March
13 March - 19 March
20 March - 26 March
27 March - 2 April
3 April - 9 April
10 April - 16 April
2.2.6. Sub-class 6. Branchiura
Unit 2 - Sub-phylum Crustacea
2.2.6. Sub-class 6. Branchiura (Fish lice)
1. Ectoparasites of freshwater and marine fishes and some amphibians.
2. Body flat; carapace large, shield-like, covering head and thorax.
3. Compound eyes; sessile.
4. Both pairs of antennae small, first is clawed.
5. First maxillae modified as suckers.
6. Thoracic appendages 4 pairs, large, biramous; some of them provided with flagella.
7. Abdomen small, unsegmented, bilobed and limbless.
Eg. Argulus (carp lice), Dolops.
Last modified: Tuesday, 2 August 2011, 10:36 AM