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