Branchiura


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Related to Branchiura: Arguloida

Branchiura

[‚braŋ·kē′yu̇r·ə]
(invertebrate zoology)
The fish lice, a subclass of fish ectoparasites in the class Crustacea.

Branchiura

 

(carp lice), an order of crustaceans, comprising six genera with 130 species, including the genus Argulus with 109species. The Branchiura parasitize the bodies and gills of fish and sometimes amphibians. Their body length measures up to 3 cm. They are dioecious. Nearly completely formed crustaceans hatch from eggs laid by the female. Branchiura are temporary parasites and bloodsuckers. Certain species, such as Argulus foliaceus, A. coregoni, and A. japonicus, cause significant damage to commercial pisciculture; their massive invasions bring about the death of fry and adult fish. Countermeasures include improving the oxygen content of bodies of water and using pesticides such as chlorophos.

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claparedeianus, as well as the moderate presence of the thermophilous species Branchiura sowerbyi, render the oligochaete community of this wetland similar to those of southern Europe.
Distribution of non-indigenous tubificid worm Branchiura sowerbyi (Beddard, 1892) in Serbia.
The dorsal pores on the caudal rami have not been reported previously in the genus Argulus nor in any other member of the Branchiura, but similar pores on the ventral surface of the caudal rami of Unicolax collateralis Cressey and Boyle Cressey (Copepoda: Bomolochidae) were shown by Cressey and Boyle Cressey (1980, their Fig.
A report on the parasitic Copepoda and Branchiura of the fishes of Lake Bangweulu (northern Rhodesia).