المستخلص: |
Fish is significant protein source and is consumed via all every population in the world. Fish meat has many beneficial components, which includes polyunsaturated fatty acids (PUFA), omega-3 and omega-6 fatty acids, essential minerals, lipid soluble vitamins, antioxidants which can be vital for human health. Fish like any other animal is also afflicted by parasites. Fish can serve as an intermediate, paratenic (transport host) or definetive host for different stages of parasite. Fish parasites are divided into Ectoparasites and end parasites. Parasitic infections, especially ectoparasites from monogenetic flukes (Diplectanum cazauxi, Diplectanum dunancha, ), protozoa ( Epstylis spp , Trichphyra spp,, Amyloodinium spp, Cryptocaryon spp, Piscinoodinium spp, Vorticella spp Cryptobia spp, Ichthyophthirius multifiliis, Chilodonella sp, Trichodina sp, Tetrahymena sp , Myxobolus sp, Ichthyobodo necator) and Crustacea such as (Gnathia sp, halacarus sp, Paraclanus paravus) are one of the most hazardous threats to fish health. In addition to that ectoparasites might damage fin, skin and gills, and thus open portal of entry for secondary invaders . Some of these parasites may be highly pathogenic and contribute to high fish mortality and economic loss. Finally, The aim of this review paper is highlight on some Ectoparasites affecting Culture fish and marine fish and health damage caused by parasites to fish.
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