Evolutionary Tendencies Parasitic Copepods of Fish
Journal Title: Modern Approaches in Oceanography and Petrochemical Sciences - Year 2018, Vol 2, Issue 1
Abstract
Parasitic copepods inhabit invertebrates and vertebrate’s animals. They have changed under the influence of parasitic life. Changes affected the body form, the reduction of segments and limbs. They have neoplasms (horns, tree-like processes, bullae, suckers, lamellar lobes, etc.). Parasitic copepods have subdued huge number of species hosts among invertebrates (coelenterates, annelids, crustaceans, mollusks, echinoderms etc.) vertebrates (fish, amphibians, mammals). Parasitic copepods have mastered sea and fresh water, but most species live in marine environment. The abundance of marine host species allowed them to implement expansion, because in the marine environment, they found greater number of environmental niches. Among copepods there is wide range of forms, standing at different stages of adaptation to parasitic life. Here we see copepods little changed in parasitic life. There are copepods heavily modified. Parasitic copepods underwent changes aromorphosis transformations, it has allowed them to conquer new habitats (ecto-, meso- and endoparasitism). Among the copepods there is a wide range of forms, stages of adaptation to parasitic life.
Authors and Affiliations
Kazachenko VN
Keywords
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- EP ID EP626084
- DOI 10.32474/MAOPS.2018.02.000127
- Views 76
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