|Fishery ecosystem deals with conjugation of living components with non-living components such as physical, chemical and biological environment. A fishery ecosystem involves in balancing diverse society objectives by considering biotic, abiotic and human components of ecosystem. Depending on depth of water and saline features marine ecosystems divided into many zones.High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.