|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. Review articles are the summary of current state of understanding on a particular research topic. They analyse or discuss research previously published by scientist and academicians rather than reporting novel research results. Review article comes in the form of systematic reviews and literature reviews and are a form of secondary literature. Systematic reviews determine an objective list of criteria, and find all previously published original research papers that meet the criteria. They then compare the results presented in these papers. Literature reviews, by contrast, provide a summary of what the authors believe are the best and most relevant prior publications. The concept of "review article" is separate from the concept of peer-reviewed literature. It is possible for a review to be peer-reviewed, and it is possible for a review to be non-peer-reviewed.