The impact of human activity is evident in the depletion of fish populations worldwide. This being the case, there is an urgent need to discover the true biodiversity of the world before the loss rate exceeds its limits. Because the feeding ecology of a species is thoroughly linked to its population dynamics, knowledge of the feeding ecology contributes to the understanding of such subjects as resource partitioning, habitat preferences, prey selection, predation, evolution, competition and energy transfer within and between ecosystems. Such ecological information is of great value when developing conservation strategies and is, therefore, a key element in the protection of species and ecosystems. Our paper reviews the geographic and/or biogeographic regions where the majority of studies concerning the feeding ecology of fish have been conducted, with the goal of identifying regions and/or environments in need of further attention. In addition, we identify which journals published more papers regarding the subject. Our analysis was conducted by assessing studies indexed on the ISI Web of Science database. We detected a lack of data concerning several aspects of the feeding of fish, such as: threatened species; freshwater habitats especially within the Neotropical, Ethiopian and Oriental realms; species rich developing countries; and, when considering marine fish, the Eastern Indo-Pacific region. Considering the calculated weight for each journal, Ecology of Freshwater Fish, Neotropical Ichthyology and Environmental Biology of Fishes were the most important ones. If we ignore these gaps in our knowledge we run the risk of losing a huge amount of information without knowing it ever existed, especially in the fast changing world we face today.
Reviews in Fish Biology and Fisheries – Springer Journals
Published: Jul 22, 2012
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