Rebeaca Frosty
Journal of FisheriesSciences.com is an Open Access Journal that publishes peer-reviewed articles which cover all aspects of fisheries sciences, including fishing technology, fisheries management, sea foods, aquatic (both freshwater and marine) systems, aquaculture systems and health management, aquatic food resources from freshwater, brackish and marine environments and their boundaries, including the impact of human activities on these systems. As the specified areas inevitably impinge on and interrelate with each other. It is a multidisciplinary journal and authors are encouraged to emphasize the relevance of their own work on other disciplines. Review processing is performed by the editorial board members of the Journal or outside experts; at least one independent reviewer’s approval followed by editor approval is required for acceptance of any citable manuscript. Authors can track their progress through the system. Reviewers can download manuscripts and submit their opinions to the editor. Editors can manage the whole submission/review/ revise/publish process. The longfin smelt (Spirinchus thaleichthys) population in the San Francisco Estuary has declined to less than 1% of historic numbers. It is crucial to identify the mechanisms that are driving the decline in order to implement species conservation plans. However, the low abundance and ever-declining population of longfin smelt limits access to research specimens. Developing a captive culture of longfin smelt would solve this issue while simultaneously gathering knowledge that could be used by conservation managers. To improve culture methods, we focused on the early life stages because it is the first major bottleneck in culturing the species. We measured the hatching and growth performance of longfin smelt embryos (ca. 15-28 days post-fertilization) and larvae (ca. 3-5 days post-hatch) and found that temperatures of 9â?? and 12â?? are appropriate culturing temperatures. These results demonstrate that the early life stages of longfin smelt require cooler water than delta smelt, another species of conservation concern that many California water management policies center around. While our study is useful for informing conservation efforts, the complexities surrounding the distribution of water resources in California may delay efforts to implement this knowledge into conservation plans
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