"Daphnia" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.
MeSH information
A diverse genus of minute freshwater CRUSTACEA, of the suborder CLADOCERA. They are a major food source for both young and adult freshwater fish.

This graph shows the total number of publications written about "Daphnia" by people in this website by year, and whether "Daphnia" was a major or minor topic of these publications.
Bar chart showing 231 publications over 22 distinct years, with a maximum of 29 publications in 2016
To see the data from this visualization as text, click here.