page_title: Johannes Schmidt (biologist)
hierarchical_section_title: Johannes Schmidt (biologist)
caption_attribution_description: English: Danish research ship Dana II leaving Copenhagen on the 14th of June 1928, marking the beginning of the circumnavigation of the world (1928-1930) under the command of Johannes Schmidt. Legend says "Heavily loaded with coal, Dana leaves Copenhagen".
context_page_description: Ernst Johannes Schmidt was a Danish biologist credited with discovering in 1920 that European eels migrate to the Sargasso Sea to spawn. Before this people in North America and Europe had wondered why there were no baby eels where they were fishing.
context_section_description: Ernst Johannes Schmidt (2 January 1877 – 21 February 1933) was a Danish biologist credited with discovering in 1920 that European eels migrate to the Sargasso Sea to spawn. Before this people in North America and Europe had wondered why there were no baby eels where they were fishing.
caption: Danish research vessel  Dana leaving Copenhagen in 1928 at the start of the Dana Expedition
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