The Distribution of Lancelets (Amphioxi) along the Coasts of Florida
The inshore area along the coast of Florida was sampled for lancelets. The single species collected was Branchiostoma caribaeum Sundevall. This species occurred at times in excess of 15 specimens per liter of sand. Samples were taken with a small metal dredge constructed especially for this purpose. The east coast, Indian River and Florida Keys yielded few or no lancelets. The west coast from Cape Sable to Cedar Key is the region where the largest numbers are found. A more intensive investigation of the distribution of lancelets was made in the Cedar Key area. Certain features common to the habitats which support the largest numbers of lancelets are: clean siliceous sand with shell fragments, noticeable tidal currents, salinities usually between 22 and 35‰ and abundant phytoplankton.
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Document Type: Research Article
Publication date: 1965-06-01
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