Smithsonian scientists link fish larva in Florida to new sea bass species from Curacao

May 14, 2014 11:55 AM

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Smithsonian scientists link fish larva in Florida to new sea bass species from Curacao

Identifying larval stages of marine fishes in the open ocean is difficult because the young fishes often bear little or no resemblance to the adults they will become. Confronted with a perplexing fish larva collected in the Florida Straits, Smithsonian scientists turned to DNA barcoding, which yielded an unexpected discovery—a match between the mysterious fish larva and adults of a new species of sea bass discovered off the coast of Curacao. The team’s research is published in the May 13 issue of PLOS ONE.

Most marine fishes have a pelagic larval stage that drifts in the surface or near-surface currents of the ocean―an environment very different from the one they inhabit as adults. Two different environments often require two different body shapes and appearances, resulting in larvae that look very di...

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