Sentences with phrase «says lamprey»
Not exact matches
«The results of this study could be a critical step toward developing advanced technologies to control sea lampreys in the Great Lakes, which have caused unparalleled damage to fisheries,» said David Ullrich, chair of the GLFC.
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«Remarkably, we didn't set out to study sex determination in sea lampreys — we were planning to study environmental effects on growth rates only,» said Nick Johnson, a USGS scientist and the lead author of the study.
«Lamprey are eel - like parasites that use their tooth - like organs and raspy tongue to latch onto fish and suck out the blood, while hagfish scavenge by taking bites out of dead matter,» he says.
The scientists say their finding could be used to drive lampreys into an area where they could be captured and killed.
While the jawed vertebrate lineage spawned the majority of vertebrate life that exists on Earth today — «evolutionarily speaking, we are all bony fish,» says Gillis — lamprey and hagfish are the living remnants of a once extensive assemblage of primitively predatory jawless vertebrates.
And Pung - Pung Hwang, a zoologist at the Academia Sinica in Taipei, says the team also needs to look at more - ancient fish, such as lamprey and sturgeon, as well as fish living in saltwater.
«Adult lamprey have gut neurons, but we were unable to find the vagal precursor cells,» says Bronner.
«We were interested in the origins of lamprey gut neurons because in other vertebrates they arise from a particular embryonic cell type, called neural crest cells,» says Stephen Green, postdoctoral scholar in biology and biological engineering and co-first author on the paper.
«There are few representatives of these early branches in vertebrate evolution that are still around today,» Coates said, which is why so much scientific attention has been paid to lampreys.
«This fossil changes how we look at lampreys today,» said Coates, associate professor of organismal biology and anatomy.
«It's taken on a new predominance of value,» says George Lamprey, CRS ®, GRI, president of the New Hampshire Association of REALTORS ®.