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Nature: Clownfish develop stripes at different speeds depending on the sea anemone they live in

Clownfish develop their characteristic white stripes at different speeds depending on the type of sea anemone in which they live, a study has found. Made famous by Finding Nemo , the iconic reef-dwellers grow their stripes or bars as they undergo the metamorphosis that turns them from larvae to adults. Experts surveyed clownfish in Papua New Guinea s Kimbe Bay, where they live either in the magnificent sea anemone or the more toxic giant carpet anemone. They noticed that the juvenile clownfish that lived in the giant carpet anemone got their white bars faster than those calling the magnificent sea anemone home.

How do clownfish earn their stripes?

Clownfish are instantly recognizable by their white stripes, which appear as they mature from larvae into adults. But how these distinctive patterns form has long remained a mystery. Now, a new study has found that the speed at which these white bars form depends on the species of sea anemone in which the clownfish live. The scientists also discovered that thyroid hormones, which play a key role in metamorphosis, drive how quickly their stripes appear.

IONIC Brands to Produce CBD Vape Products in Japan, Its First International Licensing Agreement

IONIC Brands to Produce CBD Vape Products in Japan, Its First International Licensing Agreement
pittsburghstar.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from pittsburghstar.com Daily Mail and Mail on Sunday newspapers.

IONIC Brands Corp : IONIC Brands to Produce CBD Vape Products in Japan, Its First International Licensing Agreement

IONIC Brands Corp : IONIC Brands to Produce CBD Vape Products in Japan, Its First International Licensing Agreement
finanznachrichten.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from finanznachrichten.de Daily Mail and Mail on Sunday newspapers.

Songbird neurons for advanced cognition mirror the physiology of mammalian counterparts

Credit: UMass Amherst University of Massachusetts Amherst neuroscientists examining genetically identified neurons in a songbird s forebrain discovered a remarkable landscape of physiology, auditory coding and network roles that mirrored those in the brains of mammals. The research, published May 13 in Current Biology, advances insight into the fundamental operation of complex brain circuits. It suggests that ancient cell types in the pallium - the outer regions of the brain that include cortex - most likely retained features over millions of years that are the building blocks for advanced cognition in birds and mammals. We as neuroscientists are catching on that birds can do sophisticated things and they have sophisticated circuits to do those things, says behavioral neuroscientist Luke Remage-Healey, associate professor of psychological and brain sciences and senior author of the paper.

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