搜索结果: 1-15 共查到“国际动态 理学 fish”相关记录48条 . 查询时间(0.125 秒)
If we could rewind the tape of species evolution around the world and play it forward over hundreds of millions of years to the present day, we would see biodiversity clustering around regions of tect...
Big differences in how coral reef fish larvae are dispersed（图）
Big differences how coral reef fish larvae dispersed
2021/2/5
How the larvae of colorful clownfish that live among coral reefs in the Philippines are dispersed varies widely, depending on the year and season, a finding that could help scientists improve conserva...
Fish carcasses deliver toxic mercury pollution to the deepest ocean trenches（图）
Fish carcasses deliver toxic mercury pollution deepest ocean trenches
2020/12/11
The sinking carcasses of fish from near-surface waters deliver toxic mercury pollution to the most remote and inaccessible parts of the world's oceans, including the deepest spot of them all: the 36,0...
Study suggests at least 11 fish species are able to walk on land（图）
fish species walk land
2020/9/25
A team of U.S. National Science Foundation-funded scientists has identified at least 11 species of fish suspected to have land-walking abilities.The findings are based on CT scans and a new evolu...
As humans continue to send large quantities of carbon into the atmosphere, much of that carbon is absorbed by the oceans. Now researchers from the University of Connecticut and other institu...
Biologists find 10 lineages of fish able to live in highly toxic streams（图）
Biologists 10 lineages fish able live highly toxic streams
2020/7/10
Using the same mechanism, several species of fish have adapted to harsh environments, calling into question the idea of evolutionary chance, according to a National Science Foundation-funded stud...
300-million-year-old fish resembles a sturgeon but took a different evolutionary path（图）
300-million-year-old resembles sturgeon different evolutionary path
2020/7/3
Sturgeon, long-lived, bottom-dwelling fish, are often described as living fossils. Their form has remained relatively constant, despite hundreds of millions of years of evolution.In a National Sc...
Predators and hidey-holes are good for coral reef fish populations（图）
Predators hidey-holes coral reef fish populations
2019/10/17
New NSF-funded research by NC State scientists highlights two factors that play critical roles in supporting reef fish populations, and ultimately in creating conditions that are more favorable for th...
Add another item to the ever-growing list of the dangerous impacts of climate change: Warming oceans are leading to an increase of the harmful neurotoxicant methylmercury in popular seafood, including...
Penn-Led Team Uncovers The Physiology Behind The Hour-Long Mating Call Of Midshipman Fish（图）
Penn-Led Team Physiology The Hour-Long Mating Call Midshipman Fish
2018/2/1
According to the Guinness World Records, the longest any person has held a continuous vocal note is just shy of two minutes. That’s quite an achievement.
Compared to the Pacific midshipman fish, howe...
The ocean’s deepest fish doesn’t look like it could survive in harsh conditions thousands of feet below the surface. Instead of giant teeth and a menacing frame, the fishes that roam in the deepest pa...
Shaking up the fish family tree:'Living fossil' not as old as we thought（图）
shaking up the fish family tree living fossil as old as we thought
2017/9/19
Polypterids are weird and puzzling African fish that have perplexed biologists since they were discovered during Napoleon's expedition to Egypt in the late 1700s.Often called living fossils, these eel...
Baby Fish Exercising,a Surprising Source of Adaptive Variation in Fish Jaws（图）
Baby Fish Exercising Adaptive Variation Fish Jaws
2017/9/1
An unspoken frustration for evolutionary biologists over the past 100 years, says Craig Albertson at the University of Massachusetts Amherst, is that genetics can only account for a small percentage o...
Scientists name new species of fish from the Orinoco region after singer Enya
Scientists name fish the Orinoco region singer Enya
2017/7/24
In 1988, Irish singer and songwriter Enya released a lead single titled “Orinoco Flow” from her second studio album, which went on to become an international hit, earn a Grammy Award nomination, and h...
In Sex-Changing Fish,Male-Typical Sexual Behavior Associated With Elevated Expression Of Male Sex Hormone Receptors In Muscles
Sex-Changing Fish Male-Typical Sexual Behavior Male Sex Hormone Receptors Muscles
2017/7/21
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to...