Sentences with phrase «swimming behavior»

The insulin also disrupted swimming behavior in fish exposed through water contact, as measured by the percentage of time spent swimming and frequency of movements.

In this study, they examined how the brains of these sea creatures produce swimming behaviors.

«Underwater robots influence complex swimming behaviors of schooling fish.»

Recent studies from two research teams at the Polytechnic Institute of New York University (NYU - Poly) demonstrate how underwater robots can be used to understand and influence the complex swimming behaviors of schooling fish.

He is studing central pattern generator circuits the underlie swimming behaviors in nudibranch molluscs.

A study undertaken by scientists from the University of Alberta and Environment and Climate Change Canada to understand swimming behavior in polar bears is showing an increase in this behavior related to changes in the amount and location of summer sea ice.

«For animals that reproduce infrequently, vertical swimming behavior during the larval stage helps control the dispersal network and is a vital part of marine ecology,» said Kough.

Larval swimming behaviors in response to various chemical, biological and physical cues have important implications for the adult populations, but to date, most studies on larvae - flow interactions have focused on competent larvae near settlement.

There are so many different migration distances that the fish have split into 100 distinct populations — one of which is the Chilko — with different swimming behaviors and body types.

In nearly every instance, the toddlers» swimming behavior appears to help them reach or remain in favorable ocean habitats.

With the first spontaneous movements taking place as early as 17 hours post-fertilization and swimming behavior occuring after 27 hours, zebrafish embryos prove to be a good model for the study of development of locomotor activity.

In zebrafish studies, the light - sensitive receptor protein halorhodopsin (NpHR) has successfully been used to inhibit swimming behavior in zebrafish larvae (Arrenberg, et al., 2009).

Redness and raised gills might be the sign of a severe bacterial infection, a bulge could be the sign of a tumor and erratic swimming behavior could be the sign of a swim bladder infection.

Exposure to ocean acidification changed sharks» nighttime swimming behavior.

Brooklyn, New York — Recent studies from two research teams at the Polytechnic Institute of New York University (NYU - Poly) demonstrate how underwater robots can be used to understand and influence the complex swimming behaviors of schooling fish.

«We did not have the GPS technology on collars to document this type of swimming behavior in polar bears in prior decades,» explains Karen Oakley, of the USGS Alaska Science Center.

The resulting videos contained over 4 terabytes of data, which Sheng and his colleagues crunched to compare the swimming behaviors of predator and prey species in the presence of different toxin levels.

«What's different now is that we can characterize the material properties of these fluids more precisely,» Patteson said, «so we can connect changes in those properties to changes in the swimming behavior of the cells in a very systematic way.

Using a «patient monitoring» device attached to a whale entangled in fishing gear, scientists showed for the first time how fishing lines changed a whale's diving and swimming behavior.

«We know that entanglement can change a whale's diving and swimming behavior and depletes their energy,» said Julie van der Hoop, lead author of the paper and a PhD Candidate in the MIT - WHOI Joint Program in Oceanography, «but the big thing we have never really known is what it must be like for animals to tow the gear.

The teams suction - cupped a cell - phone sized device called a Dtag to study how fishing lines changed the whale's diving and swimming behavior.

«As fins evolve to help fish swim, so does the nervous system: Study shows that shape and mechanics of fish fins evolve in parallel with the sensory system, tuned to swimming behavior.»

The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish's swimming behavior, according to new research from the University of Chicago.

The brain was able to produce rhythmic, alternating activity that would underlie the swimming behavior, showing these two species produce their swimming behavior using very different brain mechanisms.

With a better understanding of swimming behavior in these yearlings we can make better predictions about where they go and what risks they might encounter,» said Dr. Nathan Putman, lead author of this new study and sea turtle biologist with NOAA's Southeast Fisheries Science Center in Miami.

As he demonstrates the swimming behavior of robots, made from Tupperware and simple circuits, in the large pool in his laboratory at Vassar College in Poughkeepsie, New York, he almost seems to float a few inches off the floor.

They showed that endocrine disruptors — applied at concentrations measured in body fluids — directly open CatSper and, thereby, increase calcium levels in sperm, change their swimming behavior, and trigger the release of digestive enzymes that help sperm to break through the egg coat.