Sentences with phrase «juvenile fish on»

«These juvenile fish on the outside look completely normal, but their hearts are not functioning properly and that translates directly into reduced swimming ability and reduced survival,» said John Incardona, a research toxicologist at NOAA Fisheries» Northwest Fisheries Science Center in Seattle.

Dr. Mark A. Hixon, Professor of Zoology, and a team of graduate and undergraduate students from Oregon State University have demonstrated that a single lionfish can reduce the population of juvenile fish on small coral reefs by 80 percent in just five weeks.

Not exact matches

Juveniles lose the bright, plankton - filtering gills seen on this individual when they mature and descend into some of the deepest depths of any known fish, often more than 5,000 meters (16,000 feet) beneath the ocean surface.

A biologist from the National Oceanic and Atmospheric Administration is working on a project to tag juvenile chinook salmon at Big Creek with microchips that are scanned like supermarket bar codes when the little fish pass detectors in the stream.

Couple that with their propensity to eat a significant quantity of juvenile fish, it's only a matter of time until those other fish species start to see a decline in their numbers on the reef.

The juvenile crabs, shrimp and fish she is collecting spawned tens to hundreds of kilometres away on the continental shelf in April and May — just when the Deepwater Horizon well was spilling some 10 million litres of oil a day into the Gulf of Mexico.

«Billions of juvenile fish under the Arctic sea ice: New under - ice net used in large - scale study on the prevalence of polar cod at the ice underside.»

«Now we know: there are mainly one - or two - year - old juvenile fish living directly below the ice, and these feed on, among other things, amphipod crustaceans.

«When the sea ice melts, juvenile polar cod may go hungry: Biologists confirm how heavily the fish depend on ice algae.»

WWF is holding a 1 - day Symposium on Responsible Consumption of Tuna here tomorrow where it hopes that government officials, seafood industry representatives, and ordinary consumers will listen to talks on how overfishing, capturing juvenile tunas for fish farming, and poor fisheries management has driven bluefin stocks to 15 % of historical levels.

Spawning, as well as larval and juvenile development, will often occur in different habitats, and little was known about what the impact of changes in those environments is having on fish development, according to Harvey Walsh, a fisheries biologist at NOAA's Northeast Fisheries Science Center at the Narragansett Laboratory in Rhode Island.

Speaking today at a press briefing, Japanese officials provided details on a plan agreed to last week that aims to rebuild the spawning population by halving the catch of juveniles and limiting takes of mature fish as well.

On an adult fish this may be only a nuisance, but for small juvenile salmon (around the size of a finger), sea lice can be fatal.

On the reef side of the wreck also had lot of cool little encounters like juvenile sweetlip, mantis shrimp, ornate ghost pipefish and scorpion fish.

In 2011, he joined the California State University, Long Beach Shark Lab, where his Master's degree work focused on analyzing movements of juvenile predatory fishes to assess the landscape connectivity, habitat use and effectiveness of restored estuaries.

This large - scale agglomeration of juvenile fish species is the main reason why migrating whale sharks visit the area every year, rising from the depths to feed on this abundance of food.

Zooplankton and small fishes prey on tarpon in the egg and larval stages, and piscivorous birds are primary predators of juvenile tarpon once they enter nursery areas.

Juvenile fish rely on kelp beds a nursery grounds.

The sunken freighter, Lesleen M, is a 20 minute boat ride to what is now an artificial reef project by the Department of Fisheries, and home to soft coral, sponges, hydroids, sea turtles, juvenile fishes, and of course whatever preys on them.

The shallow reefs on the way back also make a good 25ft stop to see an abundant amount of colorful juvenile fish.

Whale sharks, the largest fish species on the planet, migrate to the Belize Barrier Reef every year between March and June to feed on enormous quantities of spawn and juvenile fish.

Rising from the depths to feed on spawning fish and juvenile marine fauna, whale sharks are the largest fish in the ocean but pose no risk to humans.

So, whether you want spend your Belize fishing vacation stalking the gray ghost, preying on the elusive permit, casting for snook and juvenile tarpon while listening for Howler Monkeys and keeping an eye out for manatees — or spincasting or trolliing for some good eating fish — Placencia may be just the place for your next tropical Belize fishing adventure.

Soft corals, feather stars on the tops and sides, with juvenile glass fish, moray eels and cleaner shrimp hiding under overhangs and in hollows.

There are juvenile bat fish and beautiful soft corals that grow right at the surface on the roots of the mangroves.

Fish and lobster population growth in these structures is extraordinary, especially juvenile fish, and depends on the shape of Biorock ® structures, which can be made to provide an extraordinary density of hiding plaFish and lobster population growth in these structures is extraordinary, especially juvenile fish, and depends on the shape of Biorock ® structures, which can be made to provide an extraordinary density of hiding plafish, and depends on the shape of Biorock ® structures, which can be made to provide an extraordinary density of hiding places.

For example, reductions in seasonal sea ice cover and higher surface temperatures may open up new habitat in polar regions for some important fish species, such as cod, herring, and pollock.128 However, continued presence of cold bottom - water temperatures on the Alaskan continental shelf could limit northward migration into the northern Bering Sea and Chukchi Sea off northwestern Alaska.129, 130 In addition, warming may cause reductions in the abundance of some species, such as pollock, in their current ranges in the Bering Sea131and reduce the health of juvenile sockeye salmon, potentially resulting in decreased overwinter survival.132 If ocean warming continues, it is unlikely that current fishing pressure on pollock can be sustained.133 Higher temperatures are also likely to increase the frequency of early Chinook salmon migrations, making management of the fishery by multiple user groups more challenging.134

The effect of warm waters on Atlantic cod likely occurs because of a harmful effect on larvae and juvenile fish.