Sentences with phrase «young fish»

There's a story about two young fish swimming.

They found certain traits were linked to longer jumping among younger fish, but as they got older these effects diminished and age itself was most closely linked with jumping distance.

And there are hundreds more younger fish than mature fish in any given species.

Coral reef fisheries in particular should then benefit from closing 20 - 30 % of fishing grounds because fish populations get a chance to recover and are then likely to support the export of young fishes from reserves to fished areas,» said study author Dr. Krueck.

«The next step in this line of research is to figure out whether genetic variation underlies differences in body structure associated with jumping performance in young fish,» said Joe Styga, PhD candidate at the University of Alabama and lead author of the study.

The new injectable acoustic fish tag allows researchers to safely and quickly insert the small device into young fish with a syringe similar to those used to treat humans.

By tracing the dispersal of young fish from a small marine reserve, scientists have shown that most prefer to return to where their parents thrived

Seagrass beds provide food and shelter to a wide variety of marine life and are particularly important as nursery habitat for young fish and invertebrates such as kelp bass and California spiny lobsters.

Beds of underwater grasses act as nurseries that shelter young fish and aquatic invertebrates.

Swedish researchers have found that young fish become hooked on eating plastic in the seas in the same way that teenagers prefer unhealthy fast food.

Australian boats concentrated on young fish while Japanese trawlers were targeting mature tuna.

the old analogy here: older fish swims past younger fish.

The black - finned goodeid is viviparous, meaning that young fish fully develop inside the female's body before they are born.

So, it's essential to ensure young fishers engage with sustainable fishing methods such as hook and line fishing, or traps.

Nathan Pelletier of Dalhousie University in Halifax, Nova Scotia, Canada, and colleagues assessed the environmental impact in the largest salmon - farming nations (Norway, the UK, Chile and Canada) of everything from making feed to transporting young fish.

Tamara Shiganova of the Russian Academy of Sciences noted that two species — one apparently native and the other introduced from the western Atlantic — now appear in often alternating blooms, vacuuming up the plankton that feeds young fish.

About one - fifth of the time, the birds altered their ascent to go after young fish hiding among the jellyfish, the seabird specialist and his colleagues report online in Biology Letters.

In recent years, it seems that the number of jellyfish have been on the rise, fueling concerns that their voracious appetites for microscopic sea creatures might have a negative impact on the food web and that their density might alter how fish behave — young fish seek refuge among the jellies» tentacles, for example — and consequently hamper the ability of predators to catch these fish.

We should stop penalizing fishermen for catching young fish and find more uses for anchovy - sized fish in our diets and as animal feed.

Arctic sea ice offers a veritable nursery ground for polar cod: young fish between one and two years old live in cracks and crevices under the ice.

More pronounced fluctuations in flow can scour away salmon eggs and exhaust young fish, especially when lower flows force adult fish to lay eggs in more exposed areas in the center of the channel.

This enabled them to determine that warmer NAO conditions reduced cod larval recruitment by 17 percent, resulting in fewer young fish.

«We found that the length and position of certain bones seem to help younger fish jump further,» said Dr Tom Houslay, of the Centre for Ecology and Conservation on the University of Exeter's Penryn Campus in Cornwall.

According to the FDA and most experts, small fish and young fish contain less mercury and are probably safer to eat.

Many young fish exposed to PCBs are severely deformed.

I prefer the oil be made from the smallest youngest fish, ideally bait fish.

Trout Unlimited and the Utah Division of Wildlife Resources have been placing young fish with young people in the state since 2013, hoping to teach children about the importance of water quality and aquatic ecosystems and to become stewards of the natural resources around them.

With coastal vegetation's improvement of water quality by filtering becoming more evident, it is also necessary to point out how young fish very often use these nursery areas to thrive; storms are buffered and even how many other (species such as manatee) are dependent on these habitats.

Hundreds of thousands of young fish have been studied with JSATS tags over the years.

Young fish become hooked on eating plastic in the seas in the same way that teenagers prefer unhealthy fast food, Swedish researchers have said.

And the two young fish swim on for a bit, and then eventually one of them looks over at the other and goes, «What the hell is water?»»

Researchers treated mahi - mahi embryos and young fish with oil collected from near the damaged wellhead and from the gulf's surface.

«There are these two young fish swimming along and they happen to meet an older fish swimming the other way, who nods at them and says, «Morning, boys.

In 1988, the younger Fish lost in the closely contested primary to Nita Lowey, who went on to defeat the incumbent.

«It's an absurd position,» he says, noting that studies have shown that some young fish find shelter on the bottom.

Strontium leached from the bedrock becomes incorporated into the backbones of young fish, and in older fish bony otoliths, or «ear stones,» absorb the strontium.

Some of the concern relates to what fishermen call bycatch, which in 1994 meant 27 million metric tons of young fish and unwanted species that get thrown back dead each year.

The rationale is that young fish should be left in the population until they can mature and breed — and, besides, larger fish make for better fillets.

In many fish species, a large, mature adult can produce far more offspring that small, younger fish.

«We want to determine whether or not the young fish under the ice serve as a form of «polar cod reserve», increasing the overall chances of survival for the coastal populations through genetic exchanges with populations in Siberia and elsewhere,» explains Flores.

Nine - and - a-half-week-old fish that nibbled at young fish poo lived about 40 % longer than their peers, and swam as actively as younger fish, even at 16 weeks old, the scientists report in a preprint on bioRxiv.

It has long been surmised that the young fish reach the Central Arctic from their spawning grounds under drifting ice.

Because the young fish are transparent, it is possible to see the developing circulatory system while observing the fish under a light microscope.

The fact that young fish as well as adults are moving their habitats could have serious implications for fisheries, the researchers said.

«Adults probably rely less on bones because they have the musculature and neural systems to coordinate jumping, something that isn't highly developed in the young fish.

Identifying larval stages of marine fishes in the open ocean is difficult because the young fishes often bear little or no resemblance to the adults they will become.

When tested for mercury in parts per million, flesh from albacore tuna, which take five years to mature, was shown to contain about four times as much mercury as chunk light tuna, which is harvested from younger fish.

Scientists first took notice of the young fish when they saw its picture in a publication.

These young fish are sometimes as small as three centimetres in length, while sea lice themselves can be close to one centimetre in diameter.