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Tag: "fish" at biology news

UN review shows need to halt destructive fishing practice

... high seas bottom trawling, which targets deep sea fish species such as orange roughy by dragging heavy gear across the seafloor, causing widespread and potentially irreversible damage to deep sea life. Sylvia Earle, the renowned deep sea explorer who heads CI's marine conservation division, likens bott...

Even a little cooling helps after cardiac arrest

...t be a typical sequence for one species, snails to fish to birds for another. These trematodes also stand ...crease in the number of birds foraging on infected fish and benthic invertebrates. To further validate the method, UCSB graduate student Ryan Hechinger co...

Researchers discover which organs in Antarctic fish produce antifreeze

...ning mystery of where these AFGPs, which allow the fish to survive in icy waters, are produced. "Ever sin...is and strong pancreas expression in newly hatched fish larvae and young juveniles. The exocrine pancreas is the larger of the two parts that make up the p...

How healthy is that marsh? Biologists count parasites

...t be a typical sequence for one species, snails to fish to birds for another. These trematodes also stand ...crease in the number of birds foraging on infected fish and benthic invertebrates. To further validate the method, UCSB graduate student Ryan Hechinger co...

Cornell researchers find serious fish virus in Northeast for first time

A deadly fish virus has been found for the first time in a variety of freshwater fish in the northeastern United States by Cornell University researchers. According to experts at the A...

Pollution threatens coral health by preventing lesions from healing, UCF study shows

... "We're losing places where animals can hide and fish can feed," Fauth said. "And reefs where people dive are being degraded." Tissue samples from mustard hill coral were taken from eight Broward County sites, including near-shore and offshore locations at each of four sites: a City of Hollywood treat...

Over-use of antibiotics in fish-for-food industry encourages bacterial resistance and disease

The heavy use of antibiotics in the rearing of fish could be detrimental to the health of the fish, bu...s of bacteria in animals and humans as well as the fish themselves. A more judicious approach to the use of prophylactic (preventative) antibiotics is neces...

Fish virus in Northeast spreading to other fish species

Cornell researchers have found that a deadly fish virus detected in the northeastern United States f... virus is responsible for the death of hundreds of fish in Lake Ontario and the St. Lawrence River in recent weeks. Over the past month, Cornell's Aquatic ...

Deep-water discovery

... likely to harbor a wide array of sponges, corals, fish and other animals. A camera that Dr. Grasmueck developed allowed the researchers to get an enticing glimpse of the bottom but until researchers make it to the seafloor in the submersible they will not be able to determine the extent and biological d...

Healthy coral reefs of Madagascar resisting damage from climate change

...eater variety of life than expected, including one fish species believed new to science and 17 others note...scar's coast, increased to 829 the total number of fish species in Malagasy waters. The two Rapid Assessment Program (RAP) expeditions also recorded the hig...

Creating a window on 'oceans in motion'

...picture of marine conditions and the migrations of fish and ocean animals throughout the world, according ...ve placed related technology on a variety of other fish species, including sturgeon, halibut, sharks and tunas. Among other benefits, the array technology ...

UF scientists discover evolutionary origin of fins, limbs

...ne -- think of the dorsal, tail and anal fins of a fish - is where the genetic template to produce fins or...r to the modern-day lamprey - a species of jawless fish with a dorsal fin and tail but no side fins - considered by biologists to share many features with t...

Marine 'dead zone' off Oregon is spreading

...he first event in 2002 caused a massive die-off of fish and invertebrate marine species on the central Ore... far north as Kalaloch. Numerous species of bottom fish have been found dead on the beach south of the Quinault River in Washington. In Oregon, the most vu...

Study shows hope for ridding lakes of clawed invader

...r cutting the underwater forests that are critical fish habitat, evicting the native crayfish from one body of water after another and scooping up fish eggs like so much caviar. But the clawed invader, the early results of a long-term University of W...

Ocean acidification threatens cold-water coral ecosystems

...ls provide habitat for many commercially important fish species and harbor several species of sponges that produce chemicals with anti-cancer and other medicinal uses. Unfortunately, says Guinotte, just as scientists are finding out how diverse and important cold-water corals are, they are being threaten...

Even fish don't swim well when they're young!

...u away from your parent's arms. Surely, you think, fish must be born as expert swimmers. Actually, fish larvae are pretty feeble when it comes to an efficient mode of swimming called 'burst-and-coast'. Dr...

Record bonefish

...tiel School of Marine and Atmospheric Science. The fish was a record catch, representing the longest movem...n patterns. As fishermen discover the tags on the fish they catch, they are instructed to measure and release the fish, note their whereabouts, and notify ...

The critical importance of mangroves to ocean life

...oastal wetlands against the ocean and as important fish habitats, cover less than 0.1 percent of the global land surface yet account for a tenth of the dissolved organic carbon (DOC) that flows from land to the ocean. Dittmar and his colleagues at several German research institutions analyzed the carbon o...

Alaska seal pup diet may hold key to decline of population

...plained. "We are examining the importance of fatty fish in the diet of young, growing seals to see if our ...aid. After weaning, pups must learn to effectively fish and accumulate sufficient fat stores for the winter, but changes observed in the distribution, compo...

Salmon go veggie to save wild fish stocks

...ds in their diet to function healthily. But as the fish farming industry expands, feeding salmon and other...and oil derived from processing wild-caught marine fish is unsustainable in the long term. This is due to rising demands for these commodities for aquafeeds...

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