Sea Life

Sea Life News -- ScienceDaily Current events articles in marine biology and science. From beached whales to coral reef bleaching, learn what is happening in today's oceans.

  • Sea pickles are adapting to the Pacific Northwest
    on July 20, 2018 at 1:25 pm

    Tubular colonial jellies known as pyrosomes that arrived in 2014 along North America's Pacific Northwest Coast appear to be adapting to cooler water and may become permanent residents. […]

  • Deep-diving scientists say shallow reefs can't rely on twilight zone systems for recovery
    on July 19, 2018 at 6:21 pm

    A team of highly trained scientific divers explored Pacific and western Atlantic reefs to test a widely held hypothesis that climate-stressed life from shallow reefs can take refuge at mesophotic depths (100-500 feet beneath the ocean's surface). The results are clear: deep and shallow reefs are different systems with their own species, and deep reefs are just as threatened by climate impacts, storms, and pollution. […]

  • Learning from 'little monsters'
    on July 19, 2018 at 6:21 pm

    By studying deep and shallow water zones of streams and their resident invertebrates, researcher reveals mysteries of fresh water life. […]

  • New insights into plants' conquest of land
    on July 19, 2018 at 6:20 pm

    The ancestors of land plants were string-like (2D), aquatic green algae that looked very different from the three-dimensional (3D), upright stems and leaves of plants we are familiar with today. Now, researchers have revealed exciting insights into how land plants evolved these 3D forms that were crucial for their advancement onto land. […]

  • In the ocean's twilight zone, tiny organisms may have giant effect on Earth's carbon cycle
    on July 18, 2018 at 9:03 pm

    In a new study that challenges scientists' presuppositions about the carbon cycle, researchers find that tiny organisms may be playing in outside role in the way carbon is circulated throughout the ocean. […]

  • Great Barrier Reef not bouncing back as before, but there is hope
    on July 18, 2018 at 6:31 pm

    The Great Barrier Reef is losing its ability to recover from disturbances, but effective local management could revive its capacity to bounce back. […]

  • Origami-inspired device helps marine biologists study octopuses and jellyfish
    on July 18, 2018 at 6:30 pm

    Scientists have tried to find the safest and most effective ways to explore marine life in the oceanic water, the largest and least explored environment on Earth, for years. Each time, they were faced with the same challenge: How to capture delicate or gelatinous pelagic animals -- like jellyfish, squid, and octopuses -- without harming them? An origami-inspired device may change that. […]

  • Where baby white sharks 'hang out' in the North Atlantic
    on July 18, 2018 at 5:11 pm

    A team of scientists is the first to confirm the movement patterns and seasonal migrations of baby white sharks in the north Atlantic Ocean. They put the New York Bight shark nursery theory to test by deploying satellite and acoustic tags on 10 baby white sharks (less than 1 year old) off Long Island's coast. Results provide novel insights into the distribution of this vulnerable early stage of life that complements recent work on larger white sharks. […]

  • Global study of world's beaches shows threat to protected areas
    on July 18, 2018 at 3:33 pm

    A first-of-its-kind survey of the world's sandy shorelines with satellite data found that they have increased slightly on a global scale over the past three decades but decreased in protected marine areas, where many beaches are eroding. […]

  • Feeding plants to this algae could fuel your car
    on July 18, 2018 at 2:48 pm

    The research shows that a freshwater production strain of microalgae, Auxenochlorella protothecoides, is capable of directly degrading and utilizing non-food plant substrates, such as switchgrass, for improved cell growth and lipid productivity, useful for boosting the algae's potential value as a biofuel. […]

  • Novel approach studies whale shark ages the best way -- while they are swimming
    on July 18, 2018 at 2:47 pm

    A new study of whale sharks, using a novel approach to gathering data, shows these endangered animals can live longer and grow larger than previously believed. […]

  • 5,000 percent increase in native trees on rat-free palmyra atoll
    on July 17, 2018 at 6:25 pm

    New research demonstrates dramatic positive benefits for native trees following rat removal at Palmyra Atoll, a magnificent National Wildlife Refuge and natural research laboratory located about 1000 miles south of Hawaii. For five native tree species, including Pisonia grandis, fewer than 150 seedlings were counted in the presence of rats, and more than 7700 seedlings were counted five years after rats were removed. […]

  • Newly discovered shark species honors female pioneer
    on July 17, 2018 at 3:24 pm

    The 'Shark Lady,' has received the ultimate ichthyologist honor: having a new species of shark, Squalus clarkae, named after her. […]

  • The freediving champions of the dolphin world
    on July 17, 2018 at 1:48 pm

    New research explains how some populations of bottlenose dolphins can dive to almost 1,000 meters while avoiding decompression sickness. The new hypothesis suggests that lung architecture and the management of blood flow allow bottlenose dolphins to access oxygen in the lungs while preventing uptake of nitrogen which would cause the bends. The findings act as a starting point to understand how environmental changes and anthropogenic interaction may impact the future of the species. […]

  • Australia has a new venomous snake -- And it may already be threatened
    on July 16, 2018 at 2:35 pm

    The ink has not yet dried on a scientific paper describing a new species of snake, yet the reptile may already be in danger of extinction due to mining. A team of biologists discovered a new species of bandy-bandy snake at Weipa on the west coast of the Cape York Peninsula. […]

  • Algae have land genes
    on July 12, 2018 at 4:39 pm

    The genome of the algae species Chara braunii has been decoded. It already contains the first genetic characteristics that enabled the water plants' evolutionary transition to land. […]

  • The secret life of lobster (trade): Could we be in hot water?
    on July 12, 2018 at 2:05 pm

    In today's hyper-connected world, a growing number of nations are acting as 'middlemen' in the seafood supply chain. This makes it increasingly difficult to trace where seafood goes and difficult to anticipate changes in market demand. […]

  • Mapping species range shifts under recent climatic changes
    on July 12, 2018 at 2:05 pm

    The inclusion of taxon-specific sensitivity to a shifting climate helps us understand species distributional responses to changes in climate. […]

  • Moving fish farms enables seagrass meadows to thrive, study shows
    on July 12, 2018 at 2:04 pm

    Off the coast of Cyprus in the Mediterranean Sea, many fish farms have been moved into deeper waters -- and on the seabeds beneath their previous locations, the meadows are flourishing once again. […]

  • Light receptors determine the behavior of flashlight fish
    on July 12, 2018 at 2:04 pm

    Biologists have characterized new, unknown photoreceptors from the bioluminescent flashlight fish Anomalops katoptron. The photoreceptors known as opsins allow the fish to detect light with a specific wavelength. Scientists found new opsin variants, which are specialized to detect low intensity blue light in the wavelength range of bioluminescent light emitted by the fish. The blue light can be used to influence the fish behavior. […]

  • Polyps will let unrelated 'others' fuse to them and share tissue, scientists discover
    on July 12, 2018 at 2:04 pm

    Scientists discovered that polyps have no qualms about treating a nonrelated individual like part of the family. This goes way beyond sharing meals or even a roof. Polyps of the marine hydrozoan Ectopleura larynx allow nonrelated individuals to fuse their bodies to the familial colony and share what is essentially skin and a stomach. […]

  • Eradicate rats to bolster coral reefs
    on July 11, 2018 at 5:12 pm

    New research has confirmed that invasive rats decimate seabird populations, with previously unrecognized consequences for the extensive coral reefs that encircle and protect these islands. Invasive predators such as rats -- which feed on bird eggs, chicks, and even adults birds -- are estimated to have decimated seabird populations within 90 percent of the world's temperate and tropical island groups, but until now the extent of their impact on surrounding coral reefs wasn't known. […]

  • The first endemic Baltic Sea fish species received its name
    on July 11, 2018 at 2:56 pm

    Researchers have discovered and named a new endemic fish species in the Baltic Sea, the 'Baltic flounder,' Platichthys solemdali. […]

  • Ancient bones reveal 2 whale species lost from the Mediterranean Sea
    on July 11, 2018 at 1:32 pm

    Two thousand years ago the Mediterranean Sea was a haven for two species of whale which have since virtually disappeared from the North Atlantic, a new study analyzing ancient bones suggests. The discovery of the whale bones in the ruins of a Roman fish processing factory located at the strait of Gibraltar also hints at the possibility that the Romans may have hunted the whales. […]

  • LED lights reduce seabird death toll from fishing by 85 percent
    on July 11, 2018 at 1:32 pm

    Illuminating fishing nets with low-cost lights could reduce the terrible impact they have on seabirds and marine-dwellers by more than 85 percent, new research has shown. […]

  • Success of conservation efforts for important Caribbean Reef fish hinges on climate change
    on July 11, 2018 at 1:31 pm

    Marine scientists predict climate change might severely hinder efforts to protect populations of the endangered and iconic Nassau grouper by the end of this century. […]

  • Strategy for 'No-Mining Zones' in the Deep Sea
    on July 10, 2018 at 5:13 pm

    An international team of researchers has developed a comprehensive set of criteria to help the International Seabed Authority (ISA) protect local biodiversity from deep-sea mining activities. These guidelines should help identify areas of particular environmental importance where no mining should occur. The new ecological framework is a set of 18 quantitative metrics to assess whether the number, shapes, sizes and locations of proposed zones will be sufficient to protect threatened habitats and species. […]

  • Size and productivity in one of the world's most complex ecosystems
    on July 9, 2018 at 5:27 pm

    Oceanographer uncovers the relationship between size and productivity in one of the world's most complex ecosystems. […]

  • The sea anemone, an animal that hides its complexity well
    on July 9, 2018 at 4:01 pm

    Despite its apparent simplicity -- a tube-like body topped with tentacles -- the sea anemone is actually a highly complex creature. Scientists have just discovered over a hundred different cell types in this small marine invertebrate as well as incredible neuronal diversity. This surprising complexity was revealed when the researchers built a real cell atlas of the animal. […]

  • Oil rigs may end their days as valuable artificial reefs
    on July 9, 2018 at 2:46 pm

    A large group of international researchers have just published a scientific article in which they encourage environmental authorities across the globe to rethink the idea of removing oil rigs, wind turbines and other installations in the sea when they are worn out. […]