Coral Reefs

Coral Reefs News -- ScienceDaily Coral reef information. Read current news articles on coral reefs in danger due to coral bleaching. See photos of coral reef fish and sponges. Learn about coral reef conservation.

  • Marine reserves are vital -- but under pressure
    on June 21, 2018 at 2:14 pm

    A massive study of nearly 1800 tropical coral reefs around the world has found that marine reserves near heavily populated areas struggle to do their job -- but are a vast improvement over having no protection at all. […]

  • Boring barnacles prefer the shallow life on coral reefs
    on June 20, 2018 at 9:46 pm

    Scientists have quantified how barnacles infest stony coral over a variety of conditions and reduce calcium carbonate on reefs. Coral reefs harbor diverse marine life and help prevent coastal erosion. […]

  • When cozying up with would-be predators, cleaner shrimp follow a dependable script
    on June 20, 2018 at 9:46 pm

    It's a mystery how cleaner shrimp partner with would-be fish predators -- sometimes even climbing in their mouths -- without getting eaten. A new study reveals how the shrimp convinces fish not to eat them, and the fish conveys that it's a friend and not a foe. […]

  • Coral reef 'oases' offer glimmer of hope
    on June 19, 2018 at 2:24 am

    Scientists have discovered small communities of corals that are flourishing against the odds while so many around the world are dying. […]

  • Local interventions boost coral's resilience to bleaching
    on June 19, 2018 at 2:24 am

    Local conservation actions can significantly boost coral's resilience to, and recovery from, climate-induced thermal bleaching by reducing other energy-sapping stresses the coral faces, a new study finds. Scientists found they could reduce the extent of bleaching by half if they removed or reduced populations of coral-eating snails from affected reefs. The coral's recovery from bleaching was also enhanced. […]

  • Secrets of fish population changes revealed
    on June 8, 2018 at 2:19 pm

    Populations of fish in the ocean are notoriously variable, waxing and waning in often unpredictable ways. Knowing what drives changes in fish population sizes is important for managing fisheries and conserving species. For the first time, scientists have linked the ecology of adult fish populations inhabiting coral reefs with the dispersal of baby fish between reefs, reporting the dynamics of a living network called a 'marine metapopulation.' […]

  • Algal partner responds to climate-change stresses more strongly than coral host
    on June 7, 2018 at 3:26 pm

    A new study puts a surprising twist into our understanding of how coral reefs react to ocean warming and acidification and may offer an early warning system for warmth-induced coral bleaching events. […]

  • Nutrient pollution makes ocean acidification worse for coral reefs
    on June 6, 2018 at 1:37 pm

    A new study showed that local impacts of humans -- nutrient pollution from activities on land -- may accelerate the negative impacts of global ocean acidification on coral reefs. […]

  • Invasive species of coral boasts amazing capacity for regeneration
    on June 5, 2018 at 9:25 pm

    Colonies of sun coral multiply rapidly, driving native corals out. Scientists investigate whether the rising of oceanic temperature, combined with increasing activity of the oil and gas industry, might be favoring the invasive species. […]

  • Study in Fiji finds that removing sea cucumbers spells trouble for shallow coastal waters
    on June 5, 2018 at 9:25 pm

    The sea cucumber's unimpressive appearance belies the outsized role these creatures play in converting decomposing organic matter into recyclable nutrients and keeping coastal ecosystems healthy and clean, and overfishing them can have negative impacts on coastal marine environments, according to a new study focusing on a species of sea cucumber called a sandfish. […]

  • New invention safely transports unknown, deep-dwelling fishes to the ocean's surface
    on June 4, 2018 at 3:25 pm

    Strange and beautiful fishes from the ocean's deep and lesser-known twilight zone reefs are hitching a ride to the surface thanks to the newly invented SubCAS (or Submersible Chamber for Ascending Specimens). This ingenious pressurized chamber stretches two feet long and is used by scientific divers to collect and safely surface charismatic reef residents for further study and public display. […]

  • Rise and fall of the Great Barrier Reef
    on May 28, 2018 at 4:40 pm

    Study is first of its kind to reconstruct evolution of reef over 30,000 years in response to abrupt environmental change. […]

  • Shedding light on immune response in diseased corals
    on May 24, 2018 at 9:45 pm

    Researchers have found a correlation between a strong immune response in diseased corals and a lower expression of genes associated with growth and reproduction. […]

  • Opportunity to restore abundance to Hawaiian reef fisheries
    on May 24, 2018 at 6:16 pm

    A new study has identified areas in the Hawaiian Islands that would provide the greatest increase in coastal fishery stocks, if effectively managed. […]

  • Excess nutrients, coupled with climate change, damage the most highly resilient corals
    on May 23, 2018 at 5:32 pm

    Experimentalists conducted a simulation of future conditions in the Red Sea caused by global warming and acidification, while simultaneously increasing levels of nutrients such as nitrate and phosphate. They found that when nitrate and phosphate were added, the coral thermal resilience was compromised while algal growth benefited from excess CO2 and nutrients. Algal dominance over corals in the reef means losing all of the beauty and biodiversity of the coral reefs. […]

  • How high-latitude corals cope with the cold
    on May 23, 2018 at 2:55 am

    Corals growing in high-latitude reefs in Western Australia can regulate their internal chemistry to promote growth under cooler temperatures, according to new research. […]

  • Internal control helps corals resist acidification
    on May 2, 2018 at 1:46 pm

    Scientists have found that some corals are able to combat the effects of ocean acidification by controlling their own chemistry. […]

  • Scientists discover balance of thermal energy and low climate stress drive coral species diversity
    on May 1, 2018 at 8:17 pm

    Marine scientists have identified two key factors that create the ideal conditions needed for high species diversity in coral reefs: thermal energy in the form of warm water and low climate stress. […]

  • Reef fish inherit tolerance to warming oceans
    on April 30, 2018 at 5:19 pm

    Thanks to mom and dad, baby reef fish may have what it takes to adjust to hotter oceans. […]

  • Bleaching of coral reefs reduced where daily temperature changes are large
    on April 26, 2018 at 10:00 pm

    Coral reef bleaching is stark evidence of the damage being inflicted by global climate change on marine ecosystems, but a research team has found some cause for hope. While many corals are dying, others are showing resilience to increased sea surface temperatures, pointing to possible clues to the survival and recovery of these vitally important aquatic habitats. […]

  • Double trouble for a coral reef
    on April 26, 2018 at 3:05 pm

    Upolu, one of the nine islands of Samoa, in the Pacific Ocean. This isolated coral reef promised to be a site of rich biodiversity for the scientists on the Tara Pacific expedition. But, it proved to be in a far more degraded state than previously thought: coral cover is below 10 percent in over 80 percent of the 124 sites considered. […]

  • Great Barrier Reef coral predicted to last at least 100 years before extinction from climate change
    on April 19, 2018 at 6:15 pm

    A common Great Barrier Reef coral species has enough genetic diversity to survive at least 100 years before succumbing to global warming, researchers predict. […]

  • Global warming is transforming the Great Barrier Reef
    on April 18, 2018 at 6:15 pm

    A new study shows that corals on the northern Great Barrier Reef experienced a catastrophic die-off following the extended marine heatwave of 2016. […]

  • Coral bleaching threatens the diversity of reef fish
    on April 5, 2018 at 7:00 pm

    New research reveals that global warming also affects fish who depend on corals. The Great Barrier Reef is revered for its kaleidoscope of color. New international research reveals that coral bleaching events not only whitewash corals, but can also reduce the variety of fish occupying these highly valued ecosystems. […]

  • Facilitating coral restoration
    on April 4, 2018 at 8:36 pm

    Global declines of coral reefs -- particularly in the Caribbean -- have spurred efforts to grow corals in underwater nurseries and transplant them to enable recovery. However, current approaches rarely incorporate the key ecological reef processes critical to facilitating restoration and improving the odds of success. In a new paper, scientists advocate for the integration of essential natural processes to exploit dynamic ecological forces and drive recovery of coral reef ecosystems. […]

  • Coral reefs protect coasts from severe storms
    on April 3, 2018 at 3:11 pm

    Coral reefs can naturally protect coasts from tropical cyclones by reducing the impact of large waves before they reach the shore, according to scientists. Tropical cyclones wreak havoc on coastal infrastructure, marine habitats and coastal populations across the world. However, experts say that for coastlines facing a direct cyclone impact, a fringing reef can protect the beach from extensive erosion. […]

  • Untangling the role of climate on sediment and reef evolution over millennial timescales
    on March 27, 2018 at 2:28 pm

    Climatic variability like precipitation changes or increase in extreme events such as storms and tropical cyclones is known to significantly modify the Earth's surface. Yet, our understanding of how sediment dynamics and reef evolution might respond to these changes is still limited. In a recent study, a team of researchers has designed a new model that simulates sediment transport from mountains to coasts, reworking of marine sediments by wave-induced currents, and development of coral reefs. […]

  • Seismologists introduce new measure of earthquake ruptures
    on March 21, 2018 at 6:14 pm

    A team of seismologists has developed a new measurement of seismic energy release that can be applied to large earthquakes. It provides a measure of earthquake rupture complexity that better captures variations in the amount and duration of slip along the fault for events that may have similar magnitudes. […]

  • Vital role of marine predators in supplying nutrients to coral reef ecology
    on March 21, 2018 at 4:16 pm

    It's long been known that sharks help nourish coral reefs, but exactly to what extent has never been scientifically mapped out -- until now. […]

  • Hunting squid slowed by rising carbon levels
    on March 21, 2018 at 1:47 pm

    Scientists have found that high carbon dioxide levels cause squid to bungle attacks on their prey. Investigators said that the oceans absorb more than one-quarter of all the excess carbon dioxide (CO2) released into the atmosphere by humans and this uptake of additional CO2 causes seawater to become more acidic. […]