Current Reef Fish News and Events

Current Reef Fish News and Events, Reef Fish News Articles.
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Microbiome boost may help corals resist bleaching
Providing corals with cocktails of natural probiotics could enhance their tolerance to stress and reduce mortality in coral bleaching events. (2021-02-23)

For selenium in rivers, timing matters
Researchers have gained new insight into an ongoing environmental health problem. (2021-02-23)

The way a fish swims reveals a lot about its personality, say scientists
Personality has been described in all sorts of animal species, from ants to apes. Some individuals are shy and sedentary, while others are bold and active. Now a new study published in Ecology and Evolution has revealed that the way a fish swims tells us a lot about its personality. (2021-02-23)

Study quantifying parachute science in coral reef research shows it's 'still widespread'
Researchers reporting in Current Biology on February 22 have quantified the practice of 'parachute science,' when international scientists conduct research without engaging local researchers. They found that institutions from several lower-middle and upper-middle-income countries with abundant coral reefs produced less research than institutions based in high-income countries with fewer reefs. They also found that host-nation scientists were excluded from authorship on studies almost twice as often when those studies were conducted in lower-income countries. (2021-02-22)

Colorful connection found in coral's ability to survive higher temperatures
A coral's color can tell of its resilience to climate change, and a new study from the Okinawa Institute of Science and Technology Graduate University has shed light on the underlying genetic factors that may be at work behind this. (2021-02-21)

Researchers 'cautiously optimistic' about desert bighorn sheep recovery in Mojave Desert
Desert bighorn sheep in the Mojave National Preserve in California and surrounding areas appear to be more resilient than previously thought to a respiratory disease that killed dozens of them and sickened many more in 2013, a new study has found. (2021-02-21)

Biological assessment of world's rivers presents incomplete but bleak picture
An international team of scientists, including two from Oregon State University, conducted a biological assessment of the world's rivers and the limited data they found presents a fairly bleak picture. (2021-02-21)

Good cop, bad cop
Serendipitous observation leads to novel insight into how cancer-immune crosstalk can either promote or suppress tumour growth. Ultimately, this study's results may help develop novel cancer therapies as well as an assay to select patients for immunotherapy treatment. (2021-02-19)

Study reveals energy sources supporting coral reef predators
Since Charles Darwin's day, the abundance of life on coral reefs has been puzzling, given that most oceanic surface waters in the tropics are low in nutrients and unproductive. But now research, led by Newcastle University and published in in the journal Science Advances, has confirmed that the food web of a coral reef in the Maldives relies heavily on what comes in from the open ocean. (2021-02-19)

A natural protection racket among damselfish and mysid shrimp
In nature, there are examples of animals helping one another and living in mutually beneficial relationships that have helped shape the world's landscapes and biodiversity. New research from the University of Delaware has found one of these domesticator-domesticate relationships undersea, in the waters off Belize, where damselfish provide multigenerational support/protection to mysid shrimp in exchange for a resource or service that benefits both species. (2021-02-18)

More than half of Earth's rivers strongly impacted by human activity
Few of Earth's freshwater areas remain untouched by humans. More than half of the planet's freshwater river basins have been heavily impacted by human activities, according to a new study, which presents a novel, multi-faceted approach for evaluating biodiversity change at a global scale. (2021-02-18)

Ultraviolet 'television' for animals helps us better understand them
University of Queensland scientists have developed an ultraviolet 'television' display designed to help researchers better understand how animals see the world. (2021-02-18)

Fishes contribute roughly 1.65 billion tons of carbon in feces and other matter annually
Scientists have little understanding of the role fishes play in the global carbon cycle linked to climate change, but a Rutgers-led study found that carbon in feces, respiration and other excretions from fishes - roughly 1.65 billion tons annually - make up about 16 percent of the total carbon that sinks below the ocean's upper layers. (2021-02-17)

Fish diet heats up marine biodiversity hotspot
A never-before-seen biodiversity pattern of coral reef fishes suggests some fishes might be exceptionally vulnerable to environmental change. It highlights, for the first time, a unique link between the diet and distribution of species across the marine realm. (2021-02-17)

Managing crab and lobster catches could offer long-term benefits
A study by the University of Plymouth (UK) has found that managing the density of crab and lobster pots at an optimum level increases the quality of catch, benefits the marine environment and makes the industry more sustainable in the long term. (2021-02-15)

Enormous ancient fish discovered by accident
Fossilised remains of a fish that grew as big as a great white shark and the largest of its type ever found have been discovered by accident. (2021-02-15)

Family ties explain mysterious social life of coral gobies
The strange social structure of tiny fish called emerald coral gobies may be explained by family loyalty, new research shows. (2021-02-11)

Researchers find parallels in spread of brain cancer in mammals, zebrafish
Virginia Tech scientists have identified a new zebrafish model that could help advance glioblastoma multiforme research. Glioblastoma is an aggressive form of primary brain tumor - fewer than one in 20 patients survive five years after diagnosis. (2021-02-11)

Genetic markers show Pacific albacore intermingle across equator
Analyzing thousands of genetic markers in albacore tuna from the Pacific Ocean, researchers at Oregon State University have learned that just seven dozen of those markers are needed to determine which side of the equator a fish comes from. (2021-02-10)

Links between pollution and cancer in wild animals: what can we learn?
This recent review combines the information available on cancer occurrences in aquatic and semi-aquatic animals. Cancer is one of the pollution-induced diseases that should be at the centre of attention in ecological and evolutionary research. Authors suggest physiological mechanisms that link pollution and cancer, determine which types of aquatic animals are more vulnerable to pollution-induced cancer, which types of pollution are mainly associated with cancer in aquatic ecosystems, and which types of cancer pollution causes. (2021-02-10)

Plant-based diet and bone health: adequate calcium and vitamin D intakes should be ensured
In a study conducted at the University of Helsinki, partial replacement of animal protein with plant protein in the diet altered bone metabolism and decreased calcium and vitamin D intakes. (2021-02-10)

Novel protein could reverse severe muscle wasting in disease, aging and trauma
Muscle stem cells drive the tissue's growth and repair after such injuries. But growing these cells in the lab and using them to therapeutically replace damaged muscle has been frustratingly difficult. Australian researchers have discovered a factor that triggers these muscle stem cells to proliferate and heal. In a mouse model of severe muscle damage, injections of this naturally occurring protein led to the complete regeneration of muscle and the return of normal movement after severe muscle trauma. (2021-02-10)

Researching ways to improve sustainability and reduce waste in the seafood industry
Nutritionists have been touting the health benefits of seafood for years. But the push to increase our consumption of seafood can put a strain on the seafood industry and create more waste. The research found points of waste reduction regarding sea life and fish, but the model also introduced other points of waste that didn't exist before, including plastic packaging. ASU researcher Lekelia Jenkins believes those points of waste need to be addressed but were small compared to how the model improved sustainability. (2021-02-09)

Captive-bred juvenile salmon unlikely to become migratory when released into streams
Researchers at the Kobe University Graduate School of Science have revealed that when captive-bred juvenile red-spotted masu salmon are released into natural streams, very few individuals become migrants. This was an important species in the rivers of west Japan for the fishing industry, however in recent years their numbers are declining rapidly. The results of this research offer important suggestions for stocking practices and the management of river environments. (2021-02-08)

Uncovering how some corals resist bleaching
Colorful coral reefs have suffered from ''bleaching'' due to climate change, but researchers from University of Hawaii and Michigan State University joined forces to uncover why some were resistant to this effect in the hopes to preserve these oceanic wonders. (2021-02-08)

High CO2 to slow tropical fish move to cooler waters
A new study from the University of Adelaide, published in Nature Climate Change, shows that the ocean acidification predicted under continuing high CO2 emissions may make cooler, temperate waters less welcoming. (2021-02-08)

Mapping hotspots of undersized fish and crustaceans may aid sustainable fishing practices
The seafood fished out of certain areas of southern European seas is consistently too small to keep, shows a recent study. Catching and discarding these juvenile and undersized animals harms biodiversity and worsens overexploitation of fisheries. But identifying these regions may help prioritize where fishing restrictions are needed most. (2021-02-05)

Scientists discover ocean 'surface slicks' are nurseries for diverse fishes
Ocean features called surface slicks are an interconnected superhighway of nursery habitat for more than 100 species of fishes from diverse ocean habitats. (2021-02-04)

Hidden world just below the surface
A team of scientists from NOAA's Pacific Islands Fisheries Science Center, the University of Hawai'i at Mānoa, Arizona State University and elsewhere have discovered that a diverse array of marine animals find refuge in so-called 'surface slicks' in Hawai'i. These ocean features create a superhighway of nursery habitat for more than 100 species of commercially and ecologically important fishes, such as mahi-mahi, jacks, and billfish. Their findings were published today in the journal Scientific Reports. (2021-02-04)

Researchers replicate a potential step of the fin-to-limb transition in zebrafish
By tweaking a single gene, scientists engineered zebrafish that show the beginnings of limb-like appendages. The researchers stumbled upon this mutation, which may shed light on the sea-to-land transition of vertebrates, while screening for gene mutants and their impact on fish development. Their discovery, outlined February 4th in the journal Cell, marks a fundamental step in our understanding of fin-to-limb evolution and how simple genetic changes can create leaps in the development of complex structures. (2021-02-04)

Surprising new research: We're more like primitive fishes than once believed
People traditionally think that lungs and limbs are key innovations that came with the vertebrate transition from water to land. But in fact, the genetic basis of air-breathing and limb movement was already established in our fish ancestor 50 million years earlier. This, according to a recent genome mapping of primitive fish conducted by the University of Copenhagen, among others. The new study changes our understanding of a key milestone in our own evolutionary history. (2021-02-04)

Garlic and selenium increase stress resistance in carps, says a RUDN University biologist
A biologist from RUDN University confirmed that selenium nanoparticles and garlic extract can effectively reduce the negative impact of stress on the health of grass carp in the breeding industry. (2021-02-04)

Fish in warming Scottish seas grow faster but reach a smaller size
Researchers have found new evidence that global warming is affecting the size of commercial fish species, documenting for the first time that juvenile fish are getting bigger, as well as confirming that adult fish are getting smaller as sea temperatures rise. The findings are published in the British Ecological Society's Journal of Applied Ecology. (2021-02-03)

Coral decline -- is sunscreen a scapegoat?
A recent paper in the journal of Environmental Toxicology and Chemistry (ET&C) summarizes the scientific literature assessing the impact of organic UV filters on coral ecosystems. The researchers concluded that while organic UV filters do occur in the environment, there is limited evidence to suggest their presence is causing significant harm to coral reefs. (2021-02-02)

Much to glean when times are rough
Stable seafood consumption amongst the world's poorer coastal communities depends on their local habitat characteristics, which influences how they fish at different times of the year. (2021-02-01)

Forty years of coral spawning captured in one place for the first time
Efforts to understand when corals reproduce have been given a boost thanks to a new resource that gives scientists open access to more than forty years' worth of information about coral spawning. Led by researchers at Newcastle University, UK, and James Cook University, Australia, the Coral Spawning Database (CSD) for the first time collates vital information about the timing and geographical variation of coral spawning. (2021-01-29)

Eyes reveal life history of fish
If you look deep into the eyes of a fish, it will tell you its life story. Scientists from the University of California, Davis, demonstrate that they can use stable isotopic analysis of the eye lenses of freshwater fish -- including threatened and endangered salmon -- to reveal a fish's life history and what it ate along the way. (2021-01-28)

'Virtual anatomy' imaging yields new insight into ancient platypus fish
The inner ear of a 400 million-year-old 'platypus fish' has yielded new insights into early vertebrate evolution, suggesting this ancient creature may be more closely related to modern-day sharks and bony fish than previously thought. (2021-01-27)

New findings on devonian 'platypus fish' cast light on evolution of modern jawed vertebrates
New findings on the brain and inner ear cavity of a 400-million-year-old platypus-like fish cast light on the evolution of modern jawed vertebrates, according to a study led by Dr. ZHU Youan and Dr. LU Jing from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences. (2021-01-27)

In a tight spot
A newly discovered circuit helps fish to prioritize. (2021-01-27)

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