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fisheries

This tag is associated with 51 posts

Watch out guys, pregnant whale sharks are on the loose!

Whale sharks have become an increasingly popular tourist attraction, but much of their life history remains largely unknown. This study sets off to observe whale sharks around Darwin Island to help understand more about their habitat use, population size, and seasonal appearances. And what they find is a whole lot of pregnant whale sharks. Valeska […]

Bottom trawling changes bodies: the new seafloor diet

Seafloor trawling inevitably captures more than the species it is targeting. This means that when the remaining fishes line up at the buffet table, the options they have to choose from may be different than what they like to eat. In this article, Johnson et al., investigate whether two fish species in the Irish Sea […]

The Language of Fishes

Coral reefs are composed of hundreds of different species, who all use different acoustics to communicate, just like we use different languages around the world to communicate. Researchers set out to better understand and record the language of fishes in hopes of building a species-specific soundscape of the coral reef community. Valeska UphamFor my fisheries […]

Cartilaginous Conundrum: Are Sharks and Skates Safe to Eat?

While smooth dogfish may not be on your list of favorite seafood, cartilaginous fish (mainly sharks and skates) may increasingly find their way onto your dinner plate due to the decline of more traditional fisheries. While increased demand for these species as a food item could help struggling seafood industries, recent proposals to use dogfish […]

The Ghastly Impacts of Ghost Fishing Gear

Derelict fishing traps, or DFTs, are abandoned traps that may still be actively capturing marine organisms, in a phenomenon known as “ghost fishing.” In this study, a group of scientists put together a qualitative assessment on the ecological and economic impacts these traps may be having on coastal ecosystems throughout the United States. Erin MarkhamErin […]

Beware! Shellfish are taking over the fishing industry

Overfishing has created a cascading effect in the marine food web. Once, large apex predators, such as cod, dominated the fishing industry, but now, shellfish have taken over and contribute to more than half the fisheries stock. Valeska UphamFor my fisheries and aquatic science PhD I am working on how to tank raise urchins and […]

How will climate change affect coastal fisheries production?

Forecasted impacts of climate changes on fisheries production in coastal ecosystems suggest modest changes on average with significant increases in primary production in high latitude systems and declines near the equator. Fisheries in developing nations are most at risk. However, declining productivity may be buffered by responsible management practices. Lis HendersonI am studying for my […]

It’s all about color for the rainbow wrasse

Male rainbow wrasses actively defend their territory and the amount of red light entering the water column has been found to have an effect on how aggressive these males will be towards intruding wrasses. Valeska UphamFor my fisheries and aquatic science PhD I am working on how to tank raise urchins and transplant them onto […]

You Are What Your Fish Eats: how an invasive seaweed is contributing to the decline in nutritional value of commercial fish

Invasive species are known to be harmful to native species, biodiversity, and ecosystem function. But recent research has shown that certain invasive species may be affecting the nutritional quality of your food! Gordon OberPostdoctoral Researcher, Claremont McKenna College I am currently a postdoc at Keck Sciences, Claremont McKenna College. I work with Dr. Sarah Gilman, […]

Annual fishing weir catches may be under-reported to the U.N. by Persian Gulf Nations

Scientists from the University of British Columbia who are a part of the Sea Around Us Project use Google Earth to estimate fish catches in the Persian Gulf. Their findings show that the estimated catch is up to six times greater than official figures from the United Nations Food and Agriculture Organization (FAO). Cathleen TurnerCat […]

http://upload.wikimedia.org/wikipedia/commons/6/65/Fishing_Trawler.jpg

Cooked fish: Ocean warming and global fisheries

Global fisheries are expected to change as ocean temperatures warm. A recent study by Cheung et al. uses mean temperature of catch, a metric based on species’ average thermal preferences, to determine whether fisheries are changing to include more warm-water species. Lis HendersonI am studying for my doctoral degree at the Stony Brook University School […]

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    Happy Earth Day! Take some time today to do something for the planet and appreciate the ocean, which covers 71% of the Earth’s surface.  #EarthDay   #OceanAppreciation   #Oceanbites   #CoastalVibes   #CoastalRI 
  • by oceanbites 4 weeks ago
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  • by oceanbites 2 months ago
    Being on a research cruise is a unique experience with the open water, 12-hour working shifts, and close quarters, but there are some familiar practices too. Here Diana is filtering seawater to gather chlorophyll for analysis, the same process on
  • by oceanbites 3 months ago
    This week for  #WriterWednesday  on  #oceanbites  we are featuring Hannah Collins  @hannahh_irene  Hannah works with marine suspension feeding bivalves and microplastics, investigating whether ingesting microplastics causes changes to the gut microbial community or gut tissues. She hopes to keep working
  • by oceanbites 3 months ago
    Leveling up - did you know that crabs have a larval phase? These are both porcelain crabs, but the one on the right is the earlier stage. It’s massive spine makes it both difficult to eat and quite conspicuous in
  • by oceanbites 3 months ago
    This week for  #WriterWednesday  on  #Oceanbites  we are featuring Cierra Braga. Cierra works ultraviolet c (UVC) to discover how this light can be used to combat biofouling, or the growth of living things, on the hulls of ships. Here, you
  • by oceanbites 4 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Elena Gadoutsis  @haysailor  These photos feature her “favorite marine research so far: From surveying tropical coral reefs, photographing dolphins and whales, and growing my own algae to expose it to different
  • by oceanbites 4 months ago
    This week for  #WriterWednesday  on Oceanbites we are featuring Eliza Oldach. According to Ellie, “I study coastal communities, and try to understand the policies and decisions and interactions and adaptations that communities use to navigate an ever-changing world. Most of
  • by oceanbites 4 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Jiwoon Park with a little photographic help from Ryan Tabata at the University of Hawaii. When asked about her research, Jiwoon wrote “Just like we need vitamins and minerals to stay
  • by oceanbites 5 months ago
    This week for  #WriterWednesday  on  #Oceanbites  we are featuring  @riley_henning  According to Riley, ”I am interested in studying small things that make a big impact in the ocean. Right now for my master's research at the University of San Diego,
  • by oceanbites 5 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Gabby Stedman. Gabby is interested in interested in understanding how many species of small-bodied animals there are in the deep-sea and where they live so we can better protect them from
  • by oceanbites 5 months ago
    This week for  #WriterWednesday  at  #Oceanbites  we are featuring Shawn Wang! Shawn is “an oceanographer that studies ocean conditions of the past. I use everything from microfossils to complex computer models to understand how climate has changed in the past
  • by oceanbites 5 months ago
    Today we are highlighting some of our awesome new authors for  #WriterWednesday  Today we have Daniel Speer! He says, “I am driven to investigate the interface of biology, chemistry, and physics, asking questions about how organisms or biological systems respond
  • by oceanbites 6 months ago
    Here at Oceanbites we love long-term datasets. So much happens in the ocean that sometimes it can be hard to tell if a trend is a part of a natural cycle or actually an anomaly, but as we gather more
  • by oceanbites 7 months ago
    Have you ever seen a lobster molt? Because lobsters have exoskeletons, every time they grow they have to climb out of their old shell, leaving them soft and vulnerable for a few days until their new shell hardens. Young, small
  • by oceanbites 7 months ago
    A lot of zooplankton are translucent, making it much easier to hide from predators. This juvenile mantis shrimp was almost impossible to spot floating in the water, but under a dissecting scope it’s features really come into view. See the
  • by oceanbites 7 months ago
    This is a clump of Dead Man’s Fingers, scientific name Codium fragile. It’s native to the Pacific Ocean and is invasive where I found it on the east coast of the US. It’s a bit velvety, and the coolest thing
  • by oceanbites 8 months ago
    You’ve probably heard of jellyfish, but have you heard of salps? These gelatinous sea creatures band together to form long chains, but they can also fall apart and will wash up onshore like tiny gemstones that squish. Have you seen
  • by oceanbites 9 months ago
    Check out what’s happening on a cool summer research cruise! On the  #neslter  summer transect cruise, we deployed a tow sled called the In Situ Icthyoplankton Imaging System. This can take pictures of gelatinous zooplankton (like jellyfish) that would be
  • by oceanbites 9 months ago
    Did you know horseshoe crabs have more than just two eyes? In these juveniles you can see another set in the middle of the shell. Check out our website to learn about some awesome horseshoe crab research.  #oceanbites   #plankton   #horseshoecrabs 
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