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Ashley Marranzino

Ashley Marranzino has written 36 posts for oceanbites

Can you smell that? Oil spills change stingray’s sense of smell

It may have occurred 8 years ago, but scientists are still talking about the Deep Water Horizon Oil Spill. This epic oil spill made scientists recognize gaps in our knowledge about how oil impacts the environment. To explore the question of how crude oil impacts organisms, a team of scientists at Florida Atlantic University investigate […]

When having babies, is quantity or quality better?

Evolution is riddled with trade-offs. One of the classic examples is how to spread maternal resources – is it better for an individual to have a lot of babies or invest more into only one or two? Researchers examined how this trade-off plays out in the marine world by comparing the competing reproductive strategies of […]

You are Now Entering the Twilight Zone: Exploring the Unique Realm of Mesophotic Reefs

200 feet below the surface of the ocean, light slips away from view. But even here, in the mesophotic zones, life thrives. As scientists learn more about the beautiful fishes and corals that live at these depths we are finding out that they are not immune to human-induced threats. Ashley MarranzinoI received my Master’s degree […]

Losing Coral Reefs Will Cost Us More Money

Coral reefs are extremely important ecosystems. Sadly, climate change, pollution, and various other threats are causing us to lose some of these critical habitats. A group of scientists estimated just how much it will cost us in the future if we lose these important corals. Ashley MarranzinoI received my Master’s degree from the University of […]

Sleeping with one eye open: fur seals may help us understand sleep patterns

Most mammals need to catch their zzz’s to function properly. Fur seals appear to naturally go through prolonged periods of sleep deprivation without suffering obvious side effects. Researchers are studying these semi-aquatic mammals to uncover some mysteries about sleep. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the […]

Big Momma: bigger fish are better moms

What makes a fish a good mom? Read here to see why scientists now think that big fish moms are the best fish moms. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. I am now an instructor at Georgia Southern University where […]

Tracking Global Fisheries with the Help of Computer Neural Networks

Fisheries are vital to global economies and to the billions of people who rely on fish for their primary source of protein. How do we track and manage these fisheries? Read how a new study looks at the global footprint of fisheries and analyzes what drives this market. Ashley MarranzinoI received my Master’s degree from […]

Plastics increase disease risks for corals

You have probably heard about the troubles coral reefs are facing and about the detrimental effects of plastic pollution in our oceans. Now these two issues appear to be linked: corals are getting sick when they come in contact with plastic. Find out more here. Ashley MarranzinoI received my Master’s degree from the University of […]

The backbone of an ecosystem: bone-eating zombie worms control biodiversity at deep-sea whale falls

Zombies are real – but they are nothing like the ones from The Walking Dead. No, these zombies are worms that live in the ocean. And instead of brains, they eat and break down bones. In fact, these zombie worms are quite important to food webs. Click here to find out more about zombie worms […]

That idea doesn’t suck: Hitchiking fish inspires a robotic suction disk

How do scientists build better suction cups? Turn to nature’s hitchikers for inspiration! Read on to see how remoras inspired a robotic suction disc that does a great job of sucking! Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. I am now […]

Science Behind the Scenes: A Tour of the Exploration Vessel Nautilus

What is it really like to do research out at sea? Last month oceanbites writers Megan Chen and Ashley Marranzino participated in a research cruise aboard the Exploration Vessel Nautilus – watch a special behind the scenes video blog to see a tour of the ship! Ashley MarranzinoI received my Master’s degree from the University […]

Shark Week For Scientists III: Notes from the Annual Joint Meeting of Ichthyologists and Herpetologists

Love watching Shark Week to see how scientists study sharks? I just returned from the annual Joint Meeting of Ichthyologists and Herpetologists where shark, fish, amphibian, and reptile biologists met to talk about their scientific findings. Here I’ll review some of the exciting new research on sharks and fish you won’t see on Discovery Channel! […]

Ocean Tech: Using Robots to Conduct Deep-Sea Research

The deep sea is the largest habitat on Earth, but with freezing water and high pressures it is difficult for scientists to study this ecosystem. With the help of technological advances over the past decades, it is becoming easier to unveil some of the mysteries of the deep. Read on to find out how. Ashley […]

Now You See Me, Now You Don’t: Using an Invisibility Cloak for Deep-Sea Camouflage

You may not have to go to Hogwarts to find an invisibility cloak of your own. Although, the trip to this extreme environment full of transparent crustaceans may be just as tricky to get to. Read more to find out how hyperiid amphipods are able to make themselves invisible! Ashley MarranzinoI received my Master’s degree […]

Manmade Pollutants Plague Deep-sea Organsims

Scientists have found an alarming accumulation of certain persistent organic pollutants in an environment previously thought pristine and untouched by humans: the deep sea. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. I am now an instructor at Georgia Southern University where […]

Heroic Humpbacks: Orcastrate an Escape

While watching a pod of killer whales attacking their prey, scientists noticed a small group of humpback whales come to the rescue. Why did these humpbacks risk their own safety to save another animal? Read more about how scientists are investigating this question. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island […]

Exciting strides for eDNA: Insights into whale shark population genetics

In the past few decades scientists have found new and exciting ways to use DNA to answer scientific questions. There is now a new technique that could further revolutionize DNA analysis by using tiny pieces of tissue floating around in the ocean. Read more about how scientists are using this technique to answer questions about […]

The Rebirth of the “Mighty-I”

Happy Halloween! This is the true, spooky tale of life, death, and rebirth beneath the waves. To end off OceanBites’ haunting Halloween theme week, read the story of USS Independence – an aircraft carrier that participated in atomic bomb trials at Bikini Atoll. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island […]

The Manta in the Mirror: Are Manta Rays Self-Aware?

Fish are not typically thought of as the most intelligent animals. Yet, new research on manta rays may revolutionize the way we think about how some fish grasp difficult concepts like self-awareness. Read on to see how. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology […]

Ocean Exploration aboard the E/V Nautilus

I am fresh off a month-long stay aboard the Corps of Exploration vessel the E/V Nautilus. Read more to learn about the incredible exploration and research conducted aboard the Exploration Vessel Nautilus Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. I am […]

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