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Ashley Marranzino

Ashley Marranzino has written 38 posts for oceanbites

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 […]

Shark (and fish, reptiles, and amphibians) Week for Scientists II: Notes from the Joint Meeting of Ichthyology and Herpetology 2016

As Shark Week drew to an end, the scientist that study sharks, fish, amphibians and reptiles joined together to discuss their scientific research with one another at the Joint Meeting of Ichthyologists and Herpetologists. Here are some of the highlights! Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied […]

Earth Week: Overview on Overfishing

We rely heavily on the oceans as a source of food. Unfortunately, fish populations have declined by over 50 percent over the past several decades. This can spell disaster for us and ocean ecosystems. Read on for to find out more about how we are impacting the oceans through overfishing. Ashley MarranzinoI received my Master’s […]

The Mystery of the Virgin Birth

A female eagle ray gives birth to two female pups. But she has been housed in a tank without any sexually mature males. Is it a miracle or is there some logical explanation? Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. I […]

Sea of Love: Hermaphroditic fishes

Finding a date on Valentine’s Day can be hard! Whether you are single or in a relationship, we are trying to make your week a little brighter by sharing some tales of romance from the ocean. Today we will look at the answer some fishes have found for not being able to find a suitable […]

Oceanbites at the Society for Integrative and Comparative Biology: Part II

This year’s annual meeting for the Society of Integrative and Comparative Biology brought together over 2000 scientists to share their research. With a slew of exciting topics ranging everywhere from ecology to biomechanics, there were plenty of talks worth reporting. But, for the second post on SICB, I will share my most memorable marine talks. […]

How to See Through a Shell

You may never have heard of this funny little ocean creature, but the chiton is pretty incredible. Why? It has hundreds of remarkable little eyes! Read how materials scientists are using this odd ocean animal as a model for building better materials. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where […]

Halloween Edition: Creepy Ocean Critters

For this special Halloween edition of OceanBites we are going to explore the creepy creatures that inhabit our ocean. Get ready to learn about some weird, wonderful, and spooky animals. Happy Halloween! 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 […]

Colorful adaptations: the use of fluorescence as a lure

When viewed under the right filter, the world can look like one big black light party. A large variety of organisms – everything from plants to penguins – are fluorescent. But what is the purpose of glowing when exposed to certain lights? Researchers tested one hypothesis: these fluorescent organisms may be luring in unsuspecting prey. […]

Science at Sea

There are many steps in the scientific process before a paper is actually published and results are shared with the public. One of the first steps in this process is collecting samples. For a lot of the research discussed here at oceanbites.org, scientists must go out to sea on a research cruise to conduct their […]

Shark Week for Scientists

Shark, fish, and reptile scientists joined together to share their research at the 2015 Joint Meeting for Ichthyologists and Herpetologists last week. Here are some of the interesting talks I was able to see. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. […]

Seeing with skin: the secret to octopus camouflage

Capable of blending into the environment in a matter of seconds, the octopus in no normal sea creature. But just how is the octopus able to disguise itself so flawlessly? Researchers reveal that these cephalopods may be able to “see” with their skin! Ashley MarranzinoI received my Master’s degree from the University of Rhode Island […]

The first evidence of a warm blooded fish

Fish are cold blooded, right? Their body temperature is regulated by the temperature of the surrounding water. Well, this may not be the case for all fish. New evidence suggests a species of fish, the opah, is warm blooded! This is the first evidence of full body endothermy in fishes, making this fish kind of […]

Clams Catch Contagious Cancer

Clams along the northeastern coast of North America are suffering from a form of cancer that researchers have recently discovered is a new type of contagious cancer. 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 working with the South […]

Coral Reef Restoration Through Human-Assisted Evolution

Coral reefs populations are declining. Is it possible that we could help restore coral reefs by speeding up their evolutionary processes? Researchers propose new management strategies for aiding reef restoration by accelerating the natural processes of evolution. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology […]

There are plenty of fish in the sea! ….or are there?

Tigers, pandas, and orangutans are the poster children of endangered species, but marine animals have started to join their ranks. Scientists compared the terrestrial extinction events to more recent marine animal depletions to try and predict potential threats to marine ecosystems. What they found may help us to prevent large scale extinctions from occurring in […]

Deep-sea Lights

Many different animals in the ocean produce light to communicate, especially in the darkness of the deep-sea. But how exactly do these animals produce their own light? Researchers studied the structure of a bioluminescent organ in rattail fishes to see how these fish begin to produce light. Ashley MarranzinoI received my Master’s degree from the […]

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