Marine Life
Latest Feature Articles
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Why Do Fish Have Omega-3 Fatty Acids?
There's a reason why fish have so many omega-3s in their bodies. It has less to do with cholesterol and heart health and more to do with the cold.
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Where do Pearls Come From?
Sand may have nothing to do with pearl formation. Here are the new and old theories on why oysters make pearls and how oysters do it.
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Sea Urchin Life Cycle
Sea urchin reproduction, larvae, and metamorphosis are important stages in a sea urchin's life cycle.
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Do Sharks Have Predators?
Sharks are not often attacked but they do have a few predators to look out for.
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Do Sharks Sleep?
Shark sleep remains a mystery to scientists, however, important insights have been made.
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A Description of Marine Parasitism
Marine parasites represent an important part of ocean ecology.
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Top Five Interesting Nudibranch Facts
Nudibranchs are amazing creatures with unique defense mechanisms and a variety of odd features. These creatures are certainly deserving of more attention.
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Are Sharks Always Moving?
Many people have learned that if sharks stop moving they will die. However this is not always true.
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How Fish Maintain Buoyancy
Swim bladders help fish maintain buoyancy so they neither float nor sink. Here's how the swim bladder works.
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Does Lightning Kill Fish?
There are plenty of stories of people getting hit by lightning but few about lightning fried fish. Find out whether lighting strikes hit fish and why or why not.
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How Global Warming Affects the Ocean
Global warming means more than just rising temperatures. It affects ice caps, coastal communities, and marine creatures.
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A List of Marine Reptiles
Learn about marine iguanas in the Galapagos, tropical venomous seas snakes, the deadly salt water crocodile, and endangered sea turtles.
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Defense Mechanisms of Ocean Fish
Defense mechanisms such as camouflage, spines, and poisons help fish escape predators.
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How Mangrove Fish and Mudskippers Live on Land
Some fish are able to leave the water and breathe air on land. This requires special adaptations to their gills.
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The Largest Ocean Animals
Elephants, lions, and bears may be big but they certainly don't compare to some of the largest ocean animals.
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Cold Water and Deep Water Corals Do Exist
Cold water corals are an important part of the ecosystem that everyone should be aware of.
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Examples of Commensalism in the Ocean
Commensalism is one type of inter-species relationship. In the ocean many species interact with each other, often to the benefit of at least one partner.
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How Taxonomists Define Algae
The term 'algae' covers many different organisms from plant-like seaweeds to unicellular diatoms. This can make an algae definition confusing.
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Symbiotic Relationship Between Coral and Algae
Corals and zooxanthellae algae depend on each other for survival in a symbiotic relationship called mutualism.
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Mutual Symbiotic Relationships in the Ocean
Here are a few cases of mutualism in the marine environment. Mutualism is when species benefit from their interaction with each other.
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Where Do Cowrie Shells Come From?
Cowrie shells are beautiful, shiny, and endangered. There are about 200 different species of cowries, which are a kind of sea snail.
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Dolphins Sleep with Half Their Brain
Dolphins let only half of their brain sleep at a time so that they can stay alert and breathe underwater.
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Fish Have Sex in a Variety of Ways
Fish sex doesn't conform to traditional ideas. Fish can reproduce by laying eggs, delivering live births, and fertilizing eggs internally or externally.
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Top Four Places to See Whale Sharks
Finding a whale shark isn't easy, here a few of the best places to look.
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Wondering Where Do Seashells Come From?
Seashells are beautiful - but who knew they once belonged to an animal? All seashells come from mollusks.
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