Tag: Ocean Life

Natural History / Natural History - 6 years ago

What is a turkeyfish?

Lionfish (also known as turkeyfish) have venomous spines that can be very painful. Viewed from the right angle, the ornate fins of the lionfish resemble turkey plumage. That's why 'turkeyfish' is one of the many imaginative names people use wh...

Natural History / Natural History - 7 years ago

Are sea cucumbers vegetables?

Chocolate chip sea cucumber found at Johnston Atoll. Most sea cucumbers are scavengers, moving along the seafloor and feeding on tiny particles of algae or microscopic marine animals collected with tube feet that surround their mouths. Found o...

Natural History / Natural History - 7 years ago

Are starfish really fish?

There are approximately 2,000 species of sea star, all of which live in marine waters. Sea stars live underwater, but that is where their resemblance to fish ends. They do not have gills, scales, or fins. Sea stars live only in saltwater. Sea...

Natural History / Natural History - 7 years ago

What are jellyfish made of?

Fascinating, elegant, and mysterious to watch in the water, take a jellyfish out of the water, and it becomes a much less fascinating blob. This is because jellyfish are about 95 percent water. Fascinating, elegant, and mysterious to watch in...

Natural History / Natural History - 7 years ago

What is seaweed?

Kelp forest in the Channel Islands National Marine Sanctuary and National Park. Some seaweeds are microscopic, such as the phytoplankton that live suspended in the water column and provide the base for most marine food chains. Some are enormou...

Natural History / Natural History - 7 years ago

What is a salt marsh?

Salt marsh within Narragansett Bay National Estuarine Research Reserve. Salt marshes are coastal wetlands which are flooded and drained by tides. Salt marshes are coastal wetlands that are flooded and drained by salt water brought in by the ti...

Natural History / Natural History - 7 years ago

What threats do seabirds face?

In California, frequent human-caused disturbances to seabirds include low-flying aircraft, close approaches by motorized and non-motorized boats, humans on foot, and general ocean and coastal users. In California, for example, nesting and migr...

Natural History / Natural History - 8 years ago

Are coral animals or plants?

Corals are sessile animals that "take root" on the ocean floor. It's no wonder that many people think corals are plants! Corals are sessile, which means that they permanently attach themselves to the ocean floor, essentially "taking root" like...

Natural History / Natural History - 8 years ago

What is an invasive species?

VIDEO: What is an invasive species? Here's what you need to know in less than a minute. Transcript Invasive species can harm both the natural resources in an ecosystem as well as threaten human use of these resources. An invasive species can...

Natural History / Natural History - 8 years ago

What makes the right whale "right"?

This mother and calf are part of the western population of North Atlantic right whales. The right whale is an endangered species of whale off the coast of the United States. It was the first whale hunted by American whalers, and it was so depl...