Today's Catch

False killer whales form close bonds which can result in them getting stranded in large groups.

The Killer Whale Imposter

The false killer whale (pdf) ( Pseudorca crassidens ) is a large dolphin that, despite its name, is not closely related to the killer whale, although they are both in the same family, Delphinidae . Instead, it's named for similarities in their skull...
Hundreds to thousands of tiny crustaceans live on each right whale, eating algae that settles on their skin.

Whale Lice

This close-up photo of a right whale's head shows dozens of hitchhikers—tiny crustaceans known as whale lice, or cyamid amphipods. They live on the rough patches of skin (known as callosities) on North Atlantic right whales , eating algae that...
A blenny fish against both a white and black backdrop, where you can see its beautiful color pattern.

A New Fish DROP-ping In

By diving in the Curasub, Smithsonian researchers with the Deep Reef Observation Project (DROP) have discovered a new species of tiny fish in the biodiversity-rich waters of the southern Caribbean. The fish, a blenny named Haptoclinus dropi , is...
The frogfish is an expert hunter and can eat fish in 6 milliseconds.

The Frogfish

Frogfish are skilled hunters and some species are capable of blending into local environments such as coral reefs . A frogfish can camouflage itself so well that prey fish will swim close by without seeing the predator lurking before them. Then,...

Sea Turtles Return to the Sea

Sea turtles face many obstacles throughout their lives—net entanglement, light pollution, mistaking plastic for food—among the many that are caused by humans. Get a glimpse of what goes on behind-the-scenes of a sea turtle hospital in North Carolina...

Whip Coral Goby Portrait

"Macro shot of a whip coral goby, taken in Fiji during a trip to the Somosomo Strait," wrote Erwin Poliakoff of his image , a winning selection in the Portraits of Planet Ocean Flickr contest . Whip coral gobies ( Bryaninops yongei ) live on coral...
Venus fly-trap anemone in the Gulf of Mexico

Venus Fly-Trap Anemone in the Gulf of Mexico

Like its terrestrial namesake, the Venus fly-trap anemone ( Actinoscyphia sp.) sits quietly and waits for food to drift into its outstretched tentacles, which are lined with stinging harpoons called nematocysts. Of course, this is how most anemones...
Hawaiian monk seal comes ashore

Red Listed: Study Finds One-Fifth of World's Vertebrates Are at Risk

A 2010 study of IUCN's Red List of Threatened Species found that one-fifth of the world's vertebrates (animals with backbones) are threatened with extinction, including this Hawaiian monk seal. The Hawaiian monk seal ( Monachus schauinslandi ) is...
A many-armed, orange starfish.

A Filter-Feeding Starfish

An orange brisingid starfish sits on a large reef of Lophelia pertusa, cold-water corals in the Gulf of Mexico, at 450 m depth as a school of fish swims above. They have many arms—up to 20!—covered in spines, which themselves are covered with small...

Cabo Pulmo World Heritage Biosphere Reserve

Cabo Pulmo is the northernmost coral reef in the eastern Pacific, and, at around 20,000 years old, it may be the oldest and most important reef in the American Pacific. The preservation of Cabo Pulmo is a local, national, and international success...

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