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King Manuel of Portugal rides a sea creature
Photo

Political Props

Long before they disappeared from maps, sea monsters were repurposed for politics....
a mermaid illustration on an old map
Photo

A Mermaid's Vanity

A siren admires herself in a mirror—a sign of her vanity—amongst ships in the...
A lobster like beat on an old map
Photo

The Many Footed Beast

Polypus (meaning “many-footed”) was used to describe many animals, from the...
Two whales attack a ship on a map
Photo

Whales of the Carta Marina

Two whales attack a ship as sailors try to scare them away by tossing barrels and...
A sea pig illustration on an old map
Photo

Sea Swine

This sea pig, which was compared to heretics that distorted truth and lived like...
a part human, part horse, part fish on an early atlas
Photo

Mythical Creatures on Maps

An ichthyocentaur (parts human, horse and fish) plays a viol on a map of...
A sea monster attacks a wooden ship
Photo

Sea Monsters of an Early Atlas

Jonah is cast overboard to a sea monster in an image from the earliest known atlas,...
The first known filter feeder is a large shrimp-like creature called Tamisiocaris borealis. The feather-like structures on its head were used to rake plankton from the sea.
Photo

The First Filter Feeder

Today, filter feeders like clams, sponges, krill, baleen whales, fishes, and many...
Mangrove Salt Glands
Photo

How Mangroves Deal with Saltwater

Looking at a white mangrove (Avicennia marina) leaf cross-section under the...
Red Algae
Photo

Branching Red Algae

Under the microscope, you can peer inside the cells of this filamentous red algae....
A spiraled diatom with spines.
Photo

A Diatom Helix

This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...
Unlike the green, leafy algae we're used to seeing, coralline algae has a hard crust—which you can see here at the molecular level under a scanning electron microscope.
Photo

Coralline Algae Under the Microscope

Unlike the green, leafy algae we're used to seeing on the seafloor, coralline algae...

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