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Fish Heart Out of Water
Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...
Pair of Angelfish
A pair of French Angelfish (Pomacanthus paru) swim off the coast of Brazil. This...
Cells Get Fat
These cells are from a pygmy sperm whale in a laboratory culture dish. The red dyed...
The Dragon of the Sea
Just like other seahorse species, male weedy sea dragons are the ones to get...
An Invasive Brittlestar
These brittlestars (Ophiothela mirabilis) are not where they belong. These animals,...
A school of yellowfin surgeonfish, Acanthurus xanthopterus, feed near dusk off...