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Fish Heart Out of Water
Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...
Sea squirts, or ascidians, are a diverse class of marine invertebrates representing...
Of all of the species Haeckel described, he is most famous for his illustrations of...
Copepods are aquatic crustaceans found in every marine habitat, from surface waters...
Sea anemones are members of the phylum Cnidaria, and as such are related to corals...
Starfish—marine invertebrates of the phylum Echinodermata—are famous for their...
Haeckel was inspired by nature to create not only stunning scientific illustrations...
Historically, sea urchins were known as sea hedgehogs due to their superficial...
The siphonophores are an order of marine animals in the phylum Cnidaria (the same...