The sealguana is a creature that inhabits the outlying islands of the Fire Nation.[1] It is generally found in its preferable environment of hot, humid weather, and also enjoys swimming.
Sailors used to believe that the call of the sealguana was that of a mermaid. However, upon finding the source of these sounds, sailors were disappointed to realize that they were only animals, not mermaids, and killed them for food.[2]
The sealguana has the torso of an iguana and the flippers of a seal. It is usually green or blue in color, with a darker line of thorn-like spikes that run along its spine, from the top of the skull down to the tip of the tail.
The sealguana is a hybrid of the real-world seal and Marine Iguana of the galapagos, an iguana that can actually swim. The fact that it is mistaken for a mermaid may be a reference to the manatee.
The sealguana legends strongly resemble the legend of sirens in ancient Greek mythology. Essentially, sirens would lure sailors using their beautiful, harmonious calls. Once the sailors arrived, however, the sirens would kill them. This is similar to how sealguanas would accidentally lure sailors with their beautiful calls. However, in this case, the sailors kill the sealguanas instead.
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