Physical Appearance
Like other bobtail squid, Southern Dumpling Squid have a light organ fuelled by symbiotic bioluminescent bacteria. The light organ, which is butterfly-shaped, is situated in the mantle cavity and is used to cancel out the bobtail squid's silhouette. There are large semi-circular fins on the rear half of the mantle. Although they can change colour, they are usually an iridescent green or yellow with brown spots. The bobtail squid have four rows of suckers on each arm and both their arms and tentacles are armed with toothed horny rim.
Read more about this topic: Euprymna Tasmanica
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