Friday Squid Blogging: Squid Communications

In the oval squid Sepioteuthis lessoniana, males use body patterns to communicate with both females and other males:

To gain insight into the visual communication associated with each behavior in terms of the body patterning’s key components, the co-expression frequencies of two or more components at any moment in time were calculated in order to assess uniqueness when distinguishing one behavior from another. This approach identified the minimum set of key components that, when expressed together, represents an unequivocal visual communication signal. While the interpretation of the signal and the associated response of the receiver during visual communication are difficult to determine, the concept of the component assembly is similar to a typical language within which individual words often have multiple meanings, but when they appeared together with other words, the message becomes unequivocal. The present study thus demonstrates that dynamic body pattering, by expressing unique sets of key components acutely, is an efficient way of communicating behavioral information between oval squids.

News article.

from Friday Squid Blogging: Squid Communications

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