Banded butterflyfish, Chaetodon striatus, according to fishbase.org, are monogamous, the practice of having a single partner during a period of time. Just like many humans!
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQA67fRFsL8MtOL1sxEUeqg4m8A_8inapwGVt76TqF8D4t2wnsteAMXz1qChr2p7UPqIRg9M8Gu4joYuVIwVUcXzhzcnsPukAjo5asGhGGj6n4Zz6cKpm8RSvUXn_HZWFa470fc25BHxE/s1600/BandedButterflyfish.jpg)
Banded butterflyfish (Photo: Bernard E. Picton via Wikimedia Commons)
In fact, during our Bahamas Collecting Expeditions, we never take just one of these fish if it is seen as a pair with another. Trip rules. Speaking of, the next trip is coming up in just a few months. Stay tuned.
Chris