Dan Russell shares an observation from a recent diving trip regarding a peculiar behavior where two different fish species swim in tight formation, such as a Spanish hogfish being closely followed by a Trumpetfish.
The post poses research questions to the community about the name of this phenomenon, its biological purpose, and which other combinations of species might exhibit similar patterns.
The post poses research questions to the community about the name of this phenomenon, its biological purpose, and which other combinations of species might exhibit similar patterns.
