Study Reveals Remoras' Unusual Behavior with Manta Rays, Raising Questions on Symbiotic Relationships
A recent study has uncovered a surprising behavior of remoras, also known as suckerfish, which are known for attaching themselves to larger marine animals like manta rays. The study, published in the journal Ecology and Evolution, reveals that remoras sometimes hide inside the cloacal openings of manta rays, a behavior previously undocumented. This discovery was made when a free diver observed a remora quickly inserting itself into a manta ray's cloaca after being startled. The cloaca is a multi-purpose opening used for reproduction, waste elimination, and copulation. The study, led by Emily Yeager, a doctoral candidate at the University of Miami, suggests that this behavior might not be as harmless as previously thought, potentially causing discomfort or harm to the manta rays. 
