On December 27, 2015, in the crystal-clear waters of Puerto Galera, Philippines, an intriguing sight unfolded as captured by @atsushisadaki. In a mesmerizing video shared, a ribbon eel gracefully swam, its sinuous body adorned with subtle hues of blue and yellow. Born jet black, these enigmatic creatures undergo a striking transformation, with males donning vibrant blue tones while females age into a resplendent yellow. Despite their menacing appearance, these eels are known for their timid nature, often retreating into their burrows at the slightest hint of disturbance.

On December 27, 2015, in the crystal-clear waters of Puerto Galera, Philippines, an intriguing sight unfolded as captured by @atsushisadaki. In a mesmerizing video shared, a ribbon eel gracefully swam, its sinuous body adorned with subtle hues of blue and yellow. Born jet black, these enigmatic creatures undergo a striking transformation, with males donning vibrant blue tones while females age into a resplendent yellow. Despite their menacing appearance, these eels are known for their timid nature, often retreating into their burrows at the slightest hint of disturbance.