The underwater world is a masterclass in efficient engineering. One of its most successful “mechanical” designs is the long, slender, serpentine body. While most people…

The Wolf Eel (Anarrhichthys ocellatus) is one of the most misunderstood residents of the North Pacific. Despite its name and its somewhat “nightmarish” appearance—complete with…

Imagine you are traveling thousands of feet below the ocean surface. The sunlight fades to a dim blue, then to a haunting gray, and finally,…

Eels are among the most evolutionarily successful and biologically resilient creatures on the planet. From the deep trenches of the Sargasso Sea to the muddy…

Parasitic eels living inside the heart of a shark may sound like something from a sci-fi movie, but this real and rare phenomenon gives us…

Eels are fascinating creatures that inhabit various aquatic environments around the world. Among the most notable distinctions among eels are whether they live in freshwater…