Have you noticed a black ghost knifefish hiding out in this hollow log? Don't worry, it's not stuck! Knifefish are one of the few kinds of fish that can swim backwards without turning around, so it's very easy for them to get out! | Vancouver Aquarium

Introducing the captivating Black Ghost Knife Fish, an aquatic enigma that bewitches aquarists with its mystique 🐟🌑✨. True to its name, this fish displays a striking black coloration, creating an air of intrigue as it elegantly glides through the water. Its elongated body, resembling a slender knife, and trailing ribbon-like tail give it a uniquely dramatic appearance, making it stand out among its tank mates. Native to South America, the Black Ghost Knife Fish can be found in slow-moving fres