Flashlight Fish

Flashlight Fish
Latin name:
(Anomalops katoptron)

Care Level








Preferred Conditions

sg 1.020-1.025, 72-78° F, dKH 8-12, pH 8.1-8.4

Avg. Max Size


Minimum Tank Size


Highest Rated Food
Highest Rated Coloring Enhancing Fish Food
Fluval Bug Bites Color Enhancing Fish Food
Insect Larvae & Salmon Recipe Fish Food
The Fluval Bug Bites Color Enhancing Fish Food for Tropical Fish is a highly rated product. The granules are designed to enhance the color of tropical fish, and many customers have noticed a significant improvement in the vibrancy of their fish’s colors. The food is made with high-quality ingredients and is easily digestible for the fish. Superior in terms of color enhancement. #1 Recommended Fish Food

The species of fish producing this light is a remarkable example of symbiosis. The light is generated by a group of organisms living within the fish, including symbiotic bacteria. These bacteria require a certain environment to stay alive, so the fish has an organ that it specifically designed to house them. Moreover, these bacteria are crucial for the biological processes of the fish, allowing it to survive and thrive. Furthermore, the use of the light organ in the fish’s communication, defense, and foraging is a testament to the remarkable adaptation of this species. The presence of the light organ also serves as a reminder of the importance of symbiosis in nature.

The Flashlight Fish is an amazing species that makes an unforgettable display in the aquarium. This species is equipped with a specialized organ containing a symbiotic bacteria that produces light, allowing them to be seen in the darkest of waters. With this unique light source, in certain locales around the world, skippers follow schools of Flashlight Fish in order to safely navigate through reef passes at night. This ability of the Flashlight Fish has been a great asset to mariners for years. Furthermore, Flashlight Fish are highly valued for their unique appearance in the aquarium, providing a unique and captivating experience for the viewer.

This nocturnal fish is well suited for the specialized aquarium that contains other nocturnal fish such as similar sized fish, squirrelfish, big eyes and cardinalfish. A low light tank or a tank with numerous hiding places is ideal. A small group of these fish work best, as they usually will adjust more quickly and take food easier when they are maintained together. Rarely aggressive among themselves or to other fish in the aquarium, this species fares best with very passive tank mates. These fish are extremely sensitive to copper sulfate and should never be exposed to this medication.