Here are some black ghost knife fish tank mates we recommend:
Electric Blue Acara.Silver Dollar Fish.Oscar Fish (this pairing needs plenty of space)Cory Catfish.Rope Fish.Bichir.

How big does a Black Ghost Knifefish get?

It will grow to a maximum length of 50 cm (20 in). Black ghost knifefish are nocturnal. They are a weakly electric fish which use an electric organ and receptors distributed over the length of their body in order to locate insect larvae.

Can 2 Black Ghost Knifefish live together?

These are not an aggressive species toward other tank mates such as peaceful Cichlids, however, it becomes very aggressive when sharing small spaces with the same or similar species. If you choose to keep these fish together, you will need to allow a minimum of 80 gallons per fish.

How fast do Black Ghost Knifefish grow?

Black ghosts only grow 4-5 inches (10-13 cm) a year – for the first five years. Then they slow down. But the damage is usually done by that point. At full adult length, black ghost knifefish reach up to 20 inches (51 cm).

Do Black Ghost Knifefish eat snails?

The Black Ghost Knifefish is a carnivore. In their natural environment, the fish emerge from their hiding places to hunt once the sun has set. Throughout the night, the fish feed on insects, insect larvae, worms, snails, invertebrates, and small fish.

What size tank does a Bichir need?

Tank Size. The minimum recommended tank size for these fish is around 90 gallons for one. The size of these fish and their activity level means they need ample room so they can swim and feel comfortable.

What can live with a ghost knife?

Black Ghost Knifefish are best kept with tank mates that are not too boisterous or aggressive. Discus, Geophagus, Severum, Angelfish, peaceful Catfish, peaceful Cichlids and larger (6 inches or more) community species make good tank mates.

How big of a tank do you need for a ghost knife?

Ghost knives, featherfin knives and African knives attain lengths of 8″ to 12″, requiring an aquarium of at least 55 gallons when full grown. Banded knives require at least 100 gallons and adult clown knives will require a 200-gallon aquarium or larger.

What do ghost knife fish eat?

Black Ghost Knife Fish are carnivorous and eat in- sects, small crustaceans and fish in the wild. For this reason, they enjoy a mixture of live foods such as Daphnia, Brine Shrimp, meaty frozen foods, worms and feeder fish. They will also eat small pellets, peas, earthworms and frozen community fish foods.

How long do ghost shrimp live for?

Ghost Shrimp lifespan can be anywhere from a couple of days to 1 year. In some cases under good conditions and with a little luck, a Ghost Shrimp lifespan can be a little longer than a year. But usually not that much more that that. Ghost Shrimp are at risk of dying soon after they are added to a tank.

How big can a clown knife fish get?

Although clown knifefish are popular aquarium fish, they can grow to over 3 feet long, which might cause people to release them into local waterways. This large specimen was caught by biologist Kenneth Krysko in South Florida.

What is the smallest knife fish?

bilineatus at up to 12 cm (4.7 in) in total length. The other is M. brevis, which at up to only 5.3 cm (2.1 in) is the world’s smallest knifefish.

Do ghost knife fish need air pump?

Yes, black ghost knife fish do need an air pump. These fish consume a lot of oxygen from the water, and aerating and oxygenating the water for these fish is very important.

Are ghost knife fish eels?

They get their name from the South American native belief that the ghost of the recently deceased takes up residence with these fish. Unlike the electric eel, ghost knifefish produce a wave-like electric organ discharge (EOD), which they use for navigation and electrolocation.

Can ghost knife fish eat tropical flakes?

Feeding. Black Ghost Knife fish are omnivorous and will readily consume a variety of live foods – such as meat and worms, or flaked foods. Since they are nocturnal, these knife fish feed on their food during the night but can be trained to eat at the same time as the rest of the aquarium.