Killifish information and facts:

Latin name: Fundulus Grandis
Type: fish
Diet: herbivore
Average lifespan: about 9 months
Size: Killifishes average from 2 to 4 in. (5-10 cm) in length
Group name: small social groups / some live in schools

Killifish are beautiful fish that are very popular among aquarists. They are also very easy to keep in aquariums. There are about 12700 different species of killifish, many of them brightly colored. Killifish are found all around the world.

Killifish video.

What does a Killifish look like?

Killifish come in a large variety of colors; they are among the most brightly colored species. Killifish are small fish with various marks. Killifish are about 2 to 4 inches (5-10 cm) long. They have slender bodies, tiny mouths, large scales and unforked tails.

Where does the Killifish live?

Killifish are found all around the world except in Antarctica and Australia. They are found in streams, ponds and salt water marches. Many of the killifish species live in areas with seasonal drought. This means that when the dry season starts the streams and puddles dry up and the adult fish die. Do not worry, their species will survive, in the rainy season the killifish eggs survive and thrive.

What does a Killifish eat?

Killifish live in various parts of the world and therefor have adjusted diets, depending on the area they are swimming in. They will feed on larvae, insects, worms, small water plants and crustaceans. Some species also feed on plankton.

Did you know about these Killifish facts?

Some killies create a nest and lay eggs there to protect it. Others simply spread their eggs on plants, while some others lay eggs inside crevices.
Most killifish are small; their size is about 2 to 3.5 inches. A few species, like the Blue Gularis grow up to six inches.
It is easy to differentiate between the sexes of killifish. Males are usually bright; they can be yellow, blue, green and red while females are in dull colors.