Physical description: The butterfly fish is bird-shaped with a flat dorsal surface.
The wing-like pectoral fins are very
large when compared with overall body size.
The large mouth points toward the surface. The base body color is brown
with an irregular pattern of white and black spots and stripes.
Size/Length: 4" (10 cm)
Similar species: None
Habitat: Slow and still moving water with dense shore vegetation in West Africa; Nigeria, Cameroon,
Aquarium: A 30" (76 cm) or 20-25 gallon (95 L) tank is sufficient.
Use a cover of floating plants and dim
The tank should be arranged in dark colors and heavily planted.
There should be 4-6" (10-15 cm) of space
left between the surface and the tank lid.
A tight-fitting cover is required for this species which prefers a
shallow tank with a large surface area.
Water chemistry: pH 6-7.5 (6.5); 2-10 dH (3); 75-86°F (24-30°C)
Social behavior: This species should only be kept with larger, peaceful fish of the lower swimming levels.
species may be aggressive towards others of its
own species, and is perhaps best kept singly.
Suggested companions: Medium sized Mormyrids, African Knifefish, large Congo Tetras,
Synodontis, African tetras, West African
FOOD: Small fish; insects; flies, spiders, crickets, meal worms; mosquito larvae; brine
shrimp; acclimated specimen may accept flakes
Sexual differences: The male has an anal fin with a curved, even cleft, edge; while the female has straight-edged
Breeding techniques: The tank should have a pH of 6.5, a water hardness from 8-10 dH, and a temperature from
Adding peat to the filter and feeding the pair a variety of food will help initiate spawning.
to seven eggs are deposited at each pairing.
The eggs float to the surface where they turn black after 10 hours.
fish will spawn a total of 100-250 eggs. Transfer the eggs to a breeding tank.
The fry hatch after 36-42 hours and
are very difficult to raise. The fry will not chase food, but only eat what passes directly in front of them.
Breeding potential: 8.
This species is difficult to breed, and the young are even harder to raise.
REMARKS: A crepuscular species that is active mostly at dusk.
The Butterfly fish is well-known for
its ability to glide for short distances through the air.
When startled this species may leap against the
Difficulty of care: 6.
This species requires frequent partial water changes and a diet including live foods.
Butterfly fish will eat smaller companions and is intolerant of other surface fish.
Due to its leaping ability, this species
must be kept in
tank having a tight-fitting cover.
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