falcatus, Xiphoramphus falcatus, Xiphorhynchus falcatus
PD: A somewhat elongated fish that has a large mouth and eyes. Its body is silver in color.
The dorsal fin is located far back on the body and stands tall. Its tail is forked and has a large black spot at
its base. The other fins are transparent. Sometimes a black horizontal line, that runs from the eye to the tail
SIZE: To 10" (25 cm)
SS: Other Acestrorhynchus
HAB: South America; found in the Amazon Basin and the Paraguay River watershed.
S: middle, top
TANK: 48" (122 cm) or 55 gallons (209 L) is minimal.
The tank should be spacious with plenty
of open swimming areas.
Provide a cover of floating plants to dim the lighting.
Use a tight-fitting cover as this fish
is known to jump.
The tank should be heavily planted.
WATER: pH 5.8-7.5 (6.9), 4-15 dH (10), 79-86°F (26-30°C)
SB: Will eat smaller fish. A schooling fish that should be either keep singly or in groups
of 6 or more. If kept in groups of 2-5 fish, fighting will occur.
SC: Pimelodids, large Loricarids, Pacus, Piranhas, Silver Dollars, Arawana
FOOD: Live: mostly fish; earthworms, aquatic insects, Tubifex; pellets; chopped meat.
SEX: Females are plumper.
B: Unsuccessful in captivity
This fish has not been bred in captivity.
R: Little is known about these fish, even though they are frequently sold in aquarium stores.
Acestrorhynchus nasutus '
is distinguishable from
by its more slender body and the absence of a black spot behind the gill cover.
species is often referred to as a “Freshwater Barracuda” because of its body form, not because of any relationship
to the true marine Barracuda.
An important food fish in South America.
A large and aggressive fish that requires a diet including live foods.
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