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FishintermediateBrackish

Archerfish

Toxotes jaculatrix

AnimaliaChordataActinopterygiiToxotidae

📍 India, Southeast Asia & Australia (estuaries)

Ask Finn

Famous for shooting precisely aimed jets of water to knock insects off overhanging vegetation. Requires a brackish tank with at least 12 inches of air space above the water. Fascinating behaviour.

Size10"
Min Tank55g
School3+
semi-aggressive
Zonetop

Care Guide

Diet

Archerfish are strict carnivores that primarily hunt live insects and small arthropods. Feed live insects such as crickets, grasshoppers, flies, and mosquito larvae 2-3 times weekly. They can be trained to accept frozen bloodworms and small frozen shrimp, but live prey is essential for maintaining their natural hunting behavior and overall health.

Behavior

Archerfish are famous for their remarkable ability to shoot precise jets of water at insects above the waterline, knocking them into the water to feed. They are semi-aggressive and territorial, particularly toward their own species, making schooling of 3+ individuals necessary to distribute aggression. They are active hunters that spend much time at the water's surface, requiring adequate air space above the tank.

Breeding

Breeding archerfish in captivity is extremely rare and difficult, with very few successful cases documented in home aquariums. They require specific environmental triggers and large tank space to spawn. Most captive archerfish are wild-caught, and breeding is best left to experienced breeders with specialized facilities.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, rapid breathing, flashing against surfaces

Treatment

Raise temperature to 28-30°C, perform 25% water changes, use aquarium salt (1 tsp per gallon) or ich medication; maintain brackish conditions

Bacterial Fin Rot

Symptoms

Frayed or deteriorating fins, discoloration at fin edges, lethargy

Treatment

Improve water quality with frequent partial changes, reduce stress, use antibiotic medication if severe; maintain proper salinity and temperature

Parasitic Infections

Symptoms

Excessive scratching, visible parasites, weight loss, clamped fins

Treatment

Quarantine affected fish, use brackish water dips, treat with anti-parasitic medication; maintain optimal water parameters

Dropsy

Symptoms

Bloated appearance, scales standing out, lethargy, loss of appetite

Treatment

Isolate in hospital tank, perform frequent water changes, feed high-quality foods; may indicate poor water quality or bacterial infection

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Quick Facts

pH
7.0–8.0
diet
insects/carnivore
maxSize
10 inches
salinity
SG 1.005–1.010
minTankSize
55 gallons
temperature
77–86°F (25–30°C)

Temperature

77–86°F

25–30°C

Stats

Community tips0
Kept by0 hobbyists