Marbled Archer Fish
Marbled Archerfish (Toxotes siamensis) – Precision Predator of the Mangroves
Overview:
The Marbled Archerfish is a unique and fascinating brackish water species known for its remarkable hunting technique: shooting jets of water to knock down insects from overhanging vegetation. Native to Southeast Asia's coastal rivers and mangroves, Toxotes siamensis is a highly intelligent and active fish that makes a standout addition to advanced aquarists' collections.
? Species Details:
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Scientific Name: Toxotes siamensis
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Common Name: Marbled Archerfish
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Origin: Southeast Asia (Thailand, Cambodia, Vietnam)
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Adult Size: Up to 15 cm (6 inches)
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Temperament: Peaceful, but predatory toward smaller fish/insects
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Diet: Carnivorous (live/frozen insects, small crustaceans, pellets)
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Lifespan: 5–10 years with proper care
? Aquarium Requirements:
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Tank Size: Minimum 55 gallons (larger for groups)
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Water Type: Brackish (SG 1.005–1.015), can tolerate freshwater short-term
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Temperature: 24–28°C (75–82°F)
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pH Range: 7.0–8.0
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Tank Setup: Open swimming space, floating plants, tight lid (they jump!)
? Key Features:
✅ Famous for water-shooting hunting behavior
✅ Stunning marbled pattern with silvery sheen
✅ Schooling species – best kept in small groups (3–5+)
✅ Adaptable and hardy with proper water conditions
⚠️ Care Note:
Marbled Archerfish thrive in brackish conditions and are best kept by experienced aquarists familiar with maintaining stable salinity. They require a secure lid and open-top area to practice their natural hunting behavior.
Size is about 2.5-3".
Max size:12"
Minimum tank: 55-75gal
