Killifish (Aplocheilus panchax) is an attractive freshwater fish known for its elongated body, shimmering scales, and distinctive coloration near the head. It is an active surface-dwelling fish suitable for well-maintained aquariums with a secure lid.
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Killifish (Aplocheilus panchax) is an attractive freshwater fish known for its elongated body, shimmering scales, and distinctive coloration near the head. It is an active surface-dwelling fish suitable for well-maintained aquariums with a secure lid.
Elongated body with silvery coloration, subtle iridescence, and a characteristic bluish or reflective spot near the upper part of the head.
2–4 years
Carnivore; prefers small insects, insect larvae, and other suitable protein-rich foods
Aplocheilus panchax is an interesting choice for aquarists who want an active surface-dwelling fish. A secure lid, suitable tank mates, and a varied diet are important for long-term care.
Easy to moderate
15 gallons
6.5–8.0
Soft to moderately hard
22–28°C
8–10 cm
Similarly sized peaceful fish that occupy different aquarium levels and are too large to be swallowed.
Very small fish, tiny fry, aggressive fish, and species that may nip fins.
Aplocheilus panchax
Aplocheilidae
South and Southeast Asia
Can be kept individually or in compatible groups with sufficient space and suitable tank mates.
Offer quality carnivorous fish pellets or flakes alongside suitable frozen or live foods such as mosquito larvae, daphnia, and brine shrimp. Feed small portions once or twice daily.
Egg-layer
An egg-laying species that deposits adhesive eggs among fine-leaved plants or spawning mops. Eggs hatch after an incubation period that varies with temperature and conditions.
Maintain clean, well-oxygenated freshwater with stable parameters and regular partial water changes.
Ich, bacterial infections, parasitic infections, and stress-related problems associated with poor water quality.
Generally peaceful toward similarly sized fish; may prey on smaller fish and fry
Active surface swimmer that spends much of its time near the waterline. It may hunt small fish and invertebrates that fit in its mouth.
Aplocheilus panchax, commonly known as Blue Panchax, is a freshwater surface-dwelling fish found across parts of South and Southeast Asia. It is an active predator of small insects and other tiny organisms near the water surface. Provide floating plants, open swimming space, stable water conditions, and a tightly fitted aquarium lid to prevent jumping.