Fin's Fish Guide
The Ceylon killifish (Aplocheilus dayi) is a brackish-water fish of the family Aplocheilidae that grows up to 9 cm.
Description
The Ceylon killifish is a panchax (Aplocheilidae) from shallow, slow-flowing fresh water of Sri Lanka. The species grows to about 6-8 cm and has a slender, elongate body with a flat head and an upturned mouth, and glittering spots on the flank. As a surface hunter it hovers motionless just below the waterline and darts out at insects, larvae and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Ceylon killifish?
The Ceylon killifish has an elongate, eel-like body and is mainly yellow-gold.
Where does the Ceylon killifish live?
The Ceylon killifish lives in brackish water and is mostly found around open water. Asia: Sri Lanka
How big does the Ceylon killifish get?
The Ceylon killifish grows to a maximum of about 9 cm. On average the species is around 7 cm.
Is the Ceylon killifish dangerous to humans?
No, the Ceylon killifish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Aplocheilus
More from the family Aplocheilidae
Want the complete picture on the Ceylon killifish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Ceylon killifish is one of 12,519 species in the app.