Giant Hatchetfish
Thoracocharax securis
FishFreshwater
Thoracocharax securis grows up to 8 cm. Its body is very deep and compressed, with an extremely developed pectoral fin. It is silver with bluish reflections. It is a schooling fish. It feeds on insects and small fish. In the aquarium, it is peaceful but requires a large swimming space. It jumps easily. Its growth is fast.
Recommended parameters
| Parameter | Recommended range |
|---|---|
| Temperature | 24–28 |
| pH | 5.5–7.5 |
| GH | 2–15 |
| KH | 1–10 |
| NO₃ | ≤ 20 |
| PO₄ | ≤ 0.5 |
Care
Difficulty2/5
Dietcarnivore
Min. tank100 L
Min. group6
Adult size8 cm
Lifespan5 ans
TemperamentPeaceful
Care notes
School of at least 6 individuals. Aquarium of at least 100L. Parameters: pH 5.5-7.5, GH 2-15, KH 1-10, temperature 24-28°C. Diet: flakes, pellets, brine shrimp, bloodworms. Nitrates max 20 mg/L. Tight cover mandatory. Floating plants and open areas. Compatible with peaceful medium-sized fish. Avoid very small species.