Giant Hatchetfish

Thoracocharax securis

Family : Characidae

FishFreshwaterHatchetfish

The largest hatchetfish, reaching 8 cm, with a silver body and imposing pectoral fin.

Giant Hatchetfish — photo 1 sur 2 — Guérin Nicolas (messages) · Wikimedia Commons · CC BY-SA 3.01 / 2

Popularity

Community fish

classic in freshwater aquarium

Availability

Common in shops

Shop availability

IUCN Status

Least Concern

Biotope

South America

Hors bassin amazonien : Paraná, Orénoque, Andes.

Description

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.

Habitat

Region :

Large rivers and freshwater lakes, open areas

Distribution :

Recommended parameters

Temperature24–28 °C

pH5.5–7.5

GH2–15 °dGH

KH1–10 °dKH

NO₃

≤ 20 mg/L

PO₄

≤ 0.5 mg/L

Care

Difficulty

2/5

Diet

Carnivore

Min. tank

100 L

Min. group

Adult size

8 cm

Lifespan

5 years

Temperament

Peaceful

Propagation

Egg scatterer

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.

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