


Species Profile
Marbled Hatchetfish
Carnegiella strigata
Hatchetfishpeaceful
Adult size
1.5″
Minimum tank
15 gal
Temperature
75–82°F
pH
5.5–7
Schooling
Group of 6+
Water level
top
Diet
Floating flake, micro pellets, surface foods
Notes
Living missile that swims permanently at the surface, ready to launch itself out of the water at the slightest disturbance. Tight-fitting lid is mandatory. Catches flying insects in the wild; floating live foods bring out their best behavior.
Compatible Tankmates
Best tank mates for Marbled Hatchetfish
Every species below passes the compatibility engine when paired with Marbled Hatchetfishin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Neon Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Cardinal Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Rummynose Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Harlequin Rasbora
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Celestial Pearl Danio
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Fancy Guppy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Endler's Livebearer
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Platy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Male Betta
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Dwarf Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Honey Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

German Blue Ram
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Dawson / Wikimedia Commons · Source · CC-BY-SA-2.5