Can amano shrimp live with black ghost knives?

Verdict
No

No. Amano shrimp and black ghost knives should not share a tank. Black ghost knives hunt shrimp. Adult amano shrimp will be eaten.

Amano shrimpAmano shrimp70–80°F · pH 6.5–7.5 Black ghost knifeBlack ghost knife73–82°F · pH 6–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–80°Amano shrimp 70–80°Black ghost knife 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Amano shrimp 6.5–7.5Black ghost knife 6–8
The green band is the pH both tolerate.

Size to scale

Amano shrimp · 2 inBlack ghost knife · 15 in0"2"4"6"8"10"12"14"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Amano shrimpBlack ghost knife
Temperature70–80 °F73–82 °F
pH6.5–7.56–8
Adult size2.0 in15.0 in
Minimum tank10 gal125 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomBottom
GroupGroups of 3+One per tank
DietOmnivoreCarnivore

Better tank mates for amano shrimp

All amano shrimp tank mates

Better tank mates for black ghost knives

All black ghost knife tank mates

Questions

Can amano shrimp live with black ghost knives?

No. Amano shrimp and black ghost knives should not share a tank. Black ghost knives hunt shrimp. Adult amano shrimp will be eaten.

What temperature suits both amano shrimp and black ghost knives?

73–80 °F. Amano shrimp need 70–80 °F, black ghost knives need 73–82 °F.

What size tank do amano shrimp and black ghost knives need together?

At least 125 gal, set by the black ghost knife. Add space for each extra fish.