How Big Do Ghost Shrimp Get? Size vs Amano Shrimp
Published: 2026-10-20 · FishyKart Blog
Ghost shrimp reach just 2.5-4 cm (1-1.5 inches) at full size - small enough to be genuinely at risk from larger tank mates, and small enough that they're frequently confused with the noticeably bigger Amano shrimp sold alongside them in many shops.
Ghost Shrimp vs Amano Shrimp Size
| Species | Adult size | Body |
|---|---|---|
| Ghost Shrimp | 2.5-4 cm | Nearly transparent |
| Amano Shrimp | 5-6 cm | Speckled, more opaque |
Size alone is usually enough to tell them apart at a glance, and transparency is the reliable backup - a see-through shrimp is Ghost, a visibly speckled one at nearly double the length is Amano.
Growth Timeline
Ghost shrimp reach full size within a few months of purchase, growing through a series of molts along the way (see the care guide for what to expect during molting). Growth rate depends on diet and water quality rather than being fixed to a strict schedule.
Why Their Small Size Matters for Tank Mates
At under 4 cm, ghost shrimp are within easy predation range of most community fish larger than a nano species. This isn't a reason to avoid keeping them - it's a reason to be deliberate about tank mates, sticking to peaceful fish too large or uninterested to see them as food.
Buy Ghost Shrimp Online
Stocking a nano tank with appropriately-sized tank mates? FishyKart's Ghost Shrimp are true aquarium stock, not bulk feeders.