Species profile
Crystal Red Shrimp
Caridina logemanni
Peaceful
Hard care
30 L minimum aquarium
2–3 cm adult size
Bottom all
Minimum group: 10
About this species
General notes for hobby use.
Taxonomy updated from the older aquarium catch-all Caridina cf. cantonensis to Caridina logemanni for the Crystal Red/bee-shrimp lineage.
Water parameters
Suggested general range for long-term care.
Temperature
18–24 °C
pH
5.8–6.8
GH
4–6 dGH
KH
0–2 dKH
Flow preference
Low–moderate
Data confidence
Verified
Behaviour
General behaviour traits used by TanksConnected compatibility checks.
Minimum group size
Minimum group: 10
Tank zone
Bottom all
Territory level
None
Predation risk
None
Bioload factor
0.1
Peaceful colony shrimp; best in groups of ten or more and vulnerable to most fish.
Compatibility flags
Quick cautions for common tank-planning issues.
Fin nipper
No
Plant safe
Yes
Shrimp safe
Yes
Snail safe
Yes
Cave breeder
No
Digs substrate
No
Jump risk
Low
Natural history & care
Research-backed context for long-term aquarium care.
Lifespan
Not yet documented
Diet type
Omnivore
Minimum aquarium volume
30 L
Minimum footprint
30 × 20 cm
Accepted scientific name
Caridina logemanni
Alternative names
Crystal Red Shrimp, Red Bee Shrimp, Caridina cf. cantonensis (historic aquarium usage)
Native range
Domestic red/white aquarium form derived from the southern Chinese/Hong Kong bee-shrimp lineage described as Caridina logemanni.
Natural habitat
Mature, cool, soft and acidic freshwater with stable low mineral load, moss/biofilm surfaces and gentle filtration.
Diet & feeding
Biofilm/algae/detritus grazer; supplement sparingly with complete shrimp foods, vegetable matter and occasional protein.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Females are larger and more rounded, often showing a saddle/eggs; males are slimmer.
Breeding
Direct freshwater developer. Females carry eggs under the abdomen and release miniature fully formed shrimp.