Species profile
Green Spotted Puffer
Dichotomyctere nigroviridis
Aggressive
Hard care
250 L minimum aquarium
12–17 cm adult size
Mid bottom
Can be kept singly
About this species
General notes for hobby use.
Large aggressive puffer commonly maintained with increasing salinity; GH/KH are not used as a fake substitute for salinity in this schema.
Water parameters
Suggested general range for long-term care.
Temperature
22–28 °C
pH
7.5–8.5
GH
Not yet documented
KH
Not yet documented
Flow preference
Moderate
Data confidence
Verified
Behaviour
General behaviour traits used by TanksConnected compatibility checks.
Minimum group size
Can be kept singly
Tank zone
Mid bottom
Territory level
High
Predation risk
Inverts
Bioload factor
2.5
Predatory, territorial and capable of severe fin damage. Species-only or carefully managed specialist housing is safest.
Compatibility flags
Quick cautions for common tank-planning issues.
Fin nipper
Yes / caution
Plant safe
Yes
Shrimp safe
No / caution
Snail safe
No / caution
Cave breeder
No
Digs substrate
No
Jump risk
Yes
Natural history & care
Research-backed context for long-term aquarium care.
Lifespan
Not yet documented
Diet type
Carnivore
Minimum aquarium volume
250 L
Minimum footprint
100 × 50 cm
Accepted scientific name
Dichotomyctere nigroviridis
Alternative names
Green Spotted Puffer, Spotted Green Puffer, Tetraodon nigroviridis
Native range
South and Southeast Asian coastal and lower-river systems.
Natural habitat
Euryhaline river-mouth, estuarine and connected freshwater habitats; salinity exposure changes through habitat and life history.
Diet & feeding
Feed hard-shelled molluscs/crustaceans and varied meaty foods; regular shell-crushing opportunities help manage continuously growing teeth.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
No dependable external sexing method is established for ordinary aquarium fish.
Breeding
Reliable home-aquarium breeding is rare and poorly documented compared with routine keeping.