


Species Profile
Figure 8 Puffer
Dichotomyctere ocellatus
Also known as: Eyespot Puffer
Pufferssemi-aggressive
Adult size
3″
Minimum tank
20 gal
Temperature
75–82°F
pH
7.5–8.5
Schooling
Solitary OK
Water level
mid
Grows from juvenile
Typically sold at ~1″ and reaches 3″ over ~10 months. Plan tank size for the adult, not the fish at purchase.Diet
Snails, frozen krill, mysis, clams, needs hard-shelled prey to wear teeth down
Notes
Brackish puffer that needs low-salt water (specific gravity 1.005-1.010), not pure freshwater despite store labels. Compact 3″ adult. Famous figure-8 patterns on the back. Best in species-only tanks.
Compatible Tankmates
Best tank mates for Figure 8 Puffer
Every species below passes the compatibility engine when paired with Figure 8 Pufferin 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.

Green Spotted Puffer
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

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

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

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

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

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

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

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

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

Colombian Shark Catfish
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

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

Green Chromide
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: ColdmachineUK / Wikimedia Commons · Source · CC-BY-2.5