Arena Terrarium S

• Dimensions: 8×5×4 cm
• Tubing ports: 2 — one 8 mm, one 10 mm — connects to all ANTonTOP modular nests and most standard formicarium tubing
• Construction: airtight acrylic — no gaps, no loose lids
• Ventilation: laser-cut micro-perforations — airflow without escape risk for tiny species
• Material: layered acrylic, stainless steel screws
• Made in Poland

Standard modular arenas have lockable lids that are secure for most species — but not for very small or highly escape-prone ants. Species like Pharaoh ants (workers 1.5–2 mm), Solenopsis fugax, Plagiolepis, and similar tiny species can squeeze through any gap that a larger ant would not attempt. The Terrarium S is built airtight: the acrylic panels seal completely, and the only openings are the micro-perforation ventilation and the tube ports, which are sized so that normal-speed workers enter via connected tubes rather than pushing through gaps. If you keep tiny ants, this is the arena that actually works.

Connect the Terrarium S to your nest using an 8 mm or 10 mm tube. Place small food items — insect pieces, sugar water droplets, seeds — directly inside. The compact size means the colony can locate and retrieve food efficiently without long foraging trails. The Terrarium S also works well as an intermediate chamber between a test tube setup and a larger arena, or as a feeding station attached to a bigger terrarium.

The Terrarium S connects to all ANTonTOP modular nests, the Arena Terrarium range, and standard test tube setups via the dual port system. It can also be paired with any formicarium that uses 8 mm or 10 mm tubing.

Due to its small size, substrate use is minimal — a thin layer of decorative sand or a small piece of cork is enough. Keep the interior clean to avoid contamination in the confined space.

• Airtight acrylic construction — no lid gaps
• Laser-cut micro-perforations — ventilation only, no passage for tiny ants
• 8 mm and 10 mm tube ports — colony enters and exits through connected tubes

For the most escape-prone species, apply a thin layer of fluon or mineral oil inside the tube port entrances as an additional barrier.

• Arena Terrarium S — 8×5×4 cm

Ants not included — see antontop.com/ants/. Sand at antontop.com/sand/.

Ships from Poland across Europe. All parts replaceable — contact us if anything arrives damaged. Videos at youtube.com/@AntOnTop.

Is this safe for Pharaoh ants?
Yes — the airtight construction and micro-perforation ventilation make it one of the few arenas that reliably contains Pharaoh ants and other 1.5–2 mm species.

Can I use it without connecting to a nest?
You can use it as a standalone feeding dish by plugging the tube ports, but it is designed to work as part of a connected setup.

What is the difference between Terrarium S and the modular Arena 10×10?
The Arena 10×10 is a modular foraging space with lockable lid entrances — good for most species but not airtight. The Terrarium S is fully sealed and specifically designed for tiny or highly escape-prone species.