Climbing Perch
Anabas testudineus
Climbing Perch (Anabas testudineus) — Varies care, Peaceful, under Other. Minimum tank in the app: 40 US gal min; aim for 59–86°F and pH 6.5–7.5. The Climbing Perch is an intriguing choice for aquarists seeking an adaptable and resilient species, known for its unique ability to traverse land and its varied temperament.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Asia
- East & Southeast Asia
Regional colours match the stocking calculator’s origin map.
Climbing Perch Tank Setup
Create a balanced environment that provides both open swimming areas and plenty of hiding spots with aquatic plants or rock formations. Maintain moderate water flow to simulate their natural habitat while ensuring ample surface area for air exchange. Use a substrate that allows for burrowing and consider subdued lighting to mimic their native conditions, promoting a sense of security.
What Do Climbing Perchs Eat?
Climbing Perch are opportunistic feeders and will compete for food if not provided in sufficient quantities. They may exhibit rapid feeding behavior, particularly if they perceive food as scarce, which can lead to aggressive interactions.
Climbing Perch Tank Mates
Ideal companions for Climbing Perch include other semi-aggressive fish of similar size that occupy different swimming zones or have compatible temperaments, such as larger barbs or certain cichlids. Be cautious with smaller, more timid species that could become targets during territorial disputes. Intraspecies interactions can be contentious; providing multiple territories and hiding spots can help mitigate aggression among them.
Are Climbing Perchs Good for Beginners?
Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the space requirements and territorial needs of Climbing Perch, leading to overcrowding and increased stress. failing to provide sufficient cover or suitable tank mates can result in aggression and health issues.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




