Climbing Perch Care Guide

Anabas testudineus · Freshwater Fish

Climbing Perch
AI-generated illustration of Climbing Perch
Temperature
65-86°F
pH
6.0-8.0
Adult size
~19.7″ (50 cm)
Suggested tank
55+ gal
Origin
SE Asia
Family
Anabantidae

What Climbing Perch look like

The Climbing Perch (Anabas testudineus) exhibits a robust, laterally compressed body that can reach a maximum adult size of approximately 20 inches (50 cm). Its coloration is predominantly drab olive to brown, providing effective camouflage in its natural habitat. This species is characterized by a thick, sturdy, and somewhat torpedo-shaped body, which is heavily armored with bony plates, offering significant protection against predators. Notably, the pectoral fins are exceptionally developed, featuring spiky, rigid structures that allow the fish to 'walk' on land, a unique adaptation for survival in shallow, oxygen-depleted waters. The dorsal fin is long and continuous, merging with the caudal fin, while the anal fin is also elongated, contributing to its overall streamlined appearance. The presence of a lateral line system aids in detecting vibrations in the water, enhancing its sensory capabilities in murky environments.

Behavior & temperament

Anabas testudineus is primarily a solitary species, though it may exhibit social behaviors during breeding seasons. It typically inhabits the benthic zone of freshwater and brackish environments, often found in shallow waters, swamps, and rice paddies. This species is known for its remarkable ability to traverse land, using its pectoral fins to move between water bodies during droughts or low water conditions. Breeding behavior involves egg scattering, where females release eggs in shallow waters, and males guard the nest until hatching. The Climbing Perch is generally non-aggressive but can display territorial behaviors during the breeding season, particularly when defending nesting sites.

Diet & feeding

In the wild, the Climbing Perch is a carnivore, feeding on a variety of invertebrates, small fish, and detritus. In captivity, it requires a diet rich in protein, including high-quality pellets, live or frozen foods such as bloodworms, and brine shrimp to ensure optimal health and growth.

Behind the name

Anabas (from Greek 'ana' meaning 'up' and 'bainein' meaning 'to walk') refers to its ability to move on land; testudineus (from Latin 'testudo' meaning 'tortoise') alludes to its tortoise-like appearance and terrestrial locomotion.

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Climbing Perch?

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