Schomburgk's leaffish

Polycentrus schomburgkii

Also known as Guyana leaffish, South American leaffish

FreshwaterFish

Care at a glance

Temperature
72–82°F
22–28°C
pH
6.0–7.5
Adult size
3.9 in
10 cm
Minimum tank
20 gal
75 L
Temperament
Mostly peaceful
Tankmates
With caution
Diet
Carnivore
Breeding
Cave spawner · Medium
Rarity
Rare
Family
Polycentridae
Origin
Native to coastal freshwaters of northern South America and Trinidad, among leaf litter and submerged roots in slow, shady water.

Overview

Schomburgk's leaffish is a small predator for a shady, planted tank. It is a step up from the easiest fish.

Did you know

A male Schomburgk's leaffish is normally drab, but he darkens almost to black when breeding. Females stay a mottled brown.

Caring for the Schomburgk's leaffish

Give a Schomburgk's leaffish a shady, planted tank of at least 20 gal (75 L), with leaf litter and wood. Keep the water at 72 to 82°F (22 to 28°C) with a pH of 6.0 to 7.5.

It is solitary and mostly peaceful, but it is a predator that will eat tiny fish and shrimp. Keep it alone or with tank mates too large to swallow. Feed live and frozen foods such as bloodworm, brine shrimp and small earthworms.

It spawns in caves or under leaves, and the male guards the eggs. Breeding it is of medium difficulty.

Good to know

Polycentrus schomburgkii belongs to the small New World leaffish family Polycentridae. It is an ambush predator that hovers motionless, then inhales small prey with a fast gulp.

In the wild

Schomburgk's leaffish is native to coastal fresh waters of northern South America and Trinidad. It drifts among roots and leaf litter in slow, shady water, looking like a dead leaf.

Common questions

What size tank does a Schomburgk's leaffish need?

A Schomburgk's leaffish needs at least 20 gal (75 L). It spends most of its time in the middle.

What temperature and pH does a Schomburgk's leaffish need?

A Schomburgk's leaffish is comfortable at 72–82°F (22–28°C) with a pH of 6.0–7.5.

What does a Schomburgk's leaffish eat?

A Schomburgk's leaffish eats live and frozen foods such as bloodworm, brine shrimp and small earthworms. It will also eat tiny fish and shrimp.

How big does a Schomburgk's leaffish get?

An adult Schomburgk's leaffish reaches about 3.9 in (10 cm).

How does a Schomburgk's leaffish breed?

Schomburgk's leaffish lays its eggs in a cave or under a leaf, where the male guards them. Breeding it is of medium difficulty.

Related species