Aquariumpro
πŸ”
← Back to species
FishFreshwaterAdvancedAggressive

Bullseye Snakehead

Channa marulius

Also known as: Great snakehead

A true apex predator that can grow longer than most people are tall.

Bullseye Snakehead
1 / 15
CC BY-SA 3.0

About

The bullseye snakehead (Channa marulius) is one of the largest members of the snakehead family, capable of reaching genuinely enormous proportions in the wild. Native to a broad sweep of southern Asia from Pakistan and India through to China, Thailand, and Cambodia, it haunts sluggish canals, swamps, lakes, and flooded forests, preferring deep, vegetated water where it can ambush prey. The diet reflects its status as a top predator. Fish, frogs, tadpoles, insects, earthworms, and snakes are all fair game, and larger specimens have been known to take birds and small mammals. Like all channids, it breathes atmospheric air using specialized suprabranchial chambers, and in an aquarium you will regularly see it surfacing for gulps of air. The caudal ocellus, a dark eyespot on the tail, is one of the more reliable identification markers in adults, though it fades or disappears in some regional populations. Juveniles are reasonably tolerant of their own kind, but adults become strongly territorial and aggressive, so a dedicated species setup is the practical approach. Despite a beginner care rating, the sheer size requirements make this fish a serious long-term commitment rather than a casual purchase, and it should only go to keepers who have planned accordingly.

Frequently asked questions

How big does the Bullseye Snakehead get?
The Bullseye Snakehead reaches about 19.5–72" as an adult.
What size tank does the Bullseye Snakehead need?
A minimum of 350 gallons is recommended for the Bullseye Snakehead.
What water parameters does the Bullseye Snakehead need?
The Bullseye Snakehead does best with a temperature of 59–82Β°F, a pH of 6–8, hardness around 2–20 dGH.
Is the Bullseye Snakehead aggressive?
The Bullseye Snakehead is aggressive and is best kept alone or with robust tankmates that can hold their own.
What does the Bullseye Snakehead eat?
The Bullseye Snakehead is a carnivore. It needs a meaty, protein-rich diet of frozen or live foods.
How long does the Bullseye Snakehead live?
With good care, the Bullseye Snakehead typically lives 5-10 years.