A popular North American gamefish and temperate aquarium species. Yellow Perch are active, shoaling predators recognized by their brass-colored bodies and dark vertical bars. They require large, well-filtered coldwater setups and will eagerly consume any tankmate that fits in their mouth.
Yellow Perch At a Glance
Yellow Perch Tank Requirements
Will Yellow Perch fit in your tank?
Care guides tell you what Yellow Perch needs, the next question is whether your tank can safely provide it. Test Yellow Perch against your tank size, maintenance needs, and the fish you already keep before you buy.
Yellow Perch Water Parameters
Yellow Perch Temperament & Compatibility
Yellow Perch Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard / Adult
Adult Yellow Perch. Highly predatory to smaller fish and requires a large coldwater aquarium. Best kept in small groups with similarly sized or larger temperate species.
Same care requirements as the base species
Also known as: Adult Yellow Perch, Full Grown
Juvenile (Grow-out)
Fingerling Yellow Perch. Can be temporarily housed in smaller aquariums, but will grow rapidly and require an adult-sized tank within the first year.
Differs in 5 traits from base species
Also known as: Baby Perch, Fingerling, Juvenile
Yellow Perch Care Guide Summary
The Yellow Perch, scientifically known as Perca flavescens, belongs to the Other family group. Adults reach a maximum size of approximately 25 cm and have a fusiform body shape with a moderate growth rate. Classified as semi-aggressive, this species primarily occupies the mid-level and bottom zones of the aquarium and produces a high level of biological waste.
To thrive, the Yellow Perch requires a freshwater only aquarium with a minimum volume of 280 litres and a tank length of at least 120 cm. Water temperature should be maintained between 10°C and 24°C, with a pH range of 6.5–8.5 and a general hardness of 5–20 dGH. A moderate water flow is preferred.
The Yellow Perch is a rewarding species to keep, provided its core environmental needs are met. This species is available in 2 varieties: Standard / Adult and Juvenile (Grow-out). Each may differ slightly in size, temperament, or care needs, so it is worth checking the specific requirements of the variety you plan to keep.
Yellow Perch Habitat Setup
When setting up an aquarium for the Yellow Perch, a moderate water flow best suits their natural preferences. Because this species occupies the mid-level and bottom zones, the aquarium layout should prioritise open swimming space in the centre of the tank for free movement and sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour and dense planting to provide cover, break sightlines, and reduce stress.
Yellow Perch Compatibility Notes
Classified as semi-aggressive, the Yellow Perch is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, any fish small enough to fit in its mouth will likely be eaten, ornamental shrimp are not safe companions, and their energetic swimming style may stress more sedentary or timid species. Selecting tankmates that favour different water layers from the mid-level and bottom zones can help reduce competition and territorial overlap.
Who Yellow Perch Is Actually For
Yellow Perch is best for a fishkeeper who wants a species that can settle into a calmer community setup and can provide a keeper who can commit to a proper group of at least 3. It makes the most sense for a hobbyist who will actually build around its needs, especially sand.
The most common mistake is treating Yellow Perch like any other community fish and skipping the soft sand it needs to forage safely. Another frequent problem is underestimating its social needs. A token pair or trio often behaves very differently from a real group.
Yellow Perch Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Yellow Perch.
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
Show 1 more tank size
Yellow Perch Feeding & Diet Considerations
The Yellow Perch is a predatory species that will readily consume small fish, so nano or bite-sized tankmates should be avoided, will hunt and eat ornamental shrimp, making it unsuitable for shrimp-focused setups, and will eat fry, so breeding efforts in the same tank are unlikely to succeed.
Frequently Asked Questions About Yellow Perch
How big does Yellow Perch get?
Yellow Perch (Perca flavescens) typically reaches a maximum adult size of approximately 25 cm. They have a fusiform body shape and a moderate growth rate.
What tank size does Yellow Perch need?
A minimum aquarium volume of 280 litres and a tank length of at least 120 cm are recommended for Yellow Perch. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Yellow Perch need?
Yellow Perch thrives in freshwater only conditions with a temperature range of 10–24°C, a pH between 6.5 and 8.5, and a general hardness of 5–20 dGH. A moderate water flow is preferred.
Is Yellow Perch peaceful or aggressive?
Yellow Perch is classified as semi-aggressive with an aggression score of 6 out of 10. They can work in community setups but may clash with certain tankmates.
Can Yellow Perch live alone?
Yes, Yellow Perch can be kept singly or in a group. They are flexible and adapt well to both setups.
Is Yellow Perch safe with shrimp?
No. Yellow Perch is known to eat ornamental shrimp and is not recommended for shrimp tanks. Even larger shrimp species like Amano Shrimp may be at risk.
Does Yellow Perch have any special tank requirements?
Yes. Yellow Perch benefits from sand (sifters) and plants - densely covered in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Useful setup supplies
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 11, 2026
- Last updated
- May 11, 2026
- Issues or corrections?
- Contact the editorial team
Plants That Suit Yellow Perch
These plants pair well with Yellow Perch based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
Afzel's Anubias
Anubias afzelii
Amazon Sword
Echinodorus amazonicus
Anacharis
Egeria densa
Anubias Barteri
Anubias barteri
Baby Tears
Lindernia rotundifolia
Balansae
Cryptocoryne crispatula
Fish Similar to Yellow Perch
Rainbow Shark
Epalzeorhynchos frenatum
A popular, active freshwater 'shark' (actually a cyprinid) known for its striking red fins contrasting with a dark or albino body. They are highly territorial bottom-dwellers. Only keep one per tank, as they are notoriously aggressive toward their own kind, other 'sharks' (like the Red Tail Shark), and similar-looking bottom feeders.
Yellow Convict
Cryptoheros nanoluteus
A stunning and relatively peaceful dwarf Central American cichlid. Unlike the common Convict Cichlid, the Yellow Convict has a vibrant golden-yellow body with a blue/green sheen. While generally suitable for robust community tanks, they become highly territorial when spawning and will dig pits in the substrate to protect their fry.
Redbreast Sunfish
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A colorful, North American native freshwater fish known for its bright orange-red belly and an elongated, solid black opercular flap ('ear'). As a temperate species, they thrive in unheated aquariums. They are aggressive, territorial predators that will dig nests in the substrate and consume any tank mate small enough to fit in their mouths.
Barred Rainbowfish
Chilatherina fasciata
A robust, active, and highly colorful schooling fish native to the clear, fast-flowing streams of New Guinea. They are named for the distinctive vertical black bars on their lower flanks. As highly active swimmers that do best in hard, alkaline water, they require a spacious, long aquarium (minimum 4 feet) with strong oxygenation and plenty of open swimming space.
Yellow Shrimp
Neocaridina davidi var. yellow
A bright yellow color morph of the extremely popular and hardy Neocaridina dwarf shrimp. They are completely peaceful scavengers that excel at cleaning up uneaten food and biofilm. They reproduce readily in freshwater aquariums but are highly vulnerable to predation by most fish. They thrive in colonies and should be kept in groups.
Lemon Tetra
Hyphessobrycon pulchripinnis
A peaceful, deep-bodied schooling tetra known for its translucent yellow coloration and striking black and yellow fins. They are robust and active, making them an excellent choice for planted community aquariums. Their colors intensify significantly in a well-established tank with a dark substrate and proper schooling numbers.