Lyon’s Cichlid (Amphilophus lyonsi) Upsized 3″ for Sale in Canada

The Lyon’s Cichlid (Amphilophus lyonsi) 3″ Upsized is a fascinating Central American cichlid for aquarists who enjoy uncommon, robust, and character-filled freshwater species. At approximately 3 inches, this upsized specimen is past the very small juvenile stage and offers hobbyists an opportunity to observe its body development, coloration, and personality as it continues maturing.

Known for its substantial body shape and typical Amphilophus personality, Lyon’s Cichlid is best suited to aquarists who understand the territorial nature of Central American cichlids. Monster Aquarium Canada specializes in rare and specialty freshwater fish for Canadian hobbyists and collectors.

Lyon’s Cichlid Species Information

Scientific Name

Amphilophus lyonsi

Common Names

• Lyon’s Cichlid
• Lyonsi Cichlid
• Lyons Cichlid
• Amphilophus lyonsi
• Lyon’s Cichlid Fish
• Lyon’s Cichlid for Sale

Origin

Amphilophus lyonsi is a Central American freshwater cichlid associated with the Pacific slope of Central America. Its natural habitats include freshwater environments where rocky structure, submerged wood, vegetation, and open swimming areas provide opportunities for feeding, shelter, and territory establishment.

Appearance

The Lyon’s Cichlid develops a strong, substantial body as it matures. A 3-inch specimen can already begin showing the body proportions and developing coloration that make this group of cichlids popular with collectors.

Coloration can vary considerably according to the individual and may change with:

• Age
• Genetics
• Mood
• Dominance
• Diet
• Water quality
• Lighting
• Breeding condition

As the fish grows, its body, fins, and facial features become more pronounced.

Why Choose a 3″ Upsized Lyon’s Cichlid?

A 3-inch upsized specimen is appealing to hobbyists who want a fish that has already progressed beyond the smallest juvenile stage.

Key Highlights

• Approximately 3 inches
• Upsized specimen
• Scientific name: Amphilophus lyonsi
• Uncommon Central American cichlid
• Strong personality
• Attractive developing coloration
• Robust body shape
• Excellent collector species
• Interesting territorial behavior
• Suitable for experienced cichlid keepers

Aquarium Setup

The Lyon’s Cichlid should be housed in a spacious aquarium with plenty of room for swimming and territory establishment.

Recommended Tank Size

For an adult specimen, a 75-gallon aquarium or larger is a practical starting point for a single fish, with a larger aquarium strongly recommended for pairs or community arrangements.

Because Amphilophus species can become territorial, aquarium footprint and structure are particularly important.

Substrate

Use sand or smooth gravel. Avoid sharp substrate that could injure the fish as it explores, digs, or rearranges the aquarium.

Decorations

A suitable aquascape can include:

• Large rocks
• Driftwood
• Caves
• Rocky structures
• Aquarium-safe decorations
• Hardy plants
• Open swimming areas
• Visual barriers

Secure heavy decorations firmly because larger cichlids can move objects while digging or establishing territories.

Water Parameters

Provide stable, clean tropical freshwater.

Suggested parameters:

• Temperature: 24–28°C
• pH: approximately 7.0–8.0
• Ammonia: 0 ppm
• Nitrite: 0 ppm
• Nitrate: controlled through regular water changes
• Strong oxygenation
• Good water circulation

Avoid sudden changes in temperature or water chemistry.

Diet and Feeding

A varied, high-quality diet is important for growing Lyon’s Cichlids.

Suitable foods include:

• High-quality cichlid pellets
• NorthFin Cichlid
• NorthFin Jumbo Fish as the fish grows
• Insect-based foods
• Krill
• Frozen foods
• Shrimp-based foods
• Other quality omnivorous cichlid preparations

At 3 inches, food should be appropriately sized to prevent choking and unnecessary waste.

Feed moderate portions and avoid overfeeding. Excess food can contribute to poor water quality and unnecessary waste production.

Temperament and Behavior

Lyon’s Cichlid should be considered a territorial Central American cichlid. Although a 3-inch specimen may still appear relatively manageable, its behavior can become more assertive as it matures.

Territorial behavior can increase when:

• The fish becomes sexually mature
• A pair forms
• Spawning begins
• Aquarium space is limited
• Other fish invade its territory

Tank Mates

Tank mates should be selected carefully.

Avoid very small, delicate, or extremely peaceful fish that may be stressed by a territorial cichlid.

If keeping multiple cichlids together, provide:

• A large aquarium
• Multiple territories
• Rockwork
• Caves
• Visual barriers
• Plenty of open swimming space

Individual temperament always varies, so compatibility cannot be guaranteed.

Growth and Color Development

One of the benefits of purchasing a 3-inch upsized Lyon’s Cichlid is the opportunity to watch the fish develop toward adulthood.

As it matures, expect potential changes in:

• Body depth
• Overall size
• Fin development
• Facial structure
• Color intensity
• Patterning
• Territorial behavior

Good nutrition, stable water parameters, and sufficient space can support healthy development.

Filtration and Aquarium Maintenance

Larger Amphilophus cichlids can produce substantial waste, making strong filtration important.

Consider using:

• Large canister filtration
• Oversized biological filtration
• Mechanical filtration
• Pre-filter sponges
• Strong water movement
• Supplemental aeration

Regular partial water changes should be part of the maintenance routine.

Monitor ammonia, nitrite, and nitrate regularly, particularly as the fish grows and its biological waste production increases.

Breeding Lyon’s Cichlids

A mature compatible pair may become significantly more territorial when breeding.

If breeding is a goal, provide potential spawning surfaces such as:

• Flat rocks
• Caves
• Large pieces of driftwood
• Secure aquarium decorations

Once a pair begins spawning, parents may defend eggs and fry aggressively.

A dedicated breeding aquarium is often easier to manage than attempting to breed territorial cichlids in a busy community aquarium.

Buy Lyon’s Cichlid 3″ Upsized in Canada

Looking for a Lyon’s Cichlid 3-inch upsized for sale in Canada? Monster Aquarium Canada specializes in unusual freshwater fish for Canadian aquarium keepers and collectors.

This 3-inch upsized Amphilophus lyonsi is an excellent option for hobbyists who want to raise an uncommon Central American cichlid while still being able to observe significant growth and development.

Whether you’re searching for Lyon’s Cichlid in Toronto, Ontario, Vancouver, British Columbia, Calgary, Alberta, Edmonton, Montreal, Quebec, Winnipeg, Manitoba, or elsewhere in Canada, Monster Aquarium Canada focuses on Canadian freshwater fish sales.

Canada-only sales: Livestock availability, exact size, coloration, and stock status can change. Please check the current product listing before ordering.

Frequently Asked Questions

1. What is the scientific name of Lyon’s Cichlid?

The scientific name is Amphilophus lyonsi.

2. What does “Upsized 3 inch” mean?

It indicates that the available specimen is approximately 3 inches and has been grown beyond the smallest juvenile size. Exact measurements can vary slightly between individual fish.

3. How large can Lyon’s Cichlid become?

Amphilophus lyonsi can become a substantial cichlid. Adult size varies according to genetics, sex, nutrition, aquarium size, and overall husbandry.

4. Is Lyon’s Cichlid aggressive?

It can become territorial, particularly as it matures and during breeding. Appropriate aquarium space and carefully selected tank mates are important.

5. What should I feed a 3-inch Lyon’s Cichlid?

Provide quality cichlid pellets supplemented with appropriately sized frozen foods, insect-based foods, krill, and other nutritious preparations.