The Amphilophus istlanus, commonly known as the Istlan Cichlid, is a striking and underrated Central American cichlid known for its bold coloration, strong build, and classic Amphilophus personality. Native to river systems in Mexico, this species is gaining popularity among hobbyists looking for something unique beyond the more common Midas-type cichlids.
With its vibrant oranges, reds, and natural patterning, combined with a confident and interactive nature, A. istlanus makes an excellent centerpiece fish for larger aquariums.
Note: Price is for 1 male, 1 female. Other male was sold off. This is a confirmed breeding pair.
📛 Common Name: Istlan Cichlid
🔬 Scientific Name: Amphilophus istlanus
🌍 Origin: Central America (Mexico)
📏 Adult Size: 10–12+ inches
😈 Temperament: Aggressive / territorial
🍽️ Diet: Omnivorous
🧠 Difficulty Level: Moderate to advanced
💎 Availability: Uncommon in the hobby
🔥 Coloration: Bright orange, red, and gold tones
🎨 Pattern: Some individuals show darker barring or spotting
✨ Finish: Metallic sheen with vibrant hues
💪 Body Type: Thick, muscular, typical Amphilophus build
Some specimens may develop more intense coloration with age, especially dominant individuals.
⚠️ Highly territorial and aggressive, especially as adults
🧠 Intelligent and interactive with owners
🛡️ Establishes and defends territory strongly
✔️ Can be kept with large, aggressive tankmates
❌ Not suitable for peaceful community tanks
Best kept:
📦 Minimum Tank Size: 100–125+ gallons
🏖️ Substrate: Sand or fine gravel
🪨 Décor: Rocks, driftwood, sturdy structures
🌿 Aquascape Tip: Create strong territories and hiding spots
⚠️ This species may dig and rearrange the tank—secure décor well.
🌡️ Temperature: 75–82°F (24–28°C)
⚗️ pH: 6.5–8.0
💧 Hardness: Moderate to hard
🌊 Water Flow: Moderate
🔄 Filtration: Strong filtration recommended
Stable water conditions are essential for health and coloration.
🍤 Protein Foods: Cichlid pellets, shrimp, krill
🌿 Vegetable Matter: Spirulina, algae-based foods
🥬 Extras: Peas, zucchini, greens
🪱 Live/Frozen: Bloodworms, brine shrimp
A balanced diet supports growth, color, and overall health.
| Feature | Details |
|---|---|
| 🌍 Origin | Central America (Mexico) |
| 📏 Max Size | 10–12+ inches |
| 😈 Temperament | Aggressive, territorial |
| 📦 Tank Size | 100–125+ gallons |
| ⚗️ pH Range | 6.5–8.0 |
| 🌡️ Temperature | 75–82°F |
| 🍽️ Diet | Omnivorous – pellets, protein, vegetables |
| 🎯 Ideal For | Predator tanks, experienced aquarists |
🔥 Bright Color: Orange and red tones similar to Midas cichlids
💪 Strong Presence: Bold, dominant centerpiece fish
🧠 Interactive: Recognizes and responds to owners
🎯 Unique Choice: Less common than other Amphilophus species
The Amphilophus istlanus (Istlan Cichlid) is perfect for aquarists looking for a colorful, aggressive, and interactive Central American cichlid that stands out from the typical options.