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Pike Cichlid
Crenicichla sp.
Animalia›Chordata›Actinopterygii
📍 South America
A predatory cichlid genus from South America with a highly elongated, pike-like body built for ambush hunting, featuring a large mouth and aggressive disposition toward smaller fish. Many species reach 8–16 inches and require very large tanks (75+ gallons); they are best kept as a single specimen or pair with large, robust tankmates they cannot swallow.
Care Guide
Diet
Pike cichlids are strict carnivores requiring a diet of live or frozen foods such as small fish, shrimp, bloodworms, and earthworms. Feed juveniles daily and adults 5-6 times per week, adjusting portions to their size. Avoid relying solely on pellets; prioritize protein-rich whole foods to maintain health and coloration.
Behavior
Pike cichlids are solitary, highly predatory ambush hunters that remain relatively inactive until prey appears, then strike with explosive speed. They are extremely aggressive toward smaller fish and will consume anything that fits in their large mouth; they should be kept alone or only with large, robust tankmates they cannot swallow. Territorial aggression intensifies during breeding.
Breeding
Breeding pike cichlids in captivity is difficult and rarely successful in home aquariums. They require very large tanks (75+ gallons minimum), stable water conditions, and compatible pairs that are often aggressive toward each other. Fry are cannibalistic and require live food; most hobbyists lack the space and resources for successful breeding.
Tank Mates
Large, robust South American fish that grows too large for pike cichlids to consume; requires similar warm water conditions
Large cichlid that may coexist but requires careful monitoring; both are territorial and may conflict
Nocturnal, armored catfish too large and well-protected to be preyed upon; occupies different tank zones
Large, eel-like fish that may be tolerated but pike cichlids may attempt predation; requires close observation
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, flashing against objects, lethargy, rapid breathing
Raise temperature gradually to 28-30°C, perform frequent water changes, use aquarium salt or ich medication; treat for 7-10 days
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent changes, reduce aggression stress, use antibacterial medication if severe
Parasitic Infections (Worms, Flukes)
Weight loss despite feeding, visible parasites, clamped fins, excessive mucus production
Use antiparasitic medication (praziquantel or levamisole), perform water changes, quarantine if possible
Mouth Fungus (Columnaris)
White or grayish coating around mouth and gills, difficulty feeding, lethargy
Improve water quality, use antibacterial medication, increase aeration, maintain optimal temperature
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Water it likes
- ph
- 5.5–7.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- temperature
- 75–82°F (24–28°C)