Description
Black Nasty Cichlid (Nandopsis haitiensis)
The Black Nasty Cichlid is one of the most aggressive and powerful cichlids in the aquarium hobby, native to the rivers and lakes of Haiti and the Dominican Republic. Known for its striking jet-black body with pearly white or silvery speckling, this species is as beautiful as it is formidable. Males grow large with heavy bodies and powerful jaws, while females often display more intense spotting.
This species is not for beginners. Nicknamed the “Black Nasty” for a reason, Nandopsis haitiensis is highly territorial and aggressive, even more so than notorious species like the Jaguar or Red Devil Cichlid. They are best kept singly or in very large aquariums with only the toughest, similarly aggressive tank mates. However, for advanced keepers, their impressive size, power, and rarity make them one of the ultimate “wet pets.”
Quick Facts:
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Scientific Name: Nandopsis haitiensis
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Common Name: Black Nasty Cichlid, Haitian Cichlid
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Origin: Caribbean – Haiti & Dominican Republic
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Max Size: ~14–16 inches (males larger than females)
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Temperament: Extremely aggressive and territorial
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Diet: Carnivorous/omnivorous – meaty foods such as pellets, krill, shrimp, earthworms, and occasional vegetables
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Tank Size: 125+ gallons for a single fish (much larger for pairs or communities)
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Water Parameters:
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Temperature: 24–28°C (75–82°F)
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pH: 7.0–8.0
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Hardness: Moderate to hard (8–20 dGH)
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Experience Level: Advanced only
Why Choose the Black Nasty Cichlid?
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Striking black body with shimmering white speckling
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Rare and highly sought-after in the cichlid hobby
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One of the most powerful “wet pets” available
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A true showcase species for advanced aquarists
