Description
Scientific Name: Poecilia reticulata (Dumbo Ear variety) Common Name: Dumbo Ear Guppy, Elephant Ear Guppy Origin: Selective breeding (Original species native to South America and the Caribbean).
Physical Characteristics The defining feature of this fish is genetic selection for fin size.
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The “Dumbo” Fins: The pectoral fins (located just behind the head) are significantly larger than those of a normal guppy. In high-quality specimens, these fins are not only large but also colored (often matching the tail), contrasting with the body.
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Tail and Body: Like most fancy guppies, males have large, flowing tails (often Mosaic, Cobra, or Solid patterns) and brightly colored bodies.
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Gender Differences:
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Males: Smaller (1.5 inches), brighter colors, larger “ears,” and longer tails.
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Females: Larger (2+ inches), rounder bodies, less colorful, but they also possess the enlarged pectoral fins (though usually not as dramatic as the males).
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Behavior and Temperament
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Swimming: Because of their extra-large fins, they are slower swimmers than common guppies. They have to work harder to move through the water.
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Temperament: They are extremely peaceful. However, because they are slow and have flowing fins, they are easily bullied or nipped by aggressive fish (like Tiger Barbs or Serpae Tetras).
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Livebearers: They are prolific breeders. Females give birth to live young (fry) every 30 days.
Care and Habitat
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Tank Size: A minimum of 10 gallons is recommended.
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Water Flow: Because their heavy fins create “drag,” they struggle in strong currents. Low to moderate water flow is best to prevent them from getting exhausted.
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Diet: They are unfussy omnivores. They need a mix of high-quality flakes, micro pellets, and frozen foods like bloodworms or daphnia to maintain their energy and colors.
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Water Conditions: They prefer hard water with a pH between 7.0 and 8.0 and temperatures between 72°F and 82°F (22°C–28°C).
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