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Description
Yellowtail Killifish Epiplatys Dageti 4cmOverview Epiplatys dageti, commonly known as the Yellowtail Killifish, is a captivating freshwater fish from the Killifish family (Aplocheilidae). With its sleek body and distinct yellow or orange coloured tail, this species makes a beautiful addition to any aquarium. Its body is generally silver or light brown with subtle blue or green iridescence. Males display more vibrant colors, especially during courtship or when establishing dominance, while
OverviewEpiplatys dageti, commonly known as the Yellowtail Killifish, is a captivating freshwater fish from the Killifish family (Aplocheilidae). With its sleek body and distinct yellow or orange-coloured tail, this species makes a beautiful addition to any aquarium. Its body is generally silver or light brown with subtle blue or green iridescence. Males display more vibrant colors, especially during courtship or when establishing dominance, while females have a more subdued appearance.
Origin
Epiplatys dageti is native to the slow-moving rivers, streams, and pools in West Africa, particularly in countries like Liberia, Sierra Leone, and Guinea. These regions provide calm and shaded water bodies with dense vegetation, mimicking the ideal habitat for this species.
Feeding
In the wild, Epiplatys dageti is an opportunistic carnivore, feeding primarily on small insects, larvae, and tiny invertebrates. In captivity, it can adapt well to a varied diet. Feeding them a mix of high-quality flakes, pellets, frozen foods, and occasional live foods like brine shrimp or daphnia will ensure they stay healthy and vibrant. To keep their diet balanced, try to incorporate both protein-rich foods and some vegetation-based options.
Tank Mates
The Yellowtail Killifish can coexist peacefully with other small, non-aggressive fish that prefer similar conditions. Suitable tank mates include:
Small tetras (e.g., neon or cardinal tetras)
Peaceful rasboras
Corydoras catfish
Other non-aggressive Killifish species
Avoid larger, more aggressive fish, as they may intimidate or outcompete Epiplatys dageti.
Aggression
Generally considered peaceful, Epiplatys dageti may show some aggression toward their own species, particularly males establishing a hierarchy or defending territory. This is especially noticeable in smaller tanks. To reduce aggression, keep only one male per tank unless you have a spacious environment with plenty of hiding spots. Adding dense vegetation and hiding spaces can help reduce tensions.
Experience Level
Epiplatys dageti is best suited for aquarists with some experience, as they have specific water parameter requirements and can be sensitive to water quality fluctuations. They are, however, easier to keep than some other Killifish, making them a good intermediate choice for aquarists looking to expand their expertise.
Water Parameters
Temperature: 72-77°F (22-25°C)
pH: 6.0 - 7.5 (preferably slightly acidic)
Hardness: 2-10 dGH (soft to moderately hard water)
Tank Size: 10 gallons or larger
A well-maintained tank with subdued lighting and plenty of plants will best replicate their natural habitat. Regular water changes are essential to keep ammonia and nitrate levels low, as Killifish species are sensitive to poor water conditions.
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4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Good product. My dog is very entertained and stimulated by playing with it.
Color: Green, Size: Small (2.0 in, Pack of 2)
I'M AMENDING THIS REVIEW AND ADJUSTING THE RATING UPWARD! Though it took my dog a little while to adjust to how differently this ball behaves, HE LOVES IT NOW. I wish I could give you a sense of how enjoyable and comically entertaining it is to play with him using it. ORIG. REVIEW: Bought this for a little 8 lb. aggressive chewer who loves to play fetch. I initially bought the 2" Chuckit! Ultra ball previously. It is the most amazingly durable product I've found for this pup. Very firm, but not hard on his teeth. He's very quick and agile, so I thought he would like the eye-mouth coordination challenge of a ball that changes direction suddenly. I guess my only disappointment with the product is that the ball is hollow instead of having a solid core like the Ultra ball, so he doesn't enjoy chomping down on it the same way. The erratic bounce feature is entertaining, but the pup is a little skittish, so he was intimidated at first. He's warmed up to it, but not with the same enthusiasm as the Ultra ball. Having said all this, I don't fault the product for the rating I gave it. It is a quality-made product that performs as advertised. I just didn't anticipate that my dog would be less enthusiastic than I thought.
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Reviewed in the United States on June 26, 2016
★★★★★ 5
Awesome
Color: Green, Size: Large (3.0 in, Pack of 1)
Love all the chuckit balls and products and so does my dog. Very durable
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Highly entertained golden retriever!
Color: Green, Size: Large (3.0 in, Pack of 1), Color: Green, Size: Large (3.0 in, Pack of 1)
My golden retriever spends hours chasing this ball. Its erratic bounce pattern keeps him engaged and guessing where to chase the ball. It is durable and stands up to chewing well.
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Reviewed in the United States on January 24, 2026
★★★★★ 4
Great quality ball
Color: Green, Size: Medium (2-1/2 in (Pack of 2))
The product is great no issues. It’s very durable. All of this brands products are strong and durable. The only reason I gave it a four star is I think my dogs prefer more the blue round balls. So that being said, I won’t buy these anymore, but they love the blue ones whether they’re the recycled or not. Great company!
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Reviewed in the United States on May 26, 2025
★★★★★ 5
Unique bouncing
Color: Green, Size: Medium (2-1/2 in (Pack of 2))
Outside of many my kids🐶 balls this one his best favorite for than the others as the bounce is high and unpredictable that makes it more intellectual and exciting for him
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Reviewed in the United States on May 24, 2026