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Fundulidae
The Blackstripe Topminnow is a popular aquarium fish known for its vibrant colors and Easy of care. It belongs to the family Fundulidae and is native to the North America
Temperature
68-75°F (20-24°C)
Min. Tanksize
20 gallons (75 liters)
Water Type
1.000
Suitable PH
6.5 - 8.0
Native
North America
Size
3 inches (8 cm)
Life Span
3-4 years
Caring
Easy
The Blackstripe Topminnow is a small, slender fish named for its prominent black lateral stripe that runs from head to tail. Native to the freshwater streams, rivers, and ponds of North America, this fish is highly adaptable and ideal for beginner aquarists.
A minimum tank size of 20 gallons (75 liters) is sufficient for small groups of Blackstripe Topminnows. The tank should have a sandy or fine gravel substrate, along with dense aquatic plants like hornwort or Java moss to provide cover. Open swimming spaces are essential, as these fish are surface-oriented and highly active.
Optimal water parameters include a pH of 6.5-8.0, a temperature range of 68-75°F (20-24°C), and water hardness between 5-15 dGH. As a strictly freshwater species, the Blackstripe Topminnow does not tolerate salinity, so the specific gravity should remain at 1.000.
These omnivorous fish thrive on a varied diet, including insects, small crustaceans, algae, and worms. Regular feeding with high-quality flakes, live or frozen foods, and occasional plant-based treats will ensure they maintain vibrant coloration and robust health.
Blackstripe Topminnows are peaceful and social, preferring to be kept in groups of five or more. A stocking ratio of 1 male to 2 females helps minimize any minor aggression during the breeding season. Breeding occurs readily in captivity, with females depositing eggs on plants or fine substrates. The fry hatch within 1-2 weeks and can be raised on infusoria or powdered food.
With a lifespan of 3-4 years, the Blackstripe Topminnow is a hardy and low-maintenance fish, provided that the water quality is consistently good. Weekly water changes and a well-maintained filter are sufficient to keep them healthy.
Their striking black stripe, ease of care, and active nature make the Blackstripe Topminnow a delightful addition to community aquariums or species-specific setups. These fish are particularly well-suited for aquarists looking to recreate a North American biotope or simply enjoy their engaging surface-dwelling behavior.
Blackstripe Topminnow is a fascinating aquarium fish that stands out with its vibrant colors. It belongs to the family Fundulidae and is native to the North America.
This species has a care level of Easy and requires a minimum tank size of 20 gallons (75 liters). It typically reaches a size of 3 inches (8 cm).
Preferred water parameters include a specific gravity (sg) of 1.000, pH ranging from 6.5 - 8.0, and a temperature between 68-75°F (20-24°C). Additionally, maintaining water hardness within the range of 5-15 dGH is essential.
For stocking, the recommended ratio is 1:2 M:F. The Blackstripe Topminnow is widely available and has a diverse diet that includes Insects, small crustaceans, algae, worms.
With a life span of 3-4 years, this species is known for its very easy care requirements. It is an ideal choice for both beginner and experienced aquarists. Providing a well-maintained tank environment with suitable water conditions will ensure the health and vibrancy of this captivating species.
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