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    1. California Killifish

California Killifish

Fundulidae

California Killifish

The California Killifish is a popular aquarium fish known for its vibrant colors and Moderate of care. It belongs to the family Fundulidae and is native to the North America

Temperature

70-80°F (21-27°C)

Min. Tanksize

20 gallons (75 liters)

Water Type

1.005 - 1.015

Suitable PH

7.5 - 8.5

Native

North America

Size

2.5 inches (6 cm)

Life Span

2-3 years

Caring

Moderate

How to care California Killifish

The California Killifish is a unique species found along the coastal waters of North America. Known for its adaptability, this fish is well-suited for brackish environments such as salt marshes and estuaries, making it a fascinating choice for aquarists interested in biotope-specific setups.

For a small group, a 20-gallon (75-liter) tank is recommended. Mimic its natural habitat with a mix of sandy substrates, rocks, and live plants like seagrass or brackish-tolerant species such as Java fern. Open swimming areas and ample hiding spots are essential for their well-being.

Maintain water parameters with a pH of 7.5-8.5, a temperature range of 70-80°F (21-27°C), and hardness levels of 10-20 dGH. As a brackish water species, an SG of 1.005-1.015 is crucial for their health and longevity. Gradual acclimation is necessary if transitioning from freshwater to brackish conditions.

The California Killifish is a carnivorous feeder, thriving on a diet of small invertebrates, algae, plankton, and worms. Provide high-quality frozen or live foods such as daphnia, brine shrimp, and bloodworms to meet their nutritional needs.

Social but slightly territorial during breeding, they are best kept in groups with a stocking ratio of 1 male to 2 females. Males display vibrant colors to attract females, who deposit eggs in sandy or plant-covered areas. The fry can be raised on infusoria and baby brine shrimp.

With a lifespan of 2-3 years, this species requires moderate care. Regular tank maintenance, including partial water changes and salinity monitoring, is essential to keep them healthy. Their dynamic behavior and adaptability make them an intriguing addition to brackish water aquariums.

For aquarists looking to replicate coastal estuaries, the California Killifish offers both a challenge and a rewarding experience with its distinct appearance and behaviors.

California Killifish 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 Moderate and requires a minimum tank size of 20 gallons (75 liters). It typically reaches a size of 2.5 inches (6 cm).

Preferred water parameters include a specific gravity (sg) of 1.005 - 1.015, pH ranging from 7.5 - 8.5, and a temperature between 70-80°F (21-27°C). Additionally, maintaining water hardness within the range of 10-20 dGH is essential.

For stocking, the recommended ratio is 1:2 M:F. The California Killifish is widely available and has a diverse diet that includes Small invertebrates, algae, plankton, worms.

With a life span of 2-3 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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