Common name: Mandarinfish

General Information

The Mandarinfish, scientifically known as Synchiropus splendidus, is a dazzling addition to any aquarium, celebrated for its vibrant colors and intricate patterns. This species is a member of the dragonet family and is one of the most eye-catching fish available in the marine aquarium trade. Its striking appearance, characterized by a combination of blue, orange, and green hues, makes it a favorite among aquarists.

Mandarinfish are native to the Pacific Ocean, particularly in regions such as the Philippines, Indonesia, and Australia. They inhabit coral reefs and lagoons, often found near the substrate where they can hunt for food. Despite their popularity, these fish are often considered challenging to keep due to their specific dietary needs and delicate nature.

Care

Caring for Mandarinfish requires attention to detail and a well-established aquarium. They thrive in tanks with plenty of live rock, which provides both shelter and a natural food source in the form of copepods and other small invertebrates. A mature tank with a thriving pod population is essential for their health.

Mandarinfish prefer peaceful tank mates and should be housed in aquariums with stable water parameters. They are best suited for reef tanks with ample hiding spots and a variety of microhabitats.

Diet and Feeding

Mandarinfish have a specialized diet and primarily feed on small crustaceans, such as copepods and amphipods. In captivity, they require a constant supply of live food, which can be challenging to maintain. Some aquarists have success transitioning them to frozen foods, but this is not always guaranteed.

Feed Mandarinfish multiple times a day to ensure they receive enough nutrition. Offering a variety of foods, including live and frozen options, can help maintain their health and vibrancy.

Behavior and Compatibility

Mandarinfish are peaceful and shy, often spending their time near the bottom of the tank, exploring rock crevices. They are not aggressive and are best kept with other non-aggressive species. Due to their timid nature, they can be outcompeted for food by more aggressive feeders, so careful monitoring is necessary.

Mandarinfish do not pose a threat to other tank inhabitants and are considered reef-safe. However, they should not be housed with large, aggressive fish that might intimidate or harm them.

Reproduction

Breeding Mandarinfish in captivity is possible and can be a rewarding experience for dedicated aquarists. They exhibit a unique courtship behavior, where the male and female rise together in the water column to release their gametes.

Successful breeding requires optimal water conditions and a stress-free environment. Raising the fry is challenging due to their small size and specific dietary needs, which include tiny live foods such as rotifers.

Health and Common Issues

Mandarinfish are generally hardy if their dietary needs are met and they are kept in a stable environment. However, they can be prone to starvation if not provided with adequate live food. Maintaining a healthy and diverse pod population is key to preventing this issue.

Regular observation and monitoring of their behavior and feeding habits can help detect any potential health problems early. Providing a stress-free environment with plenty of hiding spots can also aid in their overall health.

Habitat

In the wild, Mandarinfish are found in sheltered lagoons and coral reefs, preferring areas with abundant live rock and coral rubble. They are typically found at depths of up to 20 meters. Their natural habitat is characterized by rich biodiversity, offering plenty of feeding opportunities and hiding places.