Common name: Nardoa Starfish

General information

The Nardoa Starfish, scientifically known as Nardoa galatheae, is a captivating marine invertebrate that adds both beauty and function to a reef aquarium. This species is known for its distinctive tile-like pattern on its back, which can range in color from tan to green with red or brown mottling. It is a member of the Oreasteridae family and is often appreciated for its role in consuming detritus and uneaten food, thereby contributing to the cleanliness of the tank.

Care

Caring for a Nardoa Starfish requires a well-established aquarium with a stable environment. They thrive in tanks with plenty of live rock and a sandy substrate where they can forage for microorganisms and detritus. It's important to ensure that the tank is free of predatory fish and invertebrates that may harm the starfish. Regular monitoring of water parameters is crucial, as Nardoa Starfish are sensitive to changes in water quality, particularly to high levels of nitrates and copper-based medications.

Reproduction

Nardoa Starfish are capable of both sexual and asexual reproduction. In the wild, they reproduce by releasing gametes into the water column, where fertilization occurs. In the aquarium, they may also reproduce asexually through fragmentation, where a part of the starfish's arm detaches and develops into a new individual. This method of reproduction can be a sign of stress, so it's important to maintain optimal conditions to prevent it.

Habitat

Nardoa galatheae is found in the Indo-Pacific region, particularly in areas like the Great Barrier Reef, the Coral Sea, and the waters around Indonesia and the Philippines. They are typically found at depths ranging from shallow reefs to deeper waters. In their natural habitat, they are often seen on or near coral rubble, where they scavenge for food.