Common name: Luzon Sea Star

General Information

The Luzon Sea Star, scientifically known as Echinaster luzonicus, is a captivating addition to many marine aquariums. This starfish species is known for its striking red to orange coloration and its unique role in the marine ecosystem. Although not as commonly kept as some other marine species, it offers a fascinating glimpse into the world of echinoderms.

This sea star is native to the Indo-Pacific region, where it inhabits coral reefs and rocky substrates. Its vibrant colors and intriguing movement patterns make it a visually appealing choice for hobbyists looking to add diversity to their tanks.

Care

Caring for the Luzon Sea Star requires attention to water quality and stability. These sea stars thrive in aquariums that mimic their natural reef environment, with plenty of live rock and stable water parameters. They are relatively hardy but do require moderate care to ensure their well-being.

Diet and Feeding

Luzon Sea Stars are omnivorous scavengers, feeding on detritus, algae, and small invertebrates in the wild. In captivity, they should be offered a varied diet that includes algae wafers, small pieces of shrimp, and other marine-based foods. Ensuring a balanced diet will help maintain their vibrant coloration and overall health.

Behavior and Compatibility

These sea stars are generally peaceful and can coexist with a variety of reef-safe fish and invertebrates. They are slow-moving and spend much of their time grazing on algae and detritus. However, care should be taken to avoid housing them with aggressive or predatory tank mates that may harm them.

Symbiosis

Luzon Sea Stars are known to have a symbiotic relationship with Benthic Comb Jellies, specifically from the family Coeloplanidae. These comb jellies often attach themselves to the surface of the sea star, benefiting from increased mobility and access to food particles stirred up by the starfish's movement. In return, the comb jelly provides some level of camouflage to the sea star, helping it blend into its surroundings more effectively. This symbiotic relationship demonstrates the interconnectedness of marine life and the fascinating adaptations that contribute to survival in diverse ocean environments.

Health and Common Issues

Luzon Sea Stars can live for several years in captivity with proper care. They are susceptible to changes in water quality, so maintaining stable parameters is crucial. When selecting a sea star, look for individuals with intact limbs and vibrant coloration, as these are signs of good health.

Common issues include limb loss due to stress or poor water conditions. Regular monitoring of water parameters and providing a stable environment can help prevent these issues.

Habitat

In the wild, Echinaster luzonicus is found throughout the Indo-Pacific region, including the waters of the Philippines, Indonesia, and surrounding areas. They prefer coral reef habitats with plenty of hiding spots and surfaces to graze upon. In captivity, replicating these conditions with live rock and a stable, well-maintained aquarium can help them thrive.