Common name: red cushion stat
General information
The Red Cushion Sea Star, Porania pulvillus, is a distinctive and attractive species of starfish that is occasionally found in the aquarium trade. It is known for its bright red coloration and cushion-like appearance, which makes it a visually appealing addition to the marine aquarium. This species is not as commonly kept as some other starfish, but it can be a rewarding inhabitant with proper care.
Details
- Recommended minimum tank volume
- 100 liter (26 gallons)
- Salinity
- S.G. 1.023 to 1.026
- Temperature
- 10 to 25 °C (50 to 77 °F)
- Acidity
- pH 7.8 to 8.4
- Average size
- 10 cm (4″)
- Care level
- Moderate to easy Requires stable conditions.
- Diet
- Carnivore Feeds on detritus and small organisms.
- Reefsafe
- Yes
- Aggression
- Peaceful
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumEchinodermsEchinodermata
- ClassStarfishAsteroidea
- OrderStarfishValvatida
- FamilyPoraniidae StarfishPoraniidae
- GenusRed Cushion Sea StarPorania
- Speciesred cushion statPorania pulvillus (O.F. Müller, 1776)
- SynonymsAsterias pulvillus O.F. Müller, 1776Asteropsis pulvillus Müller & Troschel, 1842Porania gibbosa Leach in Gray, 1840
Care
Porania pulvillus requires a well-established aquarium with a stable environment. It is important to provide a sandy substrate and ample live rock for grazing, as this species feeds on detritus, small invertebrates, and organic films that develop on surfaces. Care should be taken to ensure that the aquarium does not have aggressive fish or invertebrates that may harm the sea star. Regular water changes and stable water parameters are crucial for the health of this species.
Reproduction
In the wild, Porania pulvillus reproduces by releasing gametes into the water column, where fertilization occurs. In the aquarium, breeding is rare, but with a group of individuals and optimal conditions, spawning may be observed. The larvae are planktonic and go through several developmental stages before settling to the bottom and transforming into juvenile sea stars.
Habitat
The Red Cushion Sea Star is found in the North Atlantic Ocean, from the Arctic down to the North Sea. It prefers colder waters and is typically found at depths ranging from 10 to 1,000 meters. In the aquarium, it is essential to maintain cooler water temperatures that mimic its natural habitat to ensure its well-being.