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Marine Depot Species Database Education Center - Species Database

African Red-Knob Sea Star
African Red-Knob Sea Star
Protoreaster lincki

The African Red Knobby Sea Stars have dull spines, bumps or knobs on their dorsal surface often in contrasting Reds, Burgandys and oranges on a gray or tan body. This species is hardy but is an aggressive feeder and will be more than happy to mount and consume sessile invertebrates including clams, urchins, oysters, anemones, and all manner of corals (soft and stony). Is also known to prey on sleeping, slow or weak fish. If it can catch it, it will eat it. This species is best kept for eating detritus in fish only systems as this is what it is best suited for. Most Invertebrates, ESPECIALLY Seastars require very long and slow drip acclimation process of at least 2 hours or more as they cannot adjust quickly to even small changes in pH, temperature, and alkalinity. Like all invertebrates, this species is intolerant of extreme nitrate levels (over 20) and cannot live in tanks that have had copper-based medications dispensed. Due to the sensitive nature of this animals stringent acclimation requirements and sensitivity to being properly acclimated, it is on the Restricted Species List.
Diet: Carnivore.
Behavior: The Protoreaster lincki is generally aggressive toward other tankmates.
Water parameters: Keep water quality high (SG 1.023 - 1.025, pH 8.1 - 8.4, Temp. 72 - 78 F).
Care: Many consider the Protoreaster lincki a low-maintenance specimen. Not venomous.
Size: The African Red-Knob Sea Star may grow to 12 inches.
Origin: The African Red-Knob Sea Star is commonly collected from South America.
Color: The African Red-Knob Sea Star has a red, gray color.
Feeding: It likes to eat Eats meathy bits of seafood and detritus. Also will eat corals, anemones, urchins, crustaceans, small fish and anything else it can catch..

Species Compatibility Checker

It is important to make sure species can peacefully cohabitate before adding livestock to an aquarium. Use our handy species compatibility checker to determine if the animals on your wish list will play nice together.

Species Compatibility Chart
Marine Depot Species Compatibility Chart

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