Red-knobbed Starfish

Protoreaster linckii

Red-knobbed Starfish , also known as the red spine star, African sea star, and the African red knob sea star is a species of starfish.
Red-knobbed Starfish (Protoreaster lincki) A very close look at the bottom of Red-knobbed Starish, clearly displaying their suction power and mouth. Starfish are mostly scavengers and incredibly sensitive to changes in the water. Marine,Protoreaster lincki,Protoreaster linckii,Red-knobbed Starfish,Rhenen Zoo,Starfish,Underwater,zoo

Appearance

''Protoreaster linckii'' grows to a maximum diameter of 12 inches. It has numerous tubercles located along its five arms. These tubercles are bright red and extend upward from the arms. It has a gray body with stripes that connect the tubercles. This creates an appearance of a grid made of interconnecting wires.

The skeleton is composed of many calcareous ossicles and spicules. They are located inside the layer of connective tissue. This skeleton supports the large disk.
Starfish Pile in Hawaii  Geotagged,Protoreaster linckii,Red-knobbed Starfish,United States

Distribution

Indo-Pacific
image  Protoreaster linckii,Red-knobbed Starfish

Behavior

''Protoreaster linckii'' is active in the daytime. It is a popular aquarium fish, however, it is considered incompatible with other animals as it will eat many different species, such as soft corals, sponges, tubeworms, clams, other starfish, and various invertebrates.
Sea Cucmber and Sea Star  Geotagged,Protoreaster linckii,Red-knobbed Starfish,United States

Habitat

This species is found in locations ranging from shallow tidal pools to reefs up to 100 metres deep.

Food

''Protoreaster linckii'' is active in the daytime. It is a popular aquarium fish, however, it is considered incompatible with other animals as it will eat many different species, such as soft corals, sponges, tubeworms, clams, other starfish, and various invertebrates.

References:

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Taxonomy
KingdomAnimalia
DivisionEchinodermata
ClassAsteroidea
OrderValvatida
FamilyOreasteridae
GenusProtoreaster
SpeciesP. linckii