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Echinaster callosus, the warty sea star [2] or the banded bubble star, [3] is a species of starfish found in shallow parts of the western Indo-Pacific region. The disc and five slender arms are covered with white, pink, red or violet warts, often forming transverse bands of colour on the arms.
Echinaster luzonicus, the Luzon sea star, [2] is a species of starfish in the family Echinasteridae, [1] found in shallow parts of the western Indo-Pacific region. It sometimes lives symbiotically with a copepod or a comb jelly, and is prone to shed its arms, which then regenerate into new individuals.
An echinoderm (/ ɪ ˈ k aɪ n ə ˌ d ɜːr m, ˈ ɛ k ə-/) [2] is any animal of the phylum Echinodermata (/ ɪ ˌ k aɪ n oʊ ˈ d ɜːr m ə t ə /), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". [3]
Echinasteridae contains eight genera and about 133 species. The two genera Echinaster and Henricia are the most speciose, forming species complexes. Echinaster has a largely tropical distribution and occurs in shallow seas including continental shelves, while Henricia is cosmopolitan, occurring mostly in cold waters, including polar habitats and abyssal locations. [2]
Map of the Southern African coastline showing some of the landmarks referred to in species range statements. The list of echinoderms of South Africa is a list of species that form a part of the echinoderm (Phylum Echinodermata) fauna of South Africa, and includes the starfish, feather stars, brittle stars, sea urchins and sea cucumbers.
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This echinoderm belongs to the family Echinometridae and it can reach a maximum diameter of 16–17 cm. [1] Kina populations throughout New Zealand have dramatically grown due to the effects of overfishing and climate change, resulting in over-grazing that significantly damages kelp forest ecosystems. Kina are now being actively removed from ...