Английская Википедия:Asterias microdiscus

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Asterias microdiscus is a starfish native to the Pacific coasts of Far East Russia.[1]

The species was first described by Alexander Michailovitsch Djakonov in 1950[1][2][3] with the holotype collected in Avacha Bay in the Pacific Ocean, off the southeastern coast of the Kamchatka Peninsula, at a depth of 18m in 6.5°C water, in 1912.[4] Djakonov also named a forma brandtii.[1]

It has also been recovered around Karaginsky Island.[1]

The holotype was found on a silt substrate.[4] It has been found at depths of 3-10m,[1] perhaps 18m.[4]

Description

This starfish has five arms. It has an arm length to 8cm; the ratio between the length of the arm and the radius of its disc is 4.5:1.[1] It has planktonic larvae.[2]

References

Шаблон:Reflist

Шаблон:Taxonbar