In Singapore, Archaster typicus has been recorded from Chek Jawa, Cyrene Reef, Kusu Island, Lazarus Island, Pulau Hantu, Pulau Semakau, Pulau Senang, . Juveniles are found in prop roots of mangroves and gradually inhabit sandy shores, seagrass areas and shoals as they age, where they are buried slightly in the. Reference for: Archaster typicus. Other Source(s). Source: WoRMS – World Asteroidea Database, database (version undefined). Acquired: Notes: Mah .
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Archaster typicus – Wikipedia
Filmed on Cyrene Reef, Jul 08, showing the sea star ‘breathing’ through the madreporite, and a tiny parasitic snail on it. Chek Jawa, Jan Archaster typicus is a species of starfish in the family Archasteridae.
It usually inhabits areas of the seabed with soft sediments including sand, silt and seagrass meadows. Cryene Reef, Jul A distintegrating sea star due to massive floods.
Threatened plants and animals of Singapore. Adults grow to 12 to 15 centimetres 4.
Pulau Hantu, Jun Archaster typicus is a five-limbed star with long, slightly tapering arms with pointed tips. A guide to common shallow water sea stars, brittle stars, sea urchins, sea cucumbers and feather stars. Kusu Island, Sep Parasitic snail on arm, not often seen.
Small male on top of larger female. The female can move about and feed but the male is more restricted in his activities. archwster
The Singapore Red Data Book: Archaster typicus is a aarchaster and eats detritus and anything else edible it comes across. Didier VandenSpiegel et al.
Views Read Edit View history. Astericola carens Humes, Synstellicola carens Humes, Terumbu Berkas, Jan Articles with ‘species’ microformats. Asteroidea in the Philippines”.
Marine Biology MarchVolumeIssue 3, pp Chek Jawa, Feb archasfer This pair of sea stars are in ‘mating’ position. Tanah Merah, Oct In other projects Wikimedia Commons. The Raffles Bulletin of Zoology 46 2: This page was last edited on 22 Mayat Pulau Hantu, Jul Pulau Sudong, Dec When she releases her eggshe releases his sperm almost simultaneously thereby increasing the chances that successful fertilisation will take place.
WoRMS – World Register of Marine Species – Archaster typicus Müller & Troschel,
They are no longer common on all our shores. Common sea stars on Singapore shores. The underside is pale.
Kusu Island, Feb Mating behaviour archastef reproductive cycle of Archaster typicus Echinodermata: Their method of mating is unique among sea stars They use water to pump up their bodies. A starfish can tell whether another is male or female, probably by chemotactic recognition. Want to share your sightings? Photos of Common sea stars for free download from wildsingapore flickr.