General information |
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| Astropecten scoparius Muller & Troschel, 1842 | ||
| Common name | Sea star | |
| Synonyms |
Astropecten japonicus Muller & Troschel, 1842 |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | - |
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| Systematics |
Eukaryota; Metazoa; Echinodermata; Eleutherozoa; Asterozoa; Asteroidea; Valvatacea; Paxillosida; Astropectinidae. |
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| Geographical distribution | - |
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| Occurrence | - | |
| Importance | Ornamental |
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| Remarks | It uses sea water instead of blood to pump nutrients throughout their bodies.Sea stars have no brains and their nervous system is spread through their arms. |
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Karyological information |
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| Geographical area of study | The Tateyama Marine Biological Station, Ochanomizu University, Chiba Prefecture | |
| Source of chromosomes | Blastulae (embryo) |
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| Number of specimens with sex | Not reported |
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| Diploid chromosome number | 44 |
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| Karyotype formula | 18m+14sm+12st |
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| Fundamental arm number | Not reported |
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| Chromosome length | 1 to 5 |
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| Sex chromosome | Not detected |
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| Chromosome staining/banding/FISH | Not reported |
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| Reference(s) |
Saotome K, Komatsu M (2002). Chromosomes of Japanese starfishes. Zoological Science 19:1095-1103. |
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