| General information |
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Astropecten scoparius Muller & Troschel, 1842 |
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| Common name | Sea star |
| Synonyms |
Astropecten japonicus Muller & Troschel, 1842 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
- |
| Systematics |
Eukaryota; Metazoa; Echinodermata; Eleutherozoa; Asterozoa; Asteroidea; Valvatacea; Paxillosida; Astropectinidae. |
| Geographical distribution |
- |
| Occurrence |
- |
| Importance |
Ornamental |
| 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. |
| Karyological information |
| Geographical area of study |
The Tateyama Marine Biological Station, Ochanomizu University, Chiba Prefecture |
| Source of chromosomes |
Blastulae (embryo) |
| Number of specimens with sex |
Not reported |
| Diploid chromosome number |
44 |
| Karyotype formula |
18m+14sm+12st |
| Fundamental arm number |
Not reported |
| Chromosome length |
1 to 5 |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
Not reported |
| Reference |
Saotome K, Komatsu M (2002). Chromosomes of Japanese starfishes. Zoological Science 19:1095-1103. |
| Cross Link |