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313:) is a predatory starfish that feeds on other starfish. If approached by a morning sun star, a cookie star does not attempt to flee, although this would be a pointless strategy as the cookie star is a very slow crawler. The morning sun star climbs on top in its usual attacking position but soon gives up and looks very sick, apparently repelled by a toxic chemical substance. In an experiment, four cookie stars were kept in a tank with a number of hungry morning sun stars for a period of two months, but none were harmed.
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The cookie star is roughly pentagonal in shape with a diameter of up to 16 centimetres (6.3 in). It has a slightly inflated, broad central disc and five short rays. The aboral (upper) surface is covered with neatly arranged flat-topped scales, polygonal in the central area and hexagonal on the
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rays. Between the rays the scales are small and crowded together. There is a marginal row of distinctive larger scales forming a bevelled edge. Sometimes the disc and ray areas are swollen with sunken inter-radial areas between. This may happen when the starfish has recently fed or when its
281:. It is a deep water species, in the Southern Ocean being found at depths varying between 100 and 5,000 metres (330 and 16,400 ft) but is commonest at depths less than 250 metres (820 ft).
188:. It is bright orange or yellow in colour. Its arms are short and it has no spines. It is a deep water species and lives on rocky sea beds. Its diet includes sponges.
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are enlarged prior to spawning. The general colour is yellow, orange or pink. It is larger than the rather similar Arctic cookie star (
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waters. It is also found on the west coast of North and South
America from
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The World
Register of Marine Species lists four subspecies:
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299:) and the chocolate puffball sponge (
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643:b3293d3c-0349-4e2a-bae6-14a3684a3dae
450:Sea Stars of the Pacific Northwest
416:Sea Stars of the Pacific Northwest
217:Ceramaster patagonicus patagonicus
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349:World Register of Marine Species
257:The cookie star is found in the
225:Ceramaster patagonicus productus
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201:Ceramaster patagonicus euryplax
209:Ceramaster patagonicus fisheri
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803:Starfish described in 1889
293:such as the cloud sponge (
694:Pentagonaster patagonicus
289:The cookie star feeds on
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49:Scientific classification
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440:McDaniel, Neil (2011).
406:McDaniel, Neil (2011).
380:Antarctic Invertebrates
529:Ceramaster_patagonicus
515:Ceramaster patagonicus
485:Ceramaster patagonicus
410:Ceramaster patagonicus
374:Ceramaster patagonicus
339:Ceramaster patagonicus
296:Aphrocallistes vastus
177:Ceramaster patagonicus
158:Ceramaster patagonicus
42:Ceramaster patagonicus
40:Preserved specimen of
25:Ceramaster patagonicus
442:"Arctic cookie star (
335:Danis, Bruno (2010).
444:Ceramaster arcticus
302:Latrunculia austini
246:Ceramaster arcticus
140:C. patagonicus
16:Species of starfish
263:Strait of Magellan
184:, is a species of
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452:. Archived from
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418:. Archived from
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307:Morning sun star
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376:(Sladen, 1889)"
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408:"Cookie star (
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149:Binomial name
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253:Distribution
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664:SeaLifeBase
615:NatureServe
576:iNaturalist
509:Wikispecies
271:New Zealand
234:Description
182:cookie star
792:Categories
709:Q105398270
460:2012-10-07
426:2012-10-06
385:2012-10-06
354:2012-10-06
317:References
267:Australian
192:Subspecies
127:Ceramaster
96:Asteroidea
620:2.1059869
279:Cape Horn
134:Species:
106:Valvatida
72:Kingdom:
66:Eukaryota
749:11287894
703:Wikidata
594:10586352
500:Q1986879
494:Wikidata
186:sea star
168:, 1889)
112:Family:
82:Phylum:
76:Animalia
62:Domain:
736:5186842
568:2271610
305:). The
291:sponges
285:Biology
265:and in
122:Genus:
102:Order:
92:Class:
775:213273
762:992666
682:213335
656:213335
640:NZOR:
633:136955
607:156992
581:537859
275:Alaska
261:, the
241:gonads
180:, the
166:Sladen
770:WoRMS
744:IRMNG
723:76M43
677:WoRMS
669:49286
589:IRMNG
555:5XJK7
542:99734
345:WoRMS
757:ITIS
731:GBIF
651:OBIS
628:NCBI
602:ITIS
563:GBIF
537:BOLD
269:and
718:CoL
550:CoL
524:AFD
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394:^
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309:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
