163:
ranges from 6-12mm disc diameter (d.d.), and their arms range from sizes greater than 4 times d.d. in length. The first dorsal arm plates are in the shape of a trapezoid, the next dorsal arm changes to a triangular form and are each separated from each other. Their arms contribute to the star's “snake-like” movement across the bottom sediments as well as its feeding mechanisms. The mouth of an
Ophiuroid is located on the oral surface which is facing down but is held off the sea floor. An interesting fact about Ophiuroids is that, like regular sea stars, they have the ability to regenerate a severed arm, they even possess the ability to cut off their own arm if necessary. This is referred to as
33:
55:
192:. Most species are hermaphrodites, which means that the animal has both male and female sex organs needed to reproduce. Brittle stars release eggs and sperm into the water, the larvae are called Ophioplutei. They settle in the seafloor and eventually form a brittle star. Ophiuroids reach full sexual maturity after about two years and their lifespans can be up to about five years.
210:
deep sea habitats mainly consumed brittle star fragments. In an experiment, it was observed that the main contents in six different brittle stars included macroalgae, diatoms, bivalves, gastropods, cyanobacteria, marine fungi, and even unidentified eggs (small organisms, brittle star fragments, and sponges).
209:
Ophiuroids are carnivorous and omnivorous, they use their arms to catch food particles in the water or even food along the seafloor. Their gut content varied based on where the brittle stars were placed: those living in shallow habitats mainly consumed plankton and macroalgae whereas those living in
200:
When brittle stars sexually reproduce, their fertilized eggs float in the water and eventually develop into larvae. Ophioplutei feed on plankton. Brittle star larvae are small and mostly clear. These larvae then go through metamorphosis, this is the stage where they develop their five arms. These
175:
Ophiuroids are found through different regions and zones; they have been observed in sea floors in both tropic and polar regions. According to a NOAA dive report, there was a high density ophiuroids across the sedimented seafloor off the North
Carolina coast and can also be seen along the Yucatán
162:
Ophiuroids, also known as brittle stars, are relatively small. Brittle stars do not have a brain or eyes, but they do have a stomach, sex organs, and a mouth with five jaws. They have five long, thin, spiny arms made of calcium carbonate plates connected by a central disc; the size of their disk
153:
that includes: sea urchins, sand dollars and sea cucumbers. Ophiurida are similar to starfish; they both have a central disc and five arms sprouting from the disc. One of the main distinguishing factors of an
Ophiuroid is its arms; the arms of an Ophiurida are longer, thinner, and distinctly
739:"Morphological description and population structure of an ophiuroid species from cobalt-rich crust seamounts in the Northwest Pacific: Implications for marine protection under deep-sea mining"
975:"Population structure, habitat preferences, feeding strategies, and diet of the brittle star Ophiopholis aculeata in nearshore and offshore habitats of the northwest Atlantic"
188:
Ophiuroids can reproduce both asexually and sexually, but most reproduce sexually. Asexual reproduction happens when the disc is split in half, this process is called
1108:
824:"Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida)"
1134:
167:(self-cut) which is how it got its name, brittle star. The spiny arms of the brittle star allow the animal to roam without losing grip from the substratum.
201:
young brittle stars then move on to the settling stage where they sink to the bottom of the ecosystem where they will spend the rest of their life in.
1095:
688:
877:
Durán-González, Alicia; Laguarda-Figueras, Alfredo; SolĂs-MarĂn, Francisco-Alonso; Gracia, Adolfo; Vázquez-Bader, Ana Rosa (2021-03-22).
798:
737:
Na, Jieying; Chen, Wanying; Zhang, Dongsheng; Zhang, Ruiyan; Lu, Bo; Shen, Chengcheng; Zhou, Yadong; Wang, Chunsheng (2021-12-01).
1170:
1121:
926:
1198:
1139:
54:
177:
32:
599:
409:
329:
489:
269:
1203:
1022:
519:
429:
339:
629:
469:
259:
879:"Biodiversidad de ofiuroideos (Echinodermata: Ophiuroidea) del talud de la PenĂnsula de Yucatán, MĂ©xico"
579:
439:
309:
299:
289:
229:
609:
589:
569:
559:
539:
529:
479:
399:
389:
379:
359:
219:
41:
639:
619:
549:
459:
449:
419:
369:
349:
279:
239:
1175:
1069:
499:
319:
649:
509:
249:
1002:
908:
766:
49:
1147:
1113:
1082:
994:
953:
900:
878:
859:
841:
804:
794:
758:
1162:
1152:
986:
890:
849:
831:
750:
1060:
974:
854:
150:
116:
1074:
1192:
1006:
912:
770:
106:
822:
Okanishi, Massanori; Fujita, Toshihiko; Maekawa, Yu; Sasaki, Takenori (2017-03-27).
1087:
895:
96:
713:
1045:
1126:
1054:
836:
754:
146:
86:
998:
904:
845:
823:
762:
808:
738:
66:
863:
1039:
788:
1100:
990:
973:
Volage, Fanny; Hamel, Jean-François; Mercier, Annie (September 2021).
679:
76:
1016:
1020:
1029:
927:"Ophiuroidea - an overview | ScienceDirect Topics"
154:separated in comparison to those of a sea star.
8:
1017:
793:(2nd ed.). New York: HarperResource.
31:
20:
894:
853:
835:
689:Global Biodiversity Information Facility
666:
674:
672:
670:
7:
948:
946:
782:
780:
708:
706:
180:, but little is known about them.
14:
790:The marine biology coloring book
176:Peninsula. The genus has almost
53:
896:10.15517/rbt.v69iSuppl.1.46337
1:
883:Revista de BiologĂa Tropical
264:(Tommasi & Abreu, 1974)
1220:
787:Niesen, Thomas M. (2000).
837:10.3897/zookeys.663.11413
755:10.1007/s13131-020-1666-1
714:"Brilliant Brittle Stars"
178:cosmopolitan distribution
50:Scientific classification
48:
39:
30:
23:
743:Acta Oceanologica Sinica
314:(Castillo-Alárcon, 1968)
149:belonging to the family
954:"Ophiothrix fragilis |"
464:(Wyville Thomson, 1873)
889:(Suppl.1): S132–S153.
600:Ophiomusa tripassalota
410:Ophiomusa leptobrachia
330:Ophiomusa canaliculata
931:www.sciencedirect.com
490:Ophiomusa moniliforme
270:Ophiomusa anisacantha
979:Invertebrate Biology
520:Ophiomusa oligoplaca
430:Ophiomusa longispina
340:Ophiomusa constricta
16:Genus of echinoderms
630:Ophiomusa valdiviae
470:Ophiomusa micropora
260:Ophiomusa anaelisae
1199:Ophiuroidea genera
580:Ophiomusa stellata
440:Ophiomusa luetkeni
310:Ophiomusa biporica
300:Ophiomusa binghami
290:Ophiomusa australe
230:Ophiomusa africana
1186:
1185:
1148:Open Tree of Life
1023:Taxon identifiers
991:10.1111/ivb.12346
654:(A.H.Clark, 1949)
614:(H.L.Clark, 1911)
610:Ophiomusa trychna
604:(H.L.Clark, 1917)
590:Ophiomusa testudo
570:Ophiomusa simplex
560:Ophiomusa scalare
544:(A.H.Clark, 1936)
540:Ophiomusa rosacea
530:Ophiomusa relicta
524:(H.L.Clark, 1915)
494:(H.L.Clark, 1941)
480:Ophiomusa miranda
474:(H.L.Clark, 1941)
414:(H.L.Clark, 1941)
400:Ophiomusa kimblae
390:Ophiomusa incerta
380:Ophiomusa granosa
360:Ophiomusa facunda
344:(Mortensen, 1936)
334:(H.L.Clark, 1917)
324:(H.L.Clark, 1939)
294:(H.L.Clark, 1928)
274:(H.L.Clark, 1928)
244:(A.H.Clark, 1936)
220:Ophiomusa acufera
138:
137:
134:
42:Ophiomusa acufera
1211:
1179:
1178:
1166:
1165:
1156:
1155:
1143:
1142:
1130:
1129:
1127:NHMSYS0021200754
1117:
1116:
1104:
1103:
1091:
1090:
1078:
1077:
1065:
1064:
1063:
1050:
1049:
1048:
1018:
1011:
1010:
970:
964:
963:
961:
960:
950:
941:
940:
938:
937:
923:
917:
916:
898:
874:
868:
867:
857:
839:
819:
813:
812:
784:
775:
774:
734:
728:
727:
725:
724:
710:
701:
700:
698:
696:
676:
655:
645:
644:(Ljungman, 1872)
640:Ophiomusa valida
635:
625:
620:Ophiomusa ultima
615:
605:
595:
585:
575:
565:
555:
550:Ophiomusa rugosa
545:
535:
525:
515:
505:
495:
485:
475:
465:
460:Ophiomusa lymani
455:
450:Ophiomusa lunare
445:
435:
425:
420:Ophiomusa ligata
415:
405:
395:
385:
375:
370:Ophiomusa fallax
365:
355:
350:Ophiomusa faceta
345:
335:
325:
315:
305:
295:
285:
280:Ophiomusa aspera
275:
265:
255:
245:
240:Ophiomusa alecto
235:
225:
132:
58:
57:
35:
21:
1219:
1218:
1214:
1213:
1212:
1210:
1209:
1208:
1189:
1188:
1187:
1182:
1174:
1169:
1161:
1159:
1151:
1146:
1138:
1133:
1125:
1120:
1112:
1107:
1099:
1094:
1086:
1081:
1073:
1068:
1059:
1058:
1053:
1044:
1043:
1038:
1025:
1015:
1014:
972:
971:
967:
958:
956:
952:
951:
944:
935:
933:
925:
924:
920:
876:
875:
871:
821:
820:
816:
801:
786:
785:
778:
736:
735:
731:
722:
720:
712:
711:
704:
694:
692:
678:
677:
668:
663:
658:
653:
643:
633:
623:
613:
603:
593:
584:(Verrill, 1899)
583:
573:
563:
554:(Koehler, 1914)
553:
543:
534:(Koehler, 1904)
533:
523:
513:
504:(Koehler, 1922)
503:
500:Ophiomusa morio
493:
484:(Koehler, 1930)
483:
473:
463:
453:
443:
434:(Koehler, 1930)
433:
424:(Koehler, 1922)
423:
413:
403:
394:(Koehler, 1930)
393:
383:
374:(Koehler, 1904)
373:
364:(Koehler, 1922)
363:
354:(Koehler, 1922)
353:
343:
333:
323:
320:Ophiomusa breve
313:
303:
293:
284:(Koehler, 1930)
283:
273:
263:
254:(Koehler, 1904)
253:
243:
234:(Koehler, 1909)
233:
223:
207:
198:
186:
173:
160:
131:
52:
17:
12:
11:
5:
1217:
1215:
1207:
1206:
1201:
1191:
1190:
1184:
1183:
1181:
1180:
1167:
1157:
1144:
1131:
1118:
1105:
1092:
1079:
1066:
1051:
1035:
1033:
1027:
1026:
1021:
1013:
1012:
965:
942:
918:
885:(in Spanish).
869:
814:
799:
776:
729:
702:
665:
664:
662:
659:
657:
656:
650:Ophiomusa zela
646:
636:
626:
616:
606:
596:
586:
576:
566:
556:
546:
536:
526:
516:
510:Ophiomusa muta
506:
496:
486:
476:
466:
456:
446:
436:
426:
416:
406:
396:
386:
376:
366:
356:
346:
336:
326:
316:
306:
296:
286:
276:
266:
256:
250:Ophiomusa alta
246:
236:
226:
215:
206:
203:
197:
194:
185:
182:
172:
169:
159:
156:
151:Ophiolepididae
145:is a genus of
136:
135:
124:
120:
119:
117:Ophiolepididae
114:
110:
109:
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94:
90:
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84:
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79:
74:
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69:
64:
60:
59:
46:
45:
37:
36:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
1216:
1205:
1204:Amphilepidida
1202:
1200:
1197:
1196:
1194:
1177:
1172:
1168:
1164:
1158:
1154:
1149:
1145:
1141:
1136:
1132:
1128:
1123:
1119:
1115:
1110:
1106:
1102:
1097:
1093:
1089:
1084:
1080:
1076:
1075:Ophiomusaidae
1071:
1067:
1062:
1056:
1052:
1047:
1041:
1037:
1036:
1034:
1032:
1028:
1024:
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992:
988:
984:
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976:
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966:
955:
949:
947:
943:
932:
928:
922:
919:
914:
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906:
902:
897:
892:
888:
884:
880:
873:
870:
865:
861:
856:
851:
847:
843:
838:
833:
830:(663): 1–19.
829:
825:
818:
815:
810:
806:
802:
800:0-06-273718-X
796:
792:
791:
783:
781:
777:
772:
768:
764:
760:
756:
752:
749:(12): 79–89.
748:
744:
740:
733:
730:
719:
715:
709:
707:
703:
691:
690:
685:
683:
675:
673:
671:
667:
660:
652:
651:
647:
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637:
634:(Hertz, 1927)
632:
631:
627:
622:
621:
617:
612:
611:
607:
602:
601:
597:
594:(Lyman, 1875)
592:
591:
587:
582:
581:
577:
574:(Lyman, 1878)
572:
571:
567:
564:(Lyman, 1878)
562:
561:
557:
552:
551:
547:
542:
541:
537:
532:
531:
527:
522:
521:
517:
514:(Hertz, 1927)
512:
511:
507:
502:
501:
497:
492:
491:
487:
482:
481:
477:
472:
471:
467:
462:
461:
457:
454:(Lyman, 1878)
452:
451:
447:
444:(Lyman, 1878)
442:
441:
437:
432:
431:
427:
422:
421:
417:
412:
411:
407:
404:(Baker, 1979)
402:
401:
397:
392:
391:
387:
384:(Lyman, 1878)
382:
381:
377:
372:
371:
367:
362:
361:
357:
352:
351:
347:
342:
341:
337:
332:
331:
327:
322:
321:
317:
312:
311:
307:
304:(Boone, 1928)
302:
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272:
271:
267:
262:
261:
257:
252:
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241:
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232:
231:
227:
224:(Lyman, 1875)
222:
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130:
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125:
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112:
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108:
107:Amphilepidida
105:
102:
101:
98:
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92:
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87:Echinodermata
85:
82:
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78:
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62:
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56:
51:
47:
44:
43:
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29:
26:
22:
19:
1030:
982:
978:
968:
957:. Retrieved
934:. Retrieved
930:
921:
886:
882:
872:
827:
817:
789:
746:
742:
732:
721:. Retrieved
717:
693:. Retrieved
687:
681:
648:
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628:
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199:
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184:Reproduction
174:
171:Distribution
164:
161:
141:
140:
139:
127:
126:
40:
24:
18:
1055:Wikispecies
624:Hertz, 1927
196:Life stages
158:Description
147:echinoderms
133:Hertz, 1927
97:Ophiuroidea
1193:Categories
959:2022-04-19
936:2022-04-19
723:2022-04-19
695:22 October
661:References
1061:Ophiomusa
1046:Q56320100
1031:Ophiomusa
1007:239279664
999:1077-8306
913:233630636
905:2215-2075
846:1313-2970
771:244634532
763:1869-1099
718:ThoughtCo
682:Ophiomusa
213:Species:
142:Ophiomusa
128:Ophiomusa
73:Kingdom:
67:Eukaryota
25:Ophiomusa
1040:Wikidata
864:28769615
809:44891985
165:autotomy
113:Family:
83:Phylum:
77:Animalia
63:Domain:
1163:4268080
1140:2771564
1114:1414448
1101:2275727
855:5523172
828:ZooKeys
190:fission
123:Genus:
103:Order:
93:Class:
1176:242417
1160:uBio:
1153:893162
1005:
997:
911:
903:
862:
852:
844:
807:
797:
769:
761:
1171:WoRMS
1109:IRMNG
1088:7PQYQ
1003:S2CID
985:(3).
909:S2CID
767:S2CID
1135:NCBI
1096:GBIF
995:ISSN
901:ISSN
860:PMID
842:ISSN
805:OCLC
795:ISBN
759:ISSN
697:2021
205:Diet
1122:NBN
1083:CoL
1070:ADW
987:doi
983:140
891:doi
850:PMC
832:doi
751:doi
1195::
1173::
1150::
1137::
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1111::
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1072::
1057::
1042::
1001:.
993:.
981:.
977:.
945:^
929:.
907:.
899:.
887:69
881:.
858:.
848:.
840:.
826:.
803:.
779:^
765:.
757:.
747:40
745:.
741:.
716:.
705:^
686:.
669:^
1009:.
989::
962:.
939:.
915:.
893::
866:.
834::
811:.
773:.
753::
726:.
699:.
684:"
680:"
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