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Cherax

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As part of a mating/copulation ritual, males and females fight each other. This allows the female to test the strength of the male to determine if they will produce viable offspring. During the fight, both release urine. The female's release of urine triggers a sexual response from the male. The
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is during early spring. After fertilisation, eggs develop inside the mother's body for 4 to 6 weeks. After that period, the eggs transition to the outside of the mother's body and rest on the female's tail. Then the eggs continue to develop and hatch in spring.
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male's release of urine is an aggressive response towards the fight with the female. When the male smells the female's urine, it will stop releasing its own, hoping the female will allow them to copulate.
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about that individual's strength. Individuals possessing larger chelae engage in more agonistic encounters and are also more likely to win. In a study of female C
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chelae strength, researchers found that chelae size also indirectly indicated the dominance of the female because of its honest indication of strength.
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In instances when displaying males have chelae of a similar size, they will engage in combat and those with the greater chelae closing force will win.
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Aquiloni, L. & Gherardi, F. (2008). "Mutual mate choice in crayfish: Large body size is selected by both sexes, virginity by males only".
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Once the female allows it, the male will position itself on its back, and deposit its sperm. Unlike other crayfish species, the
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does not use its cheliped to cage females during copulation. It is mainly used during mating when the males and females fight.
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are selective with copulation partners. Females tend to choose males with a larger central mass (abdomen and tail) and
1673: 1785: 1764: 1686: 1249:"To signal or not to signal? Chemical communication by urine-borne signals mirrors sexual conflict in crayfish" 1746: 1524: 1310: 1098:(Decapoda: Parastacidae), the first cave crayfish from the Southern Hemisphere (Papua Province, Indonesia)". 1364: 1175: 1642: 1629: 1647: 143: 1790: 1410: 1041: 1028:
Erichson (Decapoda: Parastacidae) in eastern Australia re-examined using nucleotide sequences from
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crayfish are found widely in rivers, streams, and lakes, with a particularly high diversity in the
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rivers and streams, lakes, swamps, and impoundments at low to medium altitude, largely within the
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Yabbies can inhabit shallow creeks during the wet season and burying themselves during droughts
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Some species are very colourful and sometimes seen in the freshwater aquarium trade.
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of strength, meaning the size of their chelae is a good indication to other
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Freshwater Biotas of New Guinea and Nearby Islands: Analysis of Endemism
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Polhemus, Dan A.; Englund, Ronald A. & Allen, Gerald R. (2004).
1059: 225:, it is also the largest crayfish genus in the Southern Hemisphere. 1599: 1080:(Report). Bernice Pauahi Bishop Museum, Conservation International. 375: 326: 248:
The most common and widely distributed species in Australia is the
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Munasinghe, D. H. N.; Burridge, C. P. & Austin, C. M. (2004).
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Bywater, C. L.; Angilletta, M. J. & Wilson, R. S. (2008).
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Patoka, Jiří; Bláha, Martin & Kouba, Antonín (2015). "
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Patoka, Jiří; Bláha, Martin & Kouba, Antonín (2015).
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Patoka, Jiří; Bláha, Martin; Kouba, Antonín (2017). "
1024:"The systematics of freshwater crayfish of the genus 1555:"New species of crayfish named after Edward Snowden" 1072: 1340: 1022: 1247:Berry, Fiona C. & Breithaupt, Thomas (2010). 1805: 1505: 1453: 1196: 1093: 1246: 1133: 1131: 1501: 1499: 1137: 431:Lukhaup, Eprilurahman & von Rintelen, 2018 1299: 1128: 1089: 1087: 279:. New Guinea is also home to the only known 233:Members of the cherax genus can be found in 1496: 1552: 172: 31: 1537: 1393:Fetzner, James W. Jr. (11 January 2010). 1377: 1323: 1300:Barki, Assaf & Karplus, Ilan (1999). 1276: 1266: 1220: 1084: 245:across most of Australia and New Guinea. 390:The genus contains at least 59 species: 374: 312: 1441:Integrated Taxonomic Information System 1392: 938:Lukhaup, Panteleit & Schrimpf, 2015 1806: 1002:Patoka, Akmal, Bláha & Kouba, 2023 1581: 1580: 1553:Dockterman, Eliana (25 August 2015). 1138:Blaszczak-Boxe, Agata (13 May 2015). 283:crayfish in the Southern Hemisphere, 195:in Australia, is the most widespread 1687:7cb61c3a-6bd7-4cc2-a5b8-aa516bfcd143 1425: 13: 1407:Carnegie Museum of Natural History 379:Cherax "Blue Moon" which could be 14: 1830: 1379:10.1111/j.1365-2435.2008.01379.x 1213:10.1111/j.1469-7998.2007.00370.x 53: 1546: 1447: 1386: 631:Patoka, Bláha & Kouba, 2015 401:Patoka, Bláha & Kouba, 2017 298: 1293: 1190: 1160: 1066: 1014: 1: 1525:Journal of Crustacean Biology 1311:Journal of Crustacean Biology 1008: 290: 256:). It is generally found in 982:Eprilurahman / Lukhaup, 2022 343: 7: 821:Lukhaup & Herbert, 2008 451:Coughran & Hobson, 2012 10: 1835: 541:Coughran & Furse, 2012 370: 228: 1589: 1539:10.1163/1937240x-00002377 1482:10.11646/zootaxa.3964.5.2 1114:10.11646/zootaxa.4363.1.7 1062:– via ResearchGate. 671:Lukhaup & Pekny, 2006 481:Lukhaup & Pekny, 2008 171: 158: 151: 50:Scientific classification 48: 39: 30: 23: 1048:Invertebrate Systematics 884:Cherax quinquecarinatus 811:Short & Davie, 1993 1403:Crayfish Taxon Browser 1304:Cherax quadricarinatus 1268:10.1186/1741-7007-8-25 874:Cherax quadricarinatus 387: 318: 305:The mating season for 378: 316: 1682:Fauna Europaea (new) 978:Cherax wagenknechtae 657:Cherax gladstonensis 527:Cherax cartalacoolah 262:Murray–Darling Basin 187:, commonly known as 942:Cherax subterigneus 878:(von Martens, 1868) 757:Cherax neopunctatus 747:Cherax neocarinatus 497:Cherax buitendijkae 205:Southern Hemisphere 16:Genus of crayfishes 1365:Functional Ecology 1200:Journal of Zoology 968:Cherax urospinosus 647:Cherax glabrimanus 557:Cherax crassimanus 517:Cherax cairnsensis 467:Cherax bicarinatus 388: 319: 1801: 1800: 1773:Open Tree of Life 1583:Taxon identifiers 1096:Cherax acherontis 1003: 993: 983: 973: 963: 958:Cherax tenuimanus 953: 939: 929: 919: 909: 899: 894:Cherax rhynchotus 889: 879: 869: 859: 849: 842: 832: 822: 812: 802: 792: 782: 772: 762: 752: 742: 732: 722: 712: 702: 692: 682: 672: 662: 652: 642: 632: 622: 612: 602: 597:Cherax destructor 592: 582: 572: 567:Cherax cuspidatus 562: 552: 542: 532: 522: 512: 502: 492: 482: 472: 462: 452: 442: 432: 422: 412: 407:Cherax albertisii 402: 397:Cherax acherontis 357:honest signalling 199:of fully aquatic 180: 179: 147: 42:Cherax destructor 1826: 1794: 1793: 1781: 1780: 1768: 1767: 1755: 1754: 1752:NHMSYS0021196539 1742: 1741: 1729: 1728: 1716: 1715: 1703: 1702: 1690: 1689: 1677: 1676: 1664: 1663: 1651: 1650: 1638: 1637: 1625: 1624: 1623: 1610: 1609: 1608: 1578: 1577: 1572: 1571: 1569: 1567: 1550: 1544: 1543: 1541: 1503: 1494: 1493: 1451: 1445: 1444: 1429: 1423: 1422: 1420: 1418: 1409:. Archived from 1390: 1384: 1383: 1381: 1351: 1338: 1337: 1327: 1297: 1291: 1290: 1280: 1270: 1244: 1235: 1234: 1224: 1194: 1188: 1187: 1185: 1183: 1174:. Archived from 1172:www.dept.psu.edu 1164: 1158: 1157: 1155: 1153: 1135: 1126: 1125: 1091: 1082: 1081: 1079: 1070: 1064: 1063: 1045: 1038: 1018: 1001: 991: 981: 971: 961: 951: 937: 927: 917: 907: 897: 887: 877: 867: 864:Cherax punctatus 857: 847: 841:(Erichson, 1846) 840: 830: 820: 810: 800: 790: 787:Cherax paniaicus 780: 770: 767:Cherax nucifraga 760: 750: 740: 730: 727:Cherax monticola 720: 717:Cherax misolicus 710: 700: 690: 680: 670: 667:Cherax holthuisi 660: 650: 640: 630: 627:Cherax gherardii 620: 610: 600: 590: 587:Cherax depressus 580: 570: 560: 550: 540: 530: 520: 510: 500: 490: 480: 477:Cherax boesemani 470: 460: 450: 440: 430: 420: 410: 400: 219:. Together with 176: 161:Astacus preissii 142: 58: 57: 35: 21: 20: 1834: 1833: 1829: 1828: 1827: 1825: 1824: 1823: 1804: 1803: 1802: 1797: 1789: 1784: 1776: 1771: 1763: 1758: 1750: 1745: 1737: 1732: 1724: 1719: 1711: 1706: 1698: 1693: 1685: 1680: 1672: 1667: 1659: 1654: 1646: 1641: 1633: 1628: 1619: 1618: 1613: 1604: 1603: 1598: 1585: 1575: 1565: 1563: 1551: 1547: 1504: 1497: 1452: 1448: 1431: 1430: 1426: 1416: 1414: 1413:on 2 April 2015 1399:Erichson, 1846" 1391: 1387: 1352: 1341: 1325:10.2307/1549258 1298: 1294: 1245: 1238: 1195: 1191: 1181: 1179: 1178:on 18 July 2022 1166: 1165: 1161: 1151: 1149: 1148:. No. 3021 1136: 1129: 1092: 1085: 1077: 1071: 1067: 1060:10.1071/IS03012 1039: 1019: 1015: 1011: 1006: 988:Cherax wasselli 914:Cherax rotundus 904:Cherax robustus 848:McCulloch, 1914 845:Cherax angustus 837:Cherax preissii 827:Cherax plebejus 797:Cherax papuanus 777:Cherax pallidus 697:Cherax lorentzi 687:Cherax longipes 547:Cherax communis 487:Cherax boschmai 457:Cherax barretti 373: 346: 301: 293: 271:In New Guinea, 231: 211:across most of 167: 164: 141: 52: 17: 12: 11: 5: 1832: 1822: 1821: 1819:Decapod genera 1816: 1799: 1798: 1796: 1795: 1782: 1769: 1756: 1743: 1730: 1717: 1704: 1691: 1678: 1669:Fauna Europaea 1665: 1652: 1639: 1626: 1611: 1595: 1593: 1587: 1586: 1574: 1573: 1545: 1532:(6): 830–838. 1495: 1476:(5): 526–536. 1460:Astaconephrops 1446: 1424: 1385: 1372:(2): 311–316. 1339: 1318:(3): 493–497. 1292: 1236: 1207:(2): 171–179. 1189: 1159: 1127: 1108:(1): 137–144. 1083: 1065: 1054:(2): 215–225. 1012: 1010: 1007: 1005: 1004: 998:Cherax woworae 994: 984: 974: 964: 954: 952:Holthuis, 1949 944: 934:Cherax snowden 930: 924:Cherax setosus 920: 910: 900: 890: 880: 870: 860: 854:Cherax pulcher 850: 833: 823: 813: 803: 801:Holthuis, 1949 793: 791:Holthuis, 1949 783: 781:Holthuis, 1949 773: 763: 753: 743: 741:Holthuis, 1949 733: 731:Holthuis, 1950 723: 721:Holthuis, 1949 713: 711:Holthuis, 1996 703: 693: 691:Holthuis, 1949 683: 681:Coughran, 2005 673: 663: 653: 643: 633: 623: 617:Cherax esculus 613: 603: 593: 583: 573: 563: 553: 551:Holthuis, 1949 543: 533: 523: 513: 503: 501:Holthuis, 1949 493: 491:Holthuis, 1949 483: 473: 463: 453: 447:Cherax austini 443: 437:Cherax aruanus 433: 427:Cherax alyciae 423: 417:Cherax albidus 413: 403: 392: 372: 369: 345: 342: 321:Both sexes of 300: 297: 292: 289: 230: 227: 178: 177: 169: 168: 166:Erichson, 1846 165: 156: 155: 149: 148: 134: 130: 129: 124: 120: 119: 114: 110: 109: 104: 100: 99: 94: 90: 89: 84: 80: 79: 74: 70: 69: 64: 60: 59: 46: 45: 37: 36: 28: 27: 15: 9: 6: 4: 3: 2: 1831: 1820: 1817: 1815: 1812: 1811: 1809: 1792: 1787: 1783: 1779: 1774: 1770: 1766: 1761: 1757: 1753: 1748: 1744: 1740: 1735: 1731: 1727: 1722: 1718: 1714: 1709: 1705: 1701: 1696: 1692: 1688: 1683: 1679: 1675: 1670: 1666: 1662: 1657: 1653: 1649: 1644: 1640: 1636: 1631: 1627: 1622: 1616: 1612: 1607: 1601: 1597: 1596: 1594: 1592: 1588: 1584: 1579: 1562: 1561: 1556: 1549: 1540: 1535: 1531: 1527: 1526: 1521: 1519: 1515: 1511: 1502: 1500: 1491: 1487: 1483: 1479: 1475: 1471: 1470: 1465: 1461: 1457: 1450: 1442: 1438: 1436: 1428: 1412: 1408: 1404: 1400: 1398: 1389: 1380: 1375: 1371: 1367: 1366: 1361: 1359: 1358:Cherax dispar 1350: 1348: 1346: 1344: 1335: 1331: 1326: 1321: 1317: 1313: 1312: 1307: 1305: 1296: 1288: 1284: 1279: 1274: 1269: 1264: 1260: 1256: 1255: 1250: 1243: 1241: 1232: 1228: 1223: 1218: 1214: 1210: 1206: 1202: 1201: 1193: 1177: 1173: 1169: 1163: 1147: 1146: 1145:New Scientist 1141: 1134: 1132: 1123: 1119: 1115: 1111: 1107: 1103: 1102: 1097: 1090: 1088: 1076: 1069: 1061: 1057: 1053: 1049: 1043: 1037: 1035: 1031: 1027: 1017: 1013: 1000: 999: 995: 990: 989: 985: 980: 979: 975: 970: 969: 965: 962:(Smith, 1912) 960: 959: 955: 950: 949: 945: 943: 936: 935: 931: 926: 925: 921: 916: 915: 911: 906: 905: 901: 896: 895: 891: 886: 885: 881: 876: 875: 871: 866: 865: 861: 858:Lukhaup, 2015 856: 855: 851: 846: 839: 838: 834: 829: 828: 824: 819: 818: 817:Cherax peknyi 814: 809: 808: 807:Cherax parvus 804: 799: 798: 794: 789: 788: 784: 779: 778: 774: 769: 768: 764: 759: 758: 754: 749: 748: 744: 739: 738: 737:Cherax murido 734: 729: 728: 724: 719: 718: 714: 709: 708: 704: 699: 698: 694: 689: 688: 684: 679: 678: 677:Cherax leckii 674: 669: 668: 664: 659: 658: 654: 649: 648: 644: 639: 638: 637:Cherax glaber 634: 629: 628: 624: 619: 618: 614: 609: 608: 607:Cherax dispar 604: 599: 598: 594: 589: 588: 584: 579: 578: 577:Cherax davisi 574: 569: 568: 564: 559: 558: 554: 549: 548: 544: 539: 538: 534: 529: 528: 524: 519: 518: 514: 509: 508: 507:Cherax cainii 504: 499: 498: 494: 489: 488: 484: 479: 478: 474: 469: 468: 464: 459: 458: 454: 449: 448: 444: 439: 438: 434: 429: 428: 424: 419: 418: 414: 409: 408: 404: 399: 398: 394: 393: 391: 386: 382: 377: 368: 366: 362: 358: 354: 349: 341: 339: 338:Cherax dispar 334: 330: 328: 324: 315: 311: 308: 303: 296: 288: 286: 285:C. acherontis 282: 278: 274: 269: 267: 263: 259: 255: 254:C. destructor 251: 246: 244: 240: 236: 226: 224: 223: 218: 214: 210: 206: 202: 198: 194: 190: 186: 185: 175: 170: 163: 162: 157: 154: 150: 145: 140: 139: 135: 132: 131: 128: 125: 122: 121: 118: 115: 112: 111: 108: 105: 102: 101: 98: 95: 92: 91: 88: 85: 82: 81: 78: 75: 72: 71: 68: 65: 62: 61: 56: 51: 47: 44: 43: 38: 34: 29: 26: 22: 19: 1814:Parastacidae 1590: 1564:. 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Retrieved 1143: 1105: 1099: 1095: 1068: 1051: 1047: 1033: 1029: 1025: 1016: 996: 986: 976: 966: 956: 948:Cherax solus 946: 941: 932: 928:(Riek, 1951) 922: 912: 902: 892: 888:(Gray, 1845) 882: 872: 862: 852: 844: 835: 831:(Hess, 1865) 825: 815: 805: 795: 785: 775: 765: 755: 745: 735: 725: 715: 707:Cherax minor 705: 695: 685: 675: 665: 655: 645: 635: 625: 615: 605: 595: 585: 575: 565: 555: 545: 535: 525: 515: 511:Austin, 2002 505: 495: 485: 475: 471:(Gray, 1845) 465: 455: 445: 435: 425: 421:Clarke, 1936 415: 411:Nobili, 1899 405: 395: 389: 385:C. holthuisi 384: 381:C. boesemani 380: 364: 360: 352: 350: 347: 337: 335: 331: 322: 320: 306: 304: 302: 299:Reproduction 294: 284: 277:Paniai Lakes 272: 270: 253: 250:common yabby 247: 232: 220: 192: 188: 183: 182: 181: 159: 153:Type species 137: 136: 127:Parastacidae 97:Malacostraca 40: 24: 18: 1708:iNaturalist 1615:Wikispecies 1417:24 November 1254:BMC Biology 1222:2158/252681 1036:rRNA genes" 918:Clark, 1941 868:Clark, 1936 771:Short, 1991 601:Clark, 1936 581:Clark, 1941 531:Short, 1993 461:Clark, 1941 281:cave-living 266:aestivating 117:Pleocyemata 1808:Categories 1168:"Crayfish" 1009:References 992:Riek, 1969 972:Riek, 1969 908:Riek, 1951 898:Riek, 1951 761:Riek, 1969 751:Riek, 1967 701:Roux, 1911 661:Riek, 1969 651:Riek, 1967 641:Riek, 1967 621:Riek, 1956 611:Riek, 1951 591:Riek, 1951 571:Riek, 1969 561:Riek, 1967 537:Cherax cid 521:Riek, 1969 441:Roux, 1911 291:Introduced 217:New Guinea 209:freshwater 113:Suborder: 87:Arthropoda 1566:25 August 1464:gherardii 1261:(1): 25. 1032:rRNA and 361:C. dispar 353:C. dispar 344:Behaviour 222:Euastacus 213:Australia 73:Kingdom: 67:Eukaryota 1606:Q2702517 1600:Wikidata 1490:26249463 1287:20353555 1231:84513148 1122:29245414 365:. dispar 327:cheliped 201:crayfish 144:Erichson 123:Family: 107:Decapoda 83:Phylum: 77:Animalia 63:Domain: 1739:1133542 1726:1069681 1700:4417557 1469:Zootaxa 1395:"Genus 1334:1549258 1278:2867775 1101:Zootaxa 371:Species 351:Female 258:lowland 243:streams 229:Habitat 203:in the 193:yabbies 133:Genus: 103:Order: 93:Class: 1791:877788 1674:238450 1635:Cherax 1621:Cherax 1591:Cherax 1514:Cherax 1510:Cherax 1488:  1456:Cherax 1435:Cherax 1397:Cherax 1332:  1285:  1275:  1229:  1182:27 May 1152:28 May 1120:  1026:Cherax 323:Cherax 307:Cherax 273:Cherax 241:, and 239:rivers 184:Cherax 146:, 1846 138:Cherax 25:Cherax 1786:WoRMS 1778:79854 1721:IRMNG 1713:87399 1661:7NSKZ 1330:JSTOR 1227:S2CID 1078:(PDF) 940:syn. 843:syn. 355:uses 235:lakes 197:genus 189:yabby 1765:6722 1760:NCBI 1734:ITIS 1695:GBIF 1648:5592 1643:BOLD 1568:2015 1560:Time 1486:PMID 1474:3964 1419:2015 1283:PMID 1184:2022 1154:2015 1118:PMID 1106:4363 215:and 1747:NBN 1656:CoL 1630:AFD 1534:doi 1478:doi 1374:doi 1320:doi 1273:PMC 1263:doi 1217:hdl 1209:doi 1205:274 1110:doi 1056:doi 1042:PDF 1034:16S 1030:12S 383:or 1810:: 1788:: 1775:: 1762:: 1749:: 1736:: 1723:: 1710:: 1697:: 1684:: 1671:: 1658:: 1645:: 1632:: 1617:: 1602:: 1557:. 1530:35 1528:. 1522:. 1516:) 1498:^ 1484:. 1472:. 1462:) 1439:. 1405:. 1401:. 1370:22 1368:. 1362:. 1360:)" 1342:^ 1328:. 1316:19 1314:. 1308:. 1281:. 1271:. 1257:. 1251:. 1239:^ 1225:. 1215:. 1203:. 1170:. 1142:. 1130:^ 1116:. 1104:. 1086:^ 1052:18 1050:. 1046:. 287:. 237:, 1570:. 1542:. 1536:: 1512:( 1508:" 1492:. 1480:: 1458:( 1443:. 1437:" 1433:" 1421:. 1382:. 1376:: 1336:. 1322:: 1306:" 1289:. 1265:: 1259:8 1233:. 1219:: 1211:: 1186:. 1156:. 1124:. 1112:: 1058:: 1044:) 1040:( 252:( 191:/

Index


Cherax destructor
Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Malacostraca
Decapoda
Pleocyemata
Parastacidae
Cherax
Erichson
Type species
Astacus preissii

genus
crayfish
Southern Hemisphere
freshwater
Australia
New Guinea
Euastacus
lakes
rivers
streams
common yabby
lowland
Murray–Darling Basin
aestivating

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