77:
33:
52:
273:(SL) and a maximum recorded weight of 29.7 g (1.05 oz). The body is compressed laterally and is subrhomboidal. It is a silvery fish with a green or blue tint on the back, and there is a dark spot, starting on the caudal peduncle, that reaches the posterior margin of the caudal fin. Its fins, while largely transparent, can also have a slight red, orange, or yellow tint.
611:
has a split spawning season, with higher reproduction activity in April and
October. These months correspond with periods of higher water temperature and greater rainfall. In female fish, the length of the body is positively correlated with the size of the ovaries, so a period of greater reproductive
627:
Other studies report that the juveniles are more herbivorous than the adults, but this is likely explained by environmental differences; there is also evidence that general food abundance influences diet (such as increased allochthonous plant consumption in areas with plentiful riparian vegetation),
623:
is a highly-adaptable omnivore that lives in regions strongly influenced by flood cycles. The intestines can become larger in periods of food scarcity, which allows it to eat items that are more difficult for it to digest, like plant material. Juveniles, being smaller, are not afforded as much
280:
on each side behind the top of the head ("humeral" means "around or related to the shoulder", as in "humerus"). This spot manifests as a horizontal oval, and the humeral region also sports two vertical brown bars. There is a black lateral stripe, just above the lateral line, that starts at the
544:
can develop reversible dermal extensions, possibly as a way to increase the efficacy of aquatic surface respiration (ASR). Previous research on similar traits had revealed a demonstrable link between morphological plasticity and ASR, and this is likely to remain the case in
392:- that is, two or more possible species that are currently considered synonymous because of remarkable similarity, but that cannot reproduce with each other. A. abramis is no exception to this and is considered a cryptic species. It is also a part of the
1150:"Review of species of the Astyanax bimaculatus "caudal peduncle spot" subgroup sensu Garutti & Langeani (Characiformes, Characidae) from the rio La Plata and rio São Francisco drainages and coastal systems of southern Brazil and Uruguay"
1195:
Rossini, Bruno César; Oliveira, Carlos
Alexandre Miranda; Melo, Filipe Augusto Gonçalves de; Bertaco, Vinicius de Araújo; Astarloa, Juan M. Díaz de; Rosso, Juan J.; Foresti, Fausto; Oliveira, Claudio (2016-12-19). Rétaux, Sylvie (ed.).
758:"Basic cytogenetics and physical mapping of ribosomal genes in four Astyanax species (Characiformes, Characidae) collected in Middle Paraná River, Iguassu National Park: considerations on taxonomy and systematics of the genus"
496:
River basins. It is most often found in lentic (still water) environments. Lentic environments, without the oxygenation provided by flowing water, are generally lower in dissolved oxygen, which has resulted in
647:
as "Least
Concern" due to its wide distribution and the fact that it can easily be collected in various locations. For instance, in an evaluation of the fish fauna of the Yabotí stream, Hirt et al. ranked
1612:"Supplemental observations on the morphology of Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitizing two species of Astyanax (Characiformes: Characidae) and ecological analyses"
632:
in the trophic system changes depending on the region. Disregarding age, however, smaller adults also tend to be more carnivorous than larger adults, further diversifying observed feeding habits.
940:"New insights into patterns and rates of tooth replacement in serrasalmid and characid fishes, with implications for the subsistence fishery of P eru's remote ribereños villages"
1113:
219:
River basins. The body shape is subrhomboidal (somewhat rhomboidal) and laterally compressed, and the scales are largely silver, with a blue or green tint on the dorsal side.
1707:
1668:
1848:
312:
can be distinguished from female by the presence of small hooks or barbs on the anal-fin rays of male specimens. Females also tend to be more common than males.
1874:
1052:
1928:
1266:
Teixeira, Thais K. S. S.; Venere, Paulo C.; Ferreira, Daniela C.; Mariotto, Sandra; Castro, Jonathan P.; Artoni, Roberto F.; Centofante, Liano (2018-03-26).
1008:
Leite, Erica
Ferreira; Godoi, Divina Sueide de; Jacyntho, Luiz Antonio; Maceno, Jhonathan Ferreira Santos; Duarte, Cristiane Regina do Amaral (2021).
1822:
1342:
879:
902:
1861:
458:
warrior. Why the genus has this name was not made clear in the original text, but could possibly refer to the large, armor-like scales of species
1646:
Plasticidad alimenticia de
Astyanax abramis (Characidae) en rios de alta y baja conductividad en la subcuenca del Chapare (Cochabamba - Bolivia)
296:
lacks maxillary teeth, which can be used to tell it apart from various other similar congeners; however, the premaxilla still sports teeth, and
1953:
1938:
1463:"First record of Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina"
1963:
1508:
442:, a leuciscid that has a similar body shape (described as "subrhomboidal"). The genus name "Astyanax" comes from a figure in Homer's
1948:
1086:
1900:
938:
Stuart, Courtney E.; Green, Stephanie J.; Vernygora, Oksana; LeBlanc, Aaron R. H.; Bertschi, Mary H.; Brown, Maria (April 2021).
725:
1933:
1127:
1866:
339:, who collected the type specimens in the 19th century. At one point, it was described as a separate species under the name
1010:"FEEDING HABITS AND REPRODUCTIVE BIOLOGY OF ASTYANAX ABRAMIS/HÁBITO ALIMENTAR E BIOLOGIA REPRODUTIVA DE ASTYANAX ABRAMIS"
1395:"Morphological plasticity associated with environmental hypoxia in characiform fishes from neotropical floodplain lakes"
1770:
1685:
Alimentación de
Astyanax abramis (Characiformes: Characidae) en el Embalse Cabra Corral, Salta, Noroeste de Argentina
1076:
652:
as the ninth most abundant species, and the Yabotí stream is largely within the protected Yabotí Biosphere
Reserve.
1879:
901:
Azpelicueta, M. de las
Mercedes; Mirande, J. Marcos; Almirón, Adriana E.; Casciotta, Jorge R. (11 September 2003).
1968:
76:
1973:
1958:
1943:
1643:
Thierry, Rejas, D.A. (ed.) Aguirre, L.F. (ed.) Zepita,C. Ibanez,C. Bigorne, Rémy
Zubieta,J. Oberdorff (2008).
583:. Because it is an unspecialized feeder that also eats other fish, sympatry with smaller species is unlikely.
485:
1009:
1723:
288:
also has 42 to 48 lateral-line scales; this can be used to differentiate it from closely related congener
1775:
1552:"Aquatic surface respiration and swimming behaviour in adult and developing zebrafish exposed to hypoxia"
292:, which has 36 to 39. The scales are generally small, with concentric grooves near the posterior margin.
284:
Morphometric characteristics include 1 dorsal-fin spine, 10 dorsal-fin rays, and 30 to 34 anal-fin rays.
921:
827:
246:
171:
1761:
1905:
1892:
696:
1796:
1406:
1209:
1109:
1047:
951:
240:
420:. This is the origin of its specific epithet - "oides" means "having the shape of". The basionym of
347:. In 2016, its classification as a species was confirmed as valid, and it received a redescription.
41:
1701:
1662:
1589:
1440:
1029:
983:
71:
1393:
Scarabotti, Pablo A.; López, Javier A.; Ghirardi, Romina; Parma, María
Julieta (November 2011).
501:
developing adaptations to such conditions, including morphological plasticity (albeit limited).
208:
1853:
756:
Paiz, Leonardo; Baumgätner, Lucas; Júnio da Graça, Weferson; Margarido, Vladimir (2015-02-09).
1783:
1689:
1650:
1581:
1573:
1432:
1289:
1245:
1227:
1177:
1169:
1122:
1082:
975:
967:
842:
797:
779:
335:
prescribed this name in 1842, building from the work of well-known English natural historian
1623:
1611:
1563:
1484:
1474:
1422:
1414:
1279:
1268:"Comparative cytogenetics of Astyanax (Teleostei: Characidae) from the upper Paraguay basin"
1235:
1217:
1161:
1021:
959:
787:
769:
691:
32:
580:
525:
396:
389:
270:
235:
223:
148:
529:
1410:
1213:
955:
939:
673:
1240:
1197:
792:
757:
336:
332:
188:
118:
549:. ASR is a trait in many species of fish that need to cope with hypoxic environments.
1922:
1593:
1394:
1033:
987:
721:
682:
644:
591:
361:
204:
128:
61:
56:
1444:
624:
flexibility, and as such are sometimes more carnivorous than the omnivorous adults.
489:
438:
277:
212:
1788:
1610:
Gallas, Moisés; Calegaro-Marques, Cláudia; Bencke-Amato, Suzana (September 2015).
774:
269:
is a small fish that has a maximum recorded length of 14 cm (5.5 in) in
258:
is a particularly speciose genus wherein cryptics and complexes are not uncommon.
1222:
1835:
1755:
1746:
1462:
1284:
1267:
207:. It is plentiful in almost the entire continent, with a habitat including the
1628:
1418:
1165:
493:
216:
138:
1693:
1654:
1577:
1436:
1293:
1231:
1173:
971:
846:
783:
596:
has been recorded from a wide variety of neotropical fish species, including
509:
88:
1585:
1507:
Ojeda, Alejandra Paola; Zapata, Pedro Darío; Hirt, Lourdes M. (June 2012).
1249:
1181:
1149:
979:
801:
230:
could possibly constitute multiple species that are currently undescribed.
1809:
1740:
1366:"Order CHARACIFORMES: Family CHARACIDAE: Subfamily STETHAPRIONINAE (a-g)"
1309:"Order CHARACIFORMES: Family CHARACIDAE: Subfamily STETHAPRIONINAE (h-t)"
1025:
734:
556:
521:
447:
355:
325:
108:
1814:
1427:
1827:
1568:
1551:
1489:
1479:
563:. It is also known to live in sympatry with other congeners, including
517:
513:
408:
1840:
1550:
Abdallah, Sara J.; Thomas, Benjamin S.; Jonz, Michael G. (June 2015).
1365:
1333:
1308:
963:
870:
1683:
1644:
1461:
Terán, Guillermo; Aguilera, Gastón; Mirande, Juan (14 October 2014).
589:
is also subject to parasite infestation. The parasitic nematode worm
505:
504:
The relevant habitat stretches through multiple countries, including
451:
308:
While there are few morphometric differences between the sexes, male
98:
1717:
300:
is believed to demonstrate unilateral replacement of missing teeth.
1887:
1148:
Lucena, Carlos Alberto S. De; Soares, Helena Gouvea (2016-01-28).
907:(Characiformes, Characidae) from Paraná river basin in Argentina"
455:
1801:
1721:
1198:"Highlighting Astyanax Species Diversity through DNA Barcoding"
436:
The specific name "abramis" is an allusion to European species
1307:
Scharpf, Christopher; Lazara, Kenneth J. (15 September 2020).
1364:
Scharpf, Christopher; Lazara, Kenneth J. (29 December 2022).
826:
Terán, Guillermo E.; Mirande, J. Marcos (30 March 2019).
612:
activity is likely to have more large female specimens.
524:. Specific rivers, regions, and tributaries include the
238:
that includes itself and various congeners, including
203:
is a small freshwater fish from the inland rivers of
1688:. Universidad de Zaragoza: Facultad de Veterinaria.
1509:"Amplificación interespecífica de microsatélites de
1730:
1513:, utilizando cebadores para la especie emparentada
1112:; Fricke, Ron & van der Laan, Richard (eds.).
697:10.2305/IUCN.UK.2023-1.RLTS.T49830660A85567339.en
1523:microsatellites using primers for the related
751:
749:
747:
745:
1053:National Center for Biotechnology Information
8:
1706:: CS1 maint: multiple names: authors list (
1667:: CS1 maint: multiple names: authors list (
1718:
1081:. Cambridge University Press. p. 33.
821:
819:
817:
815:
813:
811:
716:
714:
343:, but this name has been synonymized with
50:
31:
20:
1627:
1567:
1488:
1478:
1426:
1283:
1239:
1221:
791:
773:
695:
1343:Global Biodiversity Information Facility
880:Global Biodiversity Information Facility
914:Revista del Museo de la Plata, Zoología
661:
1699:
1660:
865:
863:
667:
665:
416:was believed to be closely related to
1605:
1603:
1502:
1500:
1456:
1454:
1388:
1386:
1261:
1259:
7:
1893:EA624EAC-2954-4F5A-061F-F4CFA977CD9C
1519:[Interspecific amplification of
1003:
1001:
999:
997:
1929:IUCN Red List least concern species
1556:The Journal of Experimental Biology
683:IUCN Red List of Threatened Species
540:In environments of strong hypoxia,
250:, which is very closely related to
244:, the namesake of the complex, and
14:
1682:Eugenia, Barros, Silvina (2004).
1616:Revista Mexicana de Biodiversidad
1075:Pauly, Daniel (17 August 2007).
1014:Brazilian Journal of Development
281:humeral spot or just behind it.
75:
1529:Revista de Ciencia y Tecnología
1399:Environmental Biology of Fishes
1128:California Academy of Sciences
384:Multiple species in the genus
1:
775:10.3897/CompCytogen.v9i1.9002
628:which means that the role of
469:is one of various species of
1954:Freshwater fish of Argentina
1939:Taxa named by Leonard Jenyns
1223:10.1371/journal.pone.0167203
406:At the time of description,
920:(166): 1–12. Archived from
465:In terms of a common name,
1990:
1285:10.1590/1982-0224-20170092
643:has been evaluated by the
473:referred to as "lambari".
432:Etymology and nomenclature
1964:Freshwater fish of Brazil
1629:10.1016/j.rmb.2015.07.005
1419:10.1007/s10641-011-9850-y
1166:10.11646/zootaxa.4072.1.5
1116:Bertoniolus paraguayensis
594:(Spirocamallanus) hilarii
341:Bertoniolus paraguayensis
177:
170:
72:Scientific classification
70:
48:
39:
30:
23:
1949:Fish of the Amazon basin
762:Comparative Cytogenetics
738:. February 2023 version.
724:; Pauly, Daniel (eds.).
690:: e.T49830660A85567339.
477:Distribution and habitat
254:and looks very similar.
1272:Neotropical Ichthyology
944:Journal of Fish Biology
488:, as well as the upper
329:Tetragonopterus abramis
1934:Fish described in 1842
579:, specifically in the
320:When first described,
1110:Eschmeyer, William N.
450:, who was the son of
331:. English naturalist
1562:(Pt 11): 1777–1786.
1114:"Species related to
1026:10.34117/bjdv7n1-176
559:with sister species
484:can be found in the
394:Astyanax bimaculatus
241:Astyanax bimaculatus
234:is also a part of a
1411:2011EnvBF..92..391S
1370:The ETYFish Project
1336:Astyanax abramoides
1313:The ETYFish Project
1214:2016PLoSO..1167203R
956:2021JFBio..98.1196S
636:Conservation status
536:Ecology and biology
426:Astyanax abramoides
42:Conservation status
1569:10.1242/jeb.116343
1525:astyanax fasciatus
1515:Astyanax fasciatus
1480:10.15560/10.5.1231
1048:"Astyanax abramis"
903:"A new species of
401:Astyanax lacustris
354:, there are three
247:Astyanax lacustris
1916:
1915:
1724:Taxon identifiers
1531:(in Spanish) (17)
1123:Catalog of Fishes
964:10.1111/jfb.14634
839:Universo Tucumano
672:Lima, F. (2023).
573:A. eigenmanniorum
304:Sexual dimorphism
196:
195:
65:
1981:
1969:Fish of Paraguay
1909:
1908:
1896:
1895:
1883:
1882:
1870:
1869:
1857:
1856:
1844:
1843:
1831:
1830:
1818:
1817:
1805:
1804:
1792:
1791:
1779:
1778:
1766:
1765:
1764:
1762:Astyanax abramis
1751:
1750:
1749:
1732:Astyanax abramis
1719:
1712:
1711:
1705:
1697:
1679:
1673:
1672:
1666:
1658:
1640:
1634:
1633:
1631:
1607:
1598:
1597:
1571:
1547:
1541:
1540:
1538:
1536:
1521:Astyanax abramis
1511:Astyanax abramis
1504:
1495:
1494:
1492:
1482:
1473:(5): 1231–1233.
1458:
1449:
1448:
1430:
1390:
1381:
1380:
1378:
1376:
1361:
1355:
1354:
1352:
1350:
1330:
1324:
1323:
1321:
1319:
1304:
1298:
1297:
1287:
1263:
1254:
1253:
1243:
1225:
1208:(12): e0167203.
1192:
1186:
1185:
1145:
1139:
1138:
1136:
1134:
1106:
1100:
1099:
1097:
1095:
1072:
1066:
1065:
1063:
1061:
1044:
1038:
1037:
1020:(1): 2582–2597.
1005:
992:
991:
950:(4): 1196–1201.
935:
929:
928:
926:
911:
898:
892:
891:
889:
887:
873:Astyanax abramis
867:
858:
857:
855:
853:
836:
830:Astyanax abramis
823:
806:
805:
795:
777:
753:
740:
739:
728:Astyanax Abramis
718:
709:
708:
706:
704:
699:
676:Astyanax abramis
669:
641:Astyanax abramis
621:Astyanax abramis
609:Astyanax abramis
587:Astyanax abramis
569:A. asuncionensis
553:Astyanax abramis
482:Astyanax abramis
276:There is a dark
267:Abramis astyanax
200:Astyanax abramis
183:
181:Astyanax abramis
80:
79:
59:
54:
53:
35:
25:Astyanax abramis
21:
1989:
1988:
1984:
1983:
1982:
1980:
1979:
1978:
1974:Fish of Uruguay
1959:Fish of Bolivia
1944:Astyanax (fish)
1919:
1918:
1917:
1912:
1904:
1899:
1891:
1886:
1878:
1873:
1865:
1860:
1852:
1847:
1839:
1834:
1826:
1821:
1813:
1808:
1800:
1795:
1787:
1782:
1774:
1769:
1760:
1759:
1754:
1745:
1744:
1739:
1726:
1716:
1715:
1698:
1681:
1680:
1676:
1659:
1642:
1641:
1637:
1609:
1608:
1601:
1549:
1548:
1544:
1534:
1532:
1506:
1505:
1498:
1460:
1459:
1452:
1392:
1391:
1384:
1374:
1372:
1363:
1362:
1358:
1348:
1346:
1332:
1331:
1327:
1317:
1315:
1306:
1305:
1301:
1265:
1264:
1257:
1194:
1193:
1189:
1147:
1146:
1142:
1132:
1130:
1108:
1107:
1103:
1093:
1091:
1089:
1078:Darwin's Fishes
1074:
1073:
1069:
1059:
1057:
1046:
1045:
1041:
1007:
1006:
995:
937:
936:
932:
927:on 9 July 2020.
924:
909:
900:
899:
895:
885:
883:
869:
868:
861:
851:
849:
834:
825:
824:
809:
755:
754:
743:
720:
719:
712:
702:
700:
671:
670:
663:
658:
638:
618:
606:
581:Juramento River
538:
479:
434:
397:species complex
388:are considered
379:Poecilurichthys
367:Poecilurichthys
318:
306:
271:standard length
264:
236:species complex
224:cryptic species
192:
185:
179:
166:
163:A. abramis
74:
66:
55:
51:
44:
17:
16:Species of fish
12:
11:
5:
1987:
1985:
1977:
1976:
1971:
1966:
1961:
1956:
1951:
1946:
1941:
1936:
1931:
1921:
1920:
1914:
1913:
1911:
1910:
1897:
1884:
1871:
1858:
1845:
1832:
1819:
1806:
1793:
1780:
1767:
1752:
1736:
1734:
1728:
1727:
1722:
1714:
1713:
1674:
1635:
1622:(3): 590–596.
1599:
1542:
1496:
1450:
1405:(3): 391–402.
1382:
1356:
1325:
1299:
1255:
1187:
1160:(1): 101–125.
1140:
1101:
1087:
1067:
1039:
993:
930:
893:
859:
807:
741:
722:Froese, Rainer
710:
660:
659:
657:
654:
637:
634:
617:
614:
605:
602:
537:
534:
528:, Yabotí, and
486:La Plata basin
478:
475:
433:
430:
337:Charles Darwin
333:Leonard Jenyns
324:was given the
317:
314:
305:
302:
263:
260:
194:
193:
186:
175:
174:
168:
167:
160:
158:
154:
153:
146:
142:
141:
136:
132:
131:
126:
122:
121:
119:Actinopterygii
116:
112:
111:
106:
102:
101:
96:
92:
91:
86:
82:
81:
68:
67:
49:
46:
45:
40:
37:
36:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
1986:
1975:
1972:
1970:
1967:
1965:
1962:
1960:
1957:
1955:
1952:
1950:
1947:
1945:
1942:
1940:
1937:
1935:
1932:
1930:
1927:
1926:
1924:
1907:
1902:
1898:
1894:
1889:
1885:
1881:
1876:
1872:
1868:
1863:
1859:
1855:
1850:
1846:
1842:
1837:
1833:
1829:
1824:
1820:
1816:
1811:
1807:
1803:
1798:
1794:
1790:
1785:
1781:
1777:
1772:
1768:
1763:
1757:
1753:
1748:
1742:
1738:
1737:
1735:
1733:
1729:
1725:
1720:
1709:
1703:
1695:
1691:
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439:Abramis brama
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422:J. abramoides
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1836:iNaturalist
1756:Wikispecies
1535:17 February
1490:11336/13025
1375:17 February
1349:17 February
1318:17 February
1133:17 February
1094:17 February
1060:17 February
886:17 February
852:17 February
832:(Mojarrón)"
577:A. lineatus
262:Description
1923:Categories
1467:Check List
656:References
650:A. abramis
630:A. abramis
598:A. abramis
547:A. abramis
542:A. abramis
499:A. abramis
467:A. abramis
454:, a famed
418:A. abramis
375:A. abramis
371:Zygogaster
345:A. abramis
322:A. abramis
310:A. abramis
298:A. abramis
294:A. abramis
286:A. abramis
252:A. abramis
232:A. abramis
228:A. abramis
139:Characidae
1702:cite book
1694:803587389
1663:cite book
1655:959938976
1594:207171848
1578:1477-9145
1437:0378-1909
1294:1982-0224
1232:1932-6203
1174:1175-5334
1034:234215105
988:227236074
972:0022-1112
847:2618-3161
784:1993-078X
555:lives in
526:Juramento
510:Argentina
360:Astyanax
356:subgenera
157:Species:
95:Kingdom:
89:Eukaryota
1854:10454308
1810:FishBase
1747:Q4746133
1741:Wikidata
1649:. UMSS.
1586:25944921
1445:26086109
1250:27992537
1202:PLOS ONE
1182:27395912
980:33249600
905:Astyanax
802:25893074
735:FishBase
522:Paraguay
471:Astyanax
448:Astyanax
412:species
386:Astyanax
352:Astyanax
326:basionym
316:Taxonomy
256:Astyanax
211:, upper
209:La Plata
150:Astyanax
135:Family:
109:Chordata
105:Phylum:
99:Animalia
85:Domain:
62:IUCN 3.1
1906:1418409
1828:5204266
1527:].
1407:Bibcode
1241:5167228
1210:Bibcode
1154:Zootaxa
952:Bibcode
793:4387380
565:A. puka
557:syntopy
518:Uruguay
514:Bolivia
409:Jupiaba
390:cryptic
350:Within
191:, 1842)
145:Genus:
125:Order:
115:Class:
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530:Parana
520:, and
506:Brazil
490:Amazon
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369:, and
215:, and
213:Amazon
189:Jenyns
1901:WoRMS
1888:Plazi
1849:IRMNG
1815:12911
1590:S2CID
1441:S2CID
1278:(1).
1030:S2CID
984:S2CID
925:(PDF)
910:(PDF)
835:(PDF)
703:7 May
444:Iliad
222:As a
1875:NCBI
1862:ITIS
1823:GBIF
1789:J5PP
1771:BOLD
1708:link
1690:OCLC
1669:link
1651:OCLC
1582:PMID
1574:ISSN
1537:2023
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688:2023
616:Diet
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