33:
55:
674:
on the snout may sometimes be extremely hypertrophied. Most species are dark gray, with lighter colouration on the abdomen. In some species, there are light-colored spots or blotches on the sides. Usually, the fins are similarly colored, but in some species there are bands on the
1027:
980:
926:
1216:
1177:
1203:
1311:
1301:
1255:
1316:
356:
1208:
756:, a new species from the Guyana Shield (Siluriformes: Loricariidae) with a molecular and morphological description of the
54:
602:
420:
311:
1138:
525:
496:
555:
1221:
387:
477:
365:
457:
597:
401:
373:
342:
848:
1273:
1306:
1296:
715:, a new species from southern Venezuela (Siluriformes: Loricariidae) with a redescription of Pseudancistrus"
589:
585:
568:
563:
551:
538:
534:
512:
327:
250:. There is no single morphological feature which distinguishes the group from related genera. Despite this,
41:
1091:
946:(Siluriformes: Loricariidae) from the Coppename River drainage, Central Suriname Nature Reserve, Suriname"
606:
576:
490:
424:
315:
306:
32:
1143:
614:
581:
530:
428:
361:
319:
1021:
974:
920:
504:
436:
415:
441:
1247:
791:
1260:
1164:
610:
467:
333:
449:
1129:
651:
546:
445:
1071:
407:
348:
170:
49:
1229:
1151:
908:
826:
517:
482:
393:
379:
1063:
962:
898:
888:
816:
806:
769:
731:
663:
230:
in 1862, and redescribed by
Jonathan Armbruster in 2004. Currently, there are 19 recognized
1234:
796:
group (Siluriformes, Loricariidae) with comments on its biogeography and dispersal routes"
647:
998:
903:
821:
227:
143:
96:
662:
There is a considerable variation in size within this genus, up to over 20 cm in
1290:
844:
631:
235:
204:
1075:
1042:
941:
876:
710:
676:
223:
200:
152:
116:
1156:
654:. They are associated with swift flowing water over gravel, cobble, and boulders.
1190:
1123:
500:
1114:
1067:
966:
773:
680:
219:
126:
893:
811:
735:
671:
639:
273:
along the snout and nonevertible cheek plates. It includes the five species
270:
255:
66:
912:
830:
670:. Most species are not able to evert their cheek plates. In some species,
1108:
857:
86:
1268:
1182:
1054:
953:
722:
635:
231:
106:
1195:
643:
76:
1085:
881:(Siluriformes, Loricariidae) from the Amazon basin, northern Brazil"
1242:
196:
1089:
1169:
997:
Lujan, N.K., Armbruster, J.W. & Sabaj, M.H. (June 2007).
1047:
from the RĂo CaronĂ, Venezuela (Siluriformes: Loricariidae)"
790:
Silva G.S.C.; Roxo F.F.; Britzke R.; Oliveira C. (2014).
301:
There are currently 19 recognized species in this genus:
1003:
from southern
Venezuela (Siluriformes: Loricariidae)"
875:
Silva, G.S.C., Roxo, F.F. & Oliveira, C. (2015).
752:
de
Chambrier, S. & Montoya-Burgos, J.I. (2008). "
940:
Willink, P.W., Mol, J.H. & Chernoff, B. (2010).
646:. They are also found in northeastern Brazil in the
1098:
942:"A new species of suckermouth armored catfish,
1041:Armbruster, J.W. & Taphorn, D.C. (2008).
265:group. This group comprises Guyanese derived
261:Within the genus there is what is called the
8:
1026:: CS1 maint: multiple names: authors list (
979:: CS1 maint: multiple names: authors list (
925:: CS1 maint: multiple names: authors list (
704:
702:
700:
698:
696:
870:
868:
747:
745:
1086:
1010:Ichthyological Explorations of Freshwaters
31:
20:
902:
892:
820:
810:
462:(Heitmans, Nijssen & IsbrĂĽcker, 1983)
992:
990:
692:
1019:
972:
918:
7:
1274:65E9F392-A294-426E-9C9E-1695549A3390
1248:6D2986FF-DFF7-6D60-BACB-F08BE7198C9C
785:
783:
246:, as well as the recently described
238:, with the inclusion of the genera
182:IsbrĂĽcker, Nijssen & Cala, 1988
679:or an orange or red edging to the
14:
666:, in the case of species such as
242:, the species formerly known as
53:
754:Pseudancistrus corantijniensis
357:Pseudancistrus corantijniensis
248:Pseudancistrus corantijniensis
1:
630:species are found around the
254:is generally recognized as a
201:suckermouth armored catfishes
1312:Taxa named by Pieter Bleeker
526:Pseudancistrus pectegenitor
1333:
458:Pseudancistrus longispinis
388:Pseudancistrus genisetiger
244:Hemiancistrus megacephalus
1068:10.11646/zootaxa.1731.1.3
967:10.11646/zootaxa.2332.1.3
774:10.11646/zootaxa.1918.1.5
709:Armbruster, J.W. (2004).
478:Pseudancistrus nigrescens
176:
169:
158:
151:
50:Scientific classification
48:
39:
30:
23:
1302:Catfish of South America
894:10.3897/zookeys.482.6909
861:. February 2024 version.
847:; Pauly, Daniel (eds.).
812:10.3897/zookeys.406.7011
736:10.11646/zootaxa.628.1.1
623:Distribution and habitat
598:Pseudancistrus zawadzkii
402:Pseudancistrus guentheri
374:Pseudancistrus depressus
343:Pseudancistrus coquenani
234:distributed in northern
218:is a genus in the tribe
794:Pseudancistrus barbatus
758:Pseudancistrus barbatus
713:Pseudancistrus sidereus
564:Pseudancistrus sidereus
513:Pseudancistrus papariae
328:Pseudancistrus barbatus
42:Pseudancistrus barbatus
1317:Freshwater fish genera
577:Pseudancistrus yekuana
491:Pseudancistrus orinoco
307:Pseudancistrus asurini
269:bearing hypertrophied
226:. It was described by
944:Pseudancistrus kwinti
437:Pseudancistrus kwinti
416:Pseudancistrus kayabi
999:"Two new species of
877:"Two new species of
792:"New species of the
468:Pseudancistrus niger
652:Rio Grande do Norte
547:Pseudancistrus reus
160:Hypostomus barbatus
1043:"A new species of
849:"Species in genus
279:P. corantijniensis
164:Valenciennes, 1840
1284:
1283:
1230:Open Tree of Life
1092:Taxon identifiers
618:
593:
572:
559:
542:
521:
508:
486:
473:
463:
453:
432:
411:
397:
383:
369:
352:
338:(Bearded catfish)
337:
323:
222:of the subfamily
188:
187:
183:
147:
1324:
1277:
1276:
1264:
1263:
1251:
1250:
1238:
1237:
1225:
1224:
1212:
1211:
1199:
1198:
1186:
1185:
1173:
1172:
1160:
1159:
1147:
1146:
1134:
1133:
1132:
1119:
1118:
1117:
1087:
1080:
1079:
1051:
1038:
1032:
1031:
1025:
1017:
1007:
994:
985:
984:
978:
970:
950:
937:
931:
930:
924:
916:
906:
896:
872:
863:
862:
841:
835:
834:
824:
814:
800:
787:
778:
777:
749:
740:
739:
719:
706:
683:and caudal fin.
601:
580:
567:
550:
529:
516:
494:
481:
471:
461:
440:
419:
405:
391:
377:
360:
346:
331:
310:
181:
142:
58:
57:
35:
21:
1332:
1331:
1327:
1326:
1325:
1323:
1322:
1321:
1287:
1286:
1285:
1280:
1272:
1267:
1259:
1254:
1246:
1241:
1233:
1228:
1220:
1215:
1207:
1202:
1194:
1189:
1181:
1176:
1168:
1163:
1155:
1150:
1142:
1137:
1128:
1127:
1122:
1113:
1112:
1107:
1094:
1084:
1083:
1049:
1040:
1039:
1035:
1018:
1005:
996:
995:
988:
971:
948:
939:
938:
934:
917:
874:
873:
866:
843:
842:
838:
798:
789:
788:
781:
751:
750:
743:
717:
708:
707:
694:
689:
668:P. pectegenitor
664:standard length
660:
625:
483:C. H. Eigenmann
299:
240:Lithoxancistrus
213:
179:Lithoxancistrus
165:
162:
141:
52:
17:
16:Genus of fishes
12:
11:
5:
1330:
1328:
1320:
1319:
1314:
1309:
1307:Catfish genera
1304:
1299:
1297:Pseudancistrus
1289:
1288:
1282:
1281:
1279:
1278:
1265:
1252:
1239:
1226:
1213:
1200:
1187:
1174:
1161:
1148:
1135:
1130:Pseudancistrus
1120:
1104:
1102:
1100:Pseudancistrus
1096:
1095:
1090:
1082:
1081:
1045:Pseudancistrus
1033:
1001:Pseudancistrus
986:
932:
887:(482): 21–34.
879:Pseudancistrus
864:
851:Pseudancistrus
845:Froese, Rainer
836:
779:
741:
691:
690:
688:
685:
659:
656:
628:Pseudancistrus
624:
621:
620:
619:
615:C. de Oliveira
603:G. S. C. Silva
594:
573:
560:
543:
522:
509:
487:
474:
472:(Norman, 1926)
464:
454:
433:
429:C. de Oliveira
421:G. S. C. Silva
412:
398:
384:
370:
366:Montoya-Burgos
353:
339:
324:
320:C. de Oliveira
312:G. S. C. Silva
298:
295:
267:Pseudancistrus
252:Pseudancistrus
228:Pieter Bleeker
216:Pseudancistrus
212:
209:
192:Pseudancistrus
186:
185:
174:
173:
167:
166:
163:
156:
155:
149:
148:
138:Pseudancistrus
134:
130:
129:
124:
120:
119:
114:
110:
109:
104:
100:
99:
97:Actinopterygii
94:
90:
89:
84:
80:
79:
74:
70:
69:
64:
60:
59:
46:
45:
37:
36:
28:
27:
25:Pseudancistrus
15:
13:
10:
9:
6:
4:
3:
2:
1329:
1318:
1315:
1313:
1310:
1308:
1305:
1303:
1300:
1298:
1295:
1294:
1292:
1275:
1270:
1266:
1262:
1257:
1253:
1249:
1244:
1240:
1236:
1231:
1227:
1223:
1218:
1214:
1210:
1205:
1201:
1197:
1192:
1188:
1184:
1179:
1175:
1171:
1166:
1162:
1158:
1153:
1149:
1145:
1140:
1136:
1131:
1125:
1121:
1116:
1110:
1106:
1105:
1103:
1101:
1097:
1093:
1088:
1077:
1073:
1069:
1065:
1061:
1057:
1056:
1048:
1046:
1037:
1034:
1029:
1023:
1016:(2): 163–174.
1015:
1011:
1004:
1002:
993:
991:
987:
982:
976:
968:
964:
960:
956:
955:
947:
945:
936:
933:
928:
922:
914:
910:
905:
900:
895:
890:
886:
882:
880:
871:
869:
865:
860:
859:
854:
852:
846:
840:
837:
832:
828:
823:
818:
813:
808:
805:(406): 1–23.
804:
797:
795:
786:
784:
780:
775:
771:
767:
763:
759:
755:
748:
746:
742:
737:
733:
729:
725:
724:
716:
714:
705:
703:
701:
699:
697:
693:
686:
684:
682:
678:
673:
669:
665:
657:
655:
653:
649:
648:Rio Jaguaribe
645:
641:
637:
633:
632:Guiana Shield
629:
622:
616:
612:
608:
604:
600:
599:
595:
591:
587:
583:
579:
578:
574:
570:
566:
565:
561:
557:
553:
549:
548:
544:
540:
536:
532:
528:
527:
523:
519:
515:
514:
510:
506:
502:
498:
493:
492:
488:
484:
480:
479:
475:
470:
469:
465:
460:
459:
455:
451:
447:
443:
439:
438:
434:
430:
426:
422:
418:
417:
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409:
404:
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399:
395:
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389:
385:
381:
376:
375:
371:
367:
363:
359:
358:
354:
350:
345:
344:
340:
335:
330:
329:
325:
321:
317:
313:
309:
308:
304:
303:
302:
296:
294:
292:
288:
287:P. nigrescens
284:
280:
276:
272:
268:
264:
259:
257:
253:
249:
245:
241:
237:
236:South America
233:
229:
225:
221:
217:
210:
208:
206:
205:South America
202:
198:
194:
193:
184:
180:
175:
172:
168:
161:
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:
1099:
1059:
1053:
1044:
1036:
1022:cite journal
1013:
1009:
1000:
975:cite journal
958:
952:
943:
935:
921:cite journal
884:
878:
856:
850:
839:
802:
793:
765:
761:
757:
753:
727:
721:
712:
667:
661:
627:
626:
596:
575:
562:
545:
524:
511:
489:
476:
466:
456:
435:
414:
400:
386:
372:
362:de Chambrier
355:
349:Steindachner
341:
334:Valenciennes
326:
305:
300:
291:P. zawadzkii
290:
286:
283:P. depressus
282:
278:
274:
266:
262:
260:
256:monophyletic
251:
247:
243:
239:
224:Hypostominae
215:
214:
191:
190:
189:
178:
177:
159:
153:Type species
137:
136:
117:Loricariidae
107:Siluriformes
40:
24:
18:
1191:iNaturalist
1124:Wikispecies
658:Description
590:Sabaj PĂ©rez
539:Sabaj PĂ©rez
275:P. barbatus
263:P. barbatus
1291:Categories
687:References
681:dorsal fin
677:caudal fin
586:Armbruster
569:Armbruster
552:Armbruster
535:Armbruster
220:Ancistrini
203:native to
127:Ancistrini
1062:: 33–41.
961:: 40–48.
768:: 45–58.
672:odontodes
640:Venezuela
497:IsbrĂĽcker
271:odontodes
73:Kingdom:
67:Eukaryota
1115:Q3014258
1109:Wikidata
1076:18271842
913:25709528
858:FishBase
831:24843279
760:group".
730:: 1–15.
450:Chernoff
211:Taxonomy
171:Synonyms
113:Family:
87:Chordata
83:Phylum:
77:Animalia
63:Domain:
1269:ZooBank
1183:2339879
1055:Zootaxa
954:Zootaxa
904:4337218
885:ZooKeys
822:4023244
803:ZooKeys
762:Zootaxa
723:Zootaxa
636:Guyanas
634:in the
611:Britzke
556:Taphorn
507:, 1988)
501:Nijssen
442:Willink
410:, 1904)
396:, 1941)
382:, 1868)
380:GĂĽnther
351:, 1915)
336:, 1840)
297:Species
258:group.
232:species
144:Bleeker
133:Genus:
123:Tribe:
103:Order:
93:Class:
1261:270559
1222:471096
1209:639101
1144:498943
1074:
911:
901:
829:
819:
644:Brazil
642:, and
617:, 2014
613:&
592:, 2007
588:&
571:, 2004
558:, 2008
554:&
541:, 2007
537:&
520:, 1941
518:Fowler
503:&
485:, 1912
452:, 2010
448:&
431:, 2015
427:&
394:Fowler
368:, 2008
364:&
322:, 2015
318:&
289:, and
146:, 1862
1256:WoRMS
1243:Plazi
1235:90501
1196:91400
1170:24600
1072:S2CID
1050:(PDF)
1006:(PDF)
949:(PDF)
799:(PDF)
718:(PDF)
582:Lujan
531:Lujan
408:Regan
197:genus
195:is a
1217:NCBI
1204:ITIS
1178:GBIF
1157:6YQK
1139:BOLD
1060:1731
1028:link
981:link
959:2332
927:link
909:PMID
827:PMID
766:1918
650:and
607:Roxo
505:Cala
425:Roxo
316:Roxo
1165:EoL
1152:CoL
1064:doi
963:doi
899:PMC
889:doi
817:PMC
807:doi
770:doi
732:doi
728:628
446:Mol
199:of
1293::
1271::
1258::
1245::
1232::
1219::
1206::
1193::
1180::
1167::
1154::
1141::
1126::
1111::
1070:.
1058:.
1052:.
1024:}}
1020:{{
1014:18
1012:.
1008:.
989:^
977:}}
973:{{
957:.
951:.
923:}}
919:{{
907:.
897:.
883:.
867:^
855:.
825:.
815:.
801:.
782:^
764:.
744:^
726:.
720:.
695:^
638:,
609:,
605:,
584:,
533:,
499:,
444:,
423:,
314:,
293:.
285:,
281:,
277:,
207:.
1078:.
1066::
1030:)
983:)
969:.
965::
929:)
915:.
891::
853:"
833:.
809::
776:.
772::
738:.
734::
711:"
495:(
406:(
392:(
378:(
347:(
332:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
