80:
55:
31:
254:
The fish was named in honor of
Warwick Estevam Kerr (1922-2018), a Brazilian agricultural engineer, geneticist, entomologist, and director of INPA the acronym for Instituto Nacional de Pesquisas da AmazĂ´nia, whose field station in NĂşcleo AripuanĂŁ, Mato Grosso, Brazil, is near the area where the type
461:
278:), and is generally less abundant than the latter, in the ratio 1/200 or less, although it can be quite abundant in some spots. It feeds mainly on insects that fell on the water surface.
638:
766:
677:
290:
fish where it is sold under the additional common names blue emperor tetra, purple emperor tetra, black emperor tetra, or regal tetra (not to be confused with
731:
612:
651:
761:
270:, a tributary of the AripuanĂŁ River. In its natural habitat it lives in very soft and slightly acidic waters with a pH between 6.0 and 6.8.
298:
requires similar-sized schooling fish that are not overly aggressive, as this species is prone to diseases when stressed in captivity.
703:
312:
756:
751:
486:
741:
656:
560:
275:
79:
682:
746:
395:
274:
is a very active and bold species and has been found schooling with another undescribed species (similar to
172:
513:
551:
565:
363:
195:
708:
586:
291:
151:
736:
396:"Inpaichthys kerri n. g. n. sp., um novo peixe caracĂdeo do alto rio AripuanĂŁ, Mato Grosso, Brasil"
44:
74:
669:
643:
690:
573:
244:
695:
407:
358:
340:
267:
168:
121:
725:
664:
349:
308:
131:
64:
59:
578:
30:
625:
545:
412:
161:
536:
141:
248:
91:
599:
530:
436:"Order CHARACIFORMES: Family CHARACIDAE: Subfamily STETHAPRIONINAE (h-t)"
435:
339:
Instituto Chico Mendes de
Conservação da Biodiversidade (ICMBio) (2022).
321:
287:
236:
233:
111:
604:
617:
229:
630:
240:
101:
507:
434:
Christopher
Scharpf & Kenneth J. Lazara (22 September 2018).
591:
511:
266:
was discovered in sunny and moving waters of the forested
520:
364:
10.2305/IUCN.UK.2022-2.RLTS.T136898065A136898069.en
440:The ETYFish Project Fish Name Etymology Database
389:
387:
385:
383:
381:
8:
442:. Christopher Scharpf and Kenneth J. Lazara
294:with similar appearance and common names).
508:
243:, where it is found in tributaries of the
53:
29:
20:
411:
362:
331:
7:
767:Taxa named by Wolfgang Johannes Junk
732:IUCN Red List least concern species
350:IUCN Red List of Threatened Species
14:
78:
1:
413:10.1590/1809-43921977073417
276:Hyphessobrycon cachimbensis
783:
762:Taxa named by Jacques GĂ©ry
357:: e.T136898065A136898069.
201:
194:
75:Scientific classification
73:
51:
42:
37:
28:
23:
394:GĂ©ry & Junk (1977).
311:; Pauly, Daniel (eds.).
325:. October 2011 version.
757:Fish described in 1977
752:Endemic fish of Brazil
462:"Purple Emperor Tetra"
742:Monotypic fish genera
268:Queimada river system
211:GĂ©ry & Junk, 1977
487:"Blue emperor tetra"
292:Nematobrycon palmeri
45:Conservation status
491:Tropical Fish Café
247:. It was once the
719:
718:
691:Open Tree of Life
552:Inpaichthys kerri
522:Inpaichthys kerri
514:Taxon identifiers
466:Aquarium FishSale
343:Inpaichthys kerri
315:Inpaichthys kerri
286:It is kept as an
264:Inpaichthys kerri
225:Inpaichthys kerri
216:
215:
205:Inpaichthys kerri
176:
68:
774:
747:Tetras of Brazil
712:
711:
699:
698:
686:
685:
673:
672:
660:
659:
647:
646:
634:
633:
621:
620:
608:
607:
595:
594:
582:
581:
569:
568:
556:
555:
554:
541:
540:
539:
509:
502:
501:
499:
497:
483:
477:
476:
474:
472:
458:
452:
451:
449:
447:
431:
425:
424:
422:
420:
415:
391:
376:
375:
373:
371:
366:
336:
326:
207:
167:
83:
82:
62:
57:
56:
33:
21:
782:
781:
777:
776:
775:
773:
772:
771:
722:
721:
720:
715:
707:
702:
694:
689:
681:
676:
668:
663:
655:
650:
642:
637:
629:
624:
616:
611:
603:
598:
590:
585:
577:
572:
564:
559:
550:
549:
544:
535:
534:
529:
516:
506:
505:
495:
493:
485:
484:
480:
470:
468:
460:
459:
455:
445:
443:
433:
432:
428:
418:
416:
393:
392:
379:
369:
367:
338:
337:
333:
307:
304:
284:
261:
212:
209:
203:
190:
166:
152:Aphyocharacinae
77:
69:
58:
54:
47:
17:
16:Species of fish
12:
11:
5:
780:
778:
770:
769:
764:
759:
754:
749:
744:
739:
734:
724:
723:
717:
716:
714:
713:
700:
687:
674:
661:
648:
635:
622:
609:
596:
583:
570:
557:
542:
526:
524:
518:
517:
512:
504:
503:
478:
453:
426:
406:(3): 417–422.
400:Acta AmazĂ´nica
377:
330:
329:
328:
327:
309:Froese, Rainer
303:
300:
283:
280:
260:
257:
251:of its genus.
245:AripuanĂŁ River
214:
213:
210:
199:
198:
192:
191:
184:
182:
178:
177:
159:
155:
154:
149:
145:
144:
139:
135:
134:
129:
125:
124:
122:Actinopterygii
119:
115:
114:
109:
105:
104:
99:
95:
94:
89:
85:
84:
71:
70:
52:
49:
48:
43:
40:
39:
35:
34:
26:
25:
15:
13:
10:
9:
6:
4:
3:
2:
779:
768:
765:
763:
760:
758:
755:
753:
750:
748:
745:
743:
740:
738:
735:
733:
730:
729:
727:
710:
705:
701:
697:
692:
688:
684:
679:
675:
671:
666:
662:
658:
653:
649:
645:
640:
636:
632:
627:
623:
619:
614:
610:
606:
601:
597:
593:
588:
584:
580:
575:
571:
567:
562:
558:
553:
547:
543:
538:
532:
528:
527:
525:
523:
519:
515:
510:
492:
488:
482:
479:
467:
463:
457:
454:
441:
437:
430:
427:
414:
409:
405:
401:
397:
390:
388:
386:
384:
382:
378:
365:
360:
356:
352:
351:
346:
344:
335:
332:
324:
323:
318:
316:
310:
306:
305:
301:
299:
297:
293:
289:
281:
279:
277:
273:
269:
265:
258:
256:
252:
250:
246:
242:
238:
235:
231:
227:
226:
221:
208:
206:
200:
197:
196:Binomial name
193:
189:
188:
187:I. kerri
183:
180:
179:
174:
170:
165:
164:
160:
157:
156:
153:
150:
147:
146:
143:
140:
137:
136:
133:
132:Characiformes
130:
127:
126:
123:
120:
117:
116:
113:
110:
107:
106:
103:
100:
97:
96:
93:
90:
87:
86:
81:
76:
72:
66:
61:
60:Least Concern
50:
46:
41:
36:
32:
27:
22:
19:
521:
494:. Retrieved
490:
481:
469:. Retrieved
465:
456:
446:29 September
444:. Retrieved
439:
429:
417:. Retrieved
403:
399:
368:. Retrieved
354:
348:
342:
334:
320:
314:
295:
285:
282:In captivity
271:
263:
262:
253:
224:
223:
219:
217:
204:
202:
186:
185:
162:
24:Royal tetra
18:
626:iNaturalist
546:Wikispecies
255:was found.
249:sole member
220:royal tetra
163:Inpaichthys
148:Subfamily:
737:Rhoadsiini
726:Categories
496:15 January
471:15 January
419:15 January
302:References
142:Characidae
670:136898065
181:Species:
98:Kingdom:
92:Eukaryota
644:11371893
600:FishBase
537:Q1796454
531:Wikidata
370:4 August
322:FishBase
296:I. kerri
288:aquarium
272:I. kerri
234:characin
138:Family:
112:Chordata
108:Phylum:
102:Animalia
88:Domain:
65:IUCN 3.1
709:1383677
618:2354732
259:Ecology
237:endemic
230:species
228:) is a
158:Genus:
128:Order:
118:Class:
63: (
696:435368
683:304042
657:163047
631:418119
592:223924
241:Brazil
175:, 1977
171:&
704:WoRMS
639:IRMNG
605:12388
579:6MW46
566:85829
38:Male
678:NCBI
665:IUCN
652:ITIS
613:GBIF
561:BOLD
498:2023
473:2023
448:2021
421:2023
372:2022
355:2022
218:The
173:Junk
169:GĂ©ry
587:EoL
574:CoL
408:doi
359:doi
239:to
232:of
728::
706::
693::
680::
667::
654::
641::
628::
615::
602::
589::
576::
563::
548::
533::
489:.
464:.
438:.
402:.
398:.
380:^
353:.
347:.
319:.
500:.
475:.
450:.
423:.
410::
404:7
374:.
361::
345:"
341:"
317:"
313:"
222:(
67:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
