33:
46:
399:
The rio Negro specifically gets its name because it is a blackwater river, in which microbial decay releases tannins from leaf litter into the water. (This results in a low amount of available dissolved oxygen, as the microbes use a good deal of oxygen present.) A large portion of rivers in the
179:. It is a small species, largely herbivorous with some omnivorous traits, that prefers to live in schools and is partial to shallow waters, especially in blackwater habitats. Some aspects of its body plan are unique amongst its genus, including the position and length of the anal fin.
246:
There are also behavioral differences, especially observed by aquarists. Females tend to be more placid and get along more readily with conspecifics, but males may get combative amongst themselves in order to show off. They also display brighter colors to impress females.
210:(SL). It has a lateral stripe that is divided horizontally into three colors - red at the top, then yellow-green, then black - and the base scale color is yellowish. The three colors of the lateral stripe can be used to differentiate it from similar congener
242:
show no morphometric differences (differences in size and shape). The main way to tell males and females apart is by the presence of red markings on the pelvic, anal, and caudal fins, particular to male specimens. These fins are clear in females.
339:
at large, hobbyists know it as the red-line lizard tetra. This originates from its lateral stripe, which is in three colors: red at the top, yellow in the middle, and black at the bottom. Red is the most conspicuous color therein. Congener
479:. Its wide range offers it an advantage in terms of population survivability. Nonetheless, the freshwater inland habitats of South America are under constant pressure from anthropogenic sources, including infrastructure development like
344:
is also sometimes sold as the red-line lizard tetra, or rust-striped tetra. The two are rather easy for laypeople to confuse, and are sometimes sold as a part of the same stock, labeled as the same species.
186:
behavior is known from observation in aquaria, but the middlingly-limited research in wild settings lines up with what fish keepers have noted. Though taken from the wild for export to various countries,
428:
does best if kept in a school ranging from 5 to 10 fish, which remains true of wild counterparts. Wild fish are further known to peacefully coexist with species from related genera, including
328:
The specific name "geisleri" is an homage to German biologist Rolf
Geisler, who collected the type specimen. The generic name "iguanodectes", though without a definite origin, is likely from "
650:. Roberto E. Reis, Sven O. Kullander, Carl J. Ferraris, PontifĂcia Universidade CatĂłlica do Rio Grande do Sul. Museu de CiĂŞncias e Tecnologia. Porto Alegre, Brasil: EDIPUCRS. 2003.
222:
has several other identifying features. There are 20-25 anal-fin rays, fewer than other species, and the dorsal-fin origin is located in the middle of the body, which is unique to
821:
Oliveira, Claudio; Avelino, Gleisy S.; Abe, Kelly T.; Mariguela, Tatiane C.; Benine, Ricardo C.; OrtĂ, Guillermo; Vari, Richard P.; CorrĂŞa e Castro, Ricardo M. (December 2011).
400:
Orinoco basin are blackwater as well. The
Madeira main is whitewater, but its tributaries are both clearwater and blackwater. Blackwater rivers are characterized by plentiful
823:"Phylogenetic relationships within the speciose family Characidae (Teleostei: Ostariophysi: Characiformes) based on multilocus analysis and extensive ingroup sampling"
1232:
476:
1258:
1017:"Contribution of surface leaf-litter breakdown and forest composition to benthic oxygen demand and ecosystem respiration in a South Georgia blackwater river"
1206:
1245:
1327:
278:
has retained its original name since description, but has nonetheless changed taxonomic status; in 2011, researchers determined that the genus
1342:
456:
as a whole are an uncommon sight in the industry. Nonetheless, they are exported from their natural habitat, including to locations such as
1337:
1120:
519:
1057:
1015:
Mehring, Andrew S.; Kuehn, Kevin A.; Tant, Cynthia J.; Pringle, Catherine M.; Lowrance, R. Richard; Vellidis, George (1 June 2014).
985:
655:
1075:"Effects of species co-occurrence on the trophic-niche breadth of characids in Amazon forest streams: trophic niches of characids"
1294:
878:
1322:
645:
484:
1250:
444:, though a wider variety of species in one area does result in dietary shifts to maintain a specific ecological niche.
45:
551:
960:
424:
in its diet, but aquarists have reported omnivorous habits in captive specimens. Aquarists also note that a captive
1263:
732:
679:
901:
332:", the lizard, and "dectes", meaning "bite" or "tooth"; its meaning was not made clear in the original text.
32:
697:
1332:
1148:
902:"Order CHARACIFORMES: Families IGUANODECTIDAE, TRIPORTHEIDAE, BRYCONIDAE, CHALCEIDAE and GASTEROPELECIDAE"
266:
140:
1299:
1180:
873:
762:
492:
434:
376:. The type locality is in Brazil, a small stream known as the Igarapé de Paricá, a tributary of the
1048:
van der Sleen, Peter; Moreira, Cristiano R. (2017). van der Sleen, Peter; Albert, James S. (eds.).
212:
673:
361:
40:
1237:
620:
216:, whose lateral stripe is only composed of red and yellow-green, lacking the black underline.
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1094:
1053:
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661:
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271:
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385:
420:
is largely in line with this pattern, including leaf litter, fallen fruit, and filamentous
440:
207:
464:, and are known to be peaceful fish, which makes them ideal members of a community tank.
195:
as a whole - are not sought out often enough for excessive capture to be of any concern.
156:
849:
822:
317:
300:
295:
107:
87:
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401:
357:
176:
97:
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117:
404:, which serves as shelter for the river and a food source for the fauna therein.
1219:
1171:
305:
839:
1121:"Challenges in the management of Brazilian wetlands: Negro and Juruá Rivers"
665:
373:
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57:
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77:
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909:
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461:
369:
329:
67:
1142:
1033:
1016:
421:
1052:. Princeton, N.J.: Princeton University Press. pp. 163–164.
647:
Check list of the freshwater fishes of South and
Central America
1185:
1146:
900:
Scharpf, Christopher; Lazara, Kenneth J. (15 September 2020).
1050:
Field guide to the fishes of the Amazon, Orinoco, and
Guianas
335:
Though the scientific community has not accepted a name for
230:
as a genus. The relatively short anal fin is also unique.
392:. This is also seen in various members of related genus
615:
613:
611:
609:
607:
605:
388:
habitats, a similarity it shares with other members of
206:
is a small fish, reaching a maximum of 5.5 cm (2.2 in)
874:"WoRMS taxon details - Iguanodectidae Eigenmann, 1909"
579:
577:
1155:
545:
543:
541:
539:
264:, named in 1970. The earliest member of the genus,
996:. Museum of Zoology of the University of SĂŁo Paulo
1073:Barros, G.; Zuanon, J.; Deus, C. (January 2017).
961:"Red Line Lizard Tetra (Iguanodectes geisleri)"
621:"Iguanodectes geisleri (Red Line Lizard Tetra)"
1119:Sánchez, Carolina Obregón (12 February 2021).
452:Hobbyists report that species from the genus
274:, though under a different name at the time.
258:is a relatively recent addition to the genus
8:
763:"WoRMS - World Register of Marine Species -
727:
725:
723:
1143:
986:"South American Characiformes Inventory -
691:
689:
510:
508:
31:
20:
1032:
848:
838:
298:, as opposed to their previous placement
802:. Global Biodiversity Information System
504:
175:, is a species of freshwater fish from
671:
585:"Iguanodectes adujai — Seriously Fish"
491:like the ones I. geisleri prefers are
368:rivers; the former two are located in
7:
14:
872:Bailly, Nicolas (17 April 2015).
879:World Register of Marine Species
771:World Register of Marine Species
448:Presence and behavior in aquaria
356:is known from the basins of the
44:
1127:. Wildlife Conservation Society
475:has not been evaluated by the
1:
696:Schäfer, Frank (6 May 2013).
483:and chemical disruption from
238:Male and female specimens of
1343:Freshwater fish of Venezuela
294:, belonged to a new family,
1359:
1328:Taxa named by Jacques GĂ©ry
487:operations. Specifically,
430:Hyphessobrycon melazonatus
324:Etymology and nomenclature
1338:Freshwater fish of Brazil
493:known for their fragility
146:
139:
41:Scientific classification
39:
30:
23:
840:10.1186/1471-2148-11-275
827:BMC Evolutionary Biology
552:"Red Line Lizard Tetra (
532:. November 2022 version.
518:; Pauly, Daniel (eds.).
349:Distribution and habitat
1079:Journal of Fish Biology
270:, was named in 1864 by
1323:Fish described in 1970
708:. Aquarium Glaser GmbH
678:: CS1 maint: others (
316:make up the subfamily
1157:Iguanodectes geisleri
988:Iguanodectes geisleri
934:Iguanodectes geisleri
794:Iguanodectes geisleri
735:Iguanodectes geisleri
700:Iguanodectes geisleri
560:imperialtropicals.com
554:Iguanodectes geisleri
522:Iguanodectes geisleri
473:Iguanodectes geisleri
354:Iguanodectes geisleri
267:Iguanodectes spilurus
256:Iguanodectes geisleri
220:Iguanodectes geisleri
204:Iguanodectes geisleri
173:red-line lizard tetra
168:Iguanodectes geisleri
150:Iguanodectes geisleri
25:Iguanodectes geisleri
994:ictio.saci.mz.usp.br
940:Encyclopedia of Life
562:. Imperial Tropicals
435:Bryconops giacopinii
372:, and the latter in
906:The ETYFish Project
468:Conservation status
402:riparian vegetation
384:is largely seen in
213:Iguanodectes adujai
1021:Freshwater Science
936:GĂ©ry 1970 - Names"
912:on 6 November 2019
481:hydroelectric dams
1310:
1309:
1272:Open Tree of Life
1149:Taxon identifiers
1091:10.1111/jfb.13183
741:akwa-mania.mud.pl
706:aquariumglaser.de
416:are herbivorous.
234:Sexual dimorphism
191:- and members of
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1125:Aguas Amazonicas
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908:. Archived from
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412:Many members of
408:Diet and ecology
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132:I. geisleri
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514:
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450:
441:Bryconops inpai
410:
351:
326:
253:
236:
208:standard length
201:
160:
154:
148:
135:
43:
17:
16:Species of fish
12:
11:
5:
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1111:
1085:(1): 326–340.
1065:
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1034:10.1086/675507
1027:(2): 377–389.
1007:
977:
952:
923:
892:
864:
813:
783:
754:
719:
685:
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625:Seriously Fish
601:
589:Seriously Fish
573:
550:Drawdy, Mike.
535:
516:Froese, Rainer
503:
502:
500:
497:
485:illegal mining
469:
466:
449:
446:
409:
406:
350:
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318:Iguanodectinae
301:incertae sedis
296:Iguanodectidae
272:Albert GĂĽnther
252:
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162:
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144:
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108:Iguanodectidae
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95:
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88:Actinopterygii
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10:
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1333:Characiformes
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184:I. geisleri's
180:
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177:South America
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145:
142:
141:Binomial name
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98:Characiformes
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22:
19:
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1129:. Retrieved
1124:
1114:
1102:. Retrieved
1082:
1078:
1068:
1049:
1043:
1024:
1020:
1010:
998:. Retrieved
993:
987:
980:
968:. Retrieved
965:Aqua-Imports
964:
955:
943:. Retrieved
939:
933:
926:
914:. Retrieved
910:the original
905:
895:
883:. Retrieved
877:
867:
830:
826:
816:
804:. Retrieved
799:
793:
786:
774:. Retrieved
770:
765:Iguanodectes
764:
757:
745:. Retrieved
743:. AKWA-MANIA
740:
734:
710:. Retrieved
705:
699:
646:
640:
628:. Retrieved
624:
592:. Retrieved
588:
564:. Retrieved
559:
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527:
521:
472:
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454:Iguanodectes
453:
451:
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429:
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414:Iguanodectes
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390:Iguanodectes
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310:Iguanodectes
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280:Iguanodectes
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261:Iguanodectes
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228:Iguanodectes
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149:
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131:
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119:Iguanodectes
118:
24:
18:
1220:iNaturalist
1131:29 November
885:30 November
806:29 November
796:GĂ©ry, 1970"
776:29 November
767:Cope, 1872"
747:29 November
630:28 November
594:28 November
426:I. geisleri
418:I. geisleri
382:I. geisleri
337:I. geisleri
276:I. geisleri
240:I. geisleri
224:I. geisleri
199:Description
189:I. geisleri
1317:Categories
1104:2 December
1000:2 December
970:2 December
945:2 December
916:2 December
833:(1): 275.
712:2 December
566:2 December
499:References
386:blackwater
378:Rio Jufari
306:Characidae
674:cite book
394:Bryconops
374:Venezuela
342:I. adujai
285:Bryconops
126:Species:
64:Kingdom:
58:Eukaryota
1238:10139388
1194:FishBase
1172:Q6403662
1166:Wikidata
1099:27778359
859:21943181
800:gbif.org
666:54496178
529:FishBase
489:wetlands
314:Piabucus
291:Piabucus
251:Taxonomy
182:Much of
104:Family:
78:Chordata
74:Phylum:
68:Animalia
54:Domain:
1300:1008712
1287:2290485
1212:2354232
850:3190395
458:Germany
366:Orinoco
358:Madeira
226:within
114:Genus:
94:Order:
84:Class:
1284:uBio:
1277:514239
1264:767257
1251:639896
1225:615547
1186:343514
1097:
1056:
857:
847:
664:
654:
462:Poland
438:, and
370:Brazil
364:, and
330:iguana
171:, the
159:, 1970
1295:WoRMS
1233:IRMNG
1199:51946
422:algae
362:Negro
1259:NCBI
1246:ITIS
1207:GBIF
1133:2022
1106:2022
1095:PMID
1054:ISBN
1002:2022
972:2022
947:2022
918:2022
887:2022
855:PMID
808:2022
778:2022
749:2022
714:2022
680:link
662:OCLC
652:ISBN
632:2022
596:2022
568:2022
477:IUCN
460:and
312:and
288:and
157:GĂ©ry
1181:EoL
1087:doi
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