33:
82:
57:
396:
sought out a different approach to conservation in that, rather than enacting protective legislation, the
Colombian Constitutional Court recognized the river as its own distinct entity deserving of protection and restoration, as a human would be; as of 2021, this had resulted in only minor project implementation, with several larger aspects still in the planning stages.
395:
Its native range, however, may face some environmental pressure. The Atrato River basin has a history of severe pollution. Nonetheless, recent action - most notably a court ruling in 2016 - has prompted conservation and cleanup efforts, largely on the part of the
Colombian government. The 2016 ruling
215:
Populations exist at both low and high elevations, and have adapted to their respective surroundings; higher-elevation specimens have deeper bodies than lower-elevation ones. The color pattern, however, remains the same - largely silver, with a reflective silver lateral stripe and a small blotch of
231:
in 1907, with findings published in the relevant edition of the
Proceedings of the United States National Museum. The article was co-authored by Fletcher Ogle, a fellow ichthyologist. The type specimen has since gone missing, though when this happened is unknown.
357:. Its type locality is the TruandĂł River. It can be found at both high and low elevations within the basin, and the environment in which a particular specimen was found can have an impact on its morphology. Specifically, populations of
322:(SL). It is possible for the fish to reach nearly twice that length, however; specimens from a particular delta in the Arato River were as large as 21.5 cm (8.5 in) total length. It is largely an iridescent silver, with a distinct
207:
is a small freshwater fish that occupies the Atrato river basin in
Colombia. Originally described from a tributary therein, the TruandĂł River, it gets its specific epithet from the region. Though it faces no imminent threats,
333:
to similar congeners. The dorsal fin has 10–11 rays, and the predorsal series of scales is incomplete. Though environment can affect morphology, resulting in a deeper body at higher elevations, separate populations of
368:
Other members of the genus in regions with healthy riparian vegetation tend to be adaptable omnivores that consume plentiful allochthonous material. When it comes to the dietary needs and preferences of
361:
at higher elevations have a deeper body than those at lower elevations, which are more fusiform. The reasons for this differentiation are unclear, but current hypotheses include differing
608:
922:
212:
inhabits waterways with a history of severe environmental pressure in the form of anthropogenic pollution. Several restoration efforts have been undertaken in the relevant regions.
756:
Correa-Herrera, T.; Jiménez-Segura, L. F.; Barletta, M. (July 2016). "Fish species from a micro-tidal delta in the
Caribbean Sea: species from a Colombian Caribbean Estuary".
281:, its specific epithet originates therein. The genus name "Astyanax" is slightly less clear, as it had no defined reasoning in the original text, but the allusion lies in
783:
Schmitter-Soto, Juan J. (26 June 2017). "A revision of
Astyanax (Characiformes: Characidae) in Central and North America, with the description of nine new species".
1080:
1160:
216:
pigment on the caudal peduncle. It also has an ovoid humeral spot with vertical elongation, which can be used to differentiate it from similar congeners.
499:
329:
There are between 35 and 39 rays in the anal fin (depending on the source consulted), which can be used as an identifying characteristic when comparing
1170:
1054:
1093:
552:"An annotated list of characin fishes in the United States National Museum and the Museum of Indiana University, with descriptions of new species"
326:
of a vertically elongated oval shape. There is a silver lateral stripe that terminates at a small dark blotch on the caudal peduncle.
706:
1132:
477:
1165:
1185:
1098:
647:
Schmitter-Soto, Juan J. (6 May 2016). "A phylogeny of
Astyanax (Characiformes: Characidae) in Central and North America".
388:. Despite a somewhat restricted distribution, nothing currently serves as an imminent threat to population levels, and so
923:"Colombia's constitutional court grants rights to the Atrato River and orders the government to clean up its waters"
528:
Reis, Roberto E.; Kullander, Sven O.; Ferraris, jr, Carl J. (January 2003). "Genera incertae sedis in
Characidae".
1180:
81:
1175:
983:
176:
1137:
890:"Influence of environmental quality on the diet of Astyanax in a microbasin of central western Brazil"
465:
442:
1028:
32:
303:
46:
950:"Rights of Nature in Practice: A Case Study on the Impacts of the Colombian Atrato River Decision"
318:
is subrhomboidal in body shape, and commonly reaches a maximum length of roughly 10.3 cm (4.1 in)
249:
in 1879. Further, it is related to multiple other species of
Astyanax that all share the subgenus
847:"Diet of Astyanax species (Teleostei, Characidae) in an Atlantic Forest River in Southern Brazil"
677:
609:"Variación morfológica de las especies de Astyanax, subgénero Zygogaster (Teleostei, Characidae)"
246:
76:
1085:
1119:
1111:
1015:
607:
Ruiz-C., R. I.; Román-Valencia, C.; Herrera-M., B. E.; Peláez, O. E.; Ermakova-A., A. (2011).
579:
571:
241:
228:
192:
1124:
961:
901:
868:
858:
820:
792:
765:
656:
620:
563:
437:
319:
290:
153:
419:
338:
do not demonstrate differences severe enough to warrant confusion with another species.
906:
889:
123:
257:
was originally designated. More modern interpretations often place it in the subgenus
1154:
1106:
702:
428:
365:, hydrological features like current speed, and risk of exposure to predatory birds.
362:
133:
66:
61:
863:
846:
551:
845:
Vilella, Fábio
Silveira; Becker, Fernando Gertum; Hartz, Sandra Maria (June 2002).
814:
350:
323:
274:
1020:
796:
567:
1067:
1006:
660:
625:
307:
are large and silvery, such that they could be compared to armor or a shield.
143:
575:
93:
583:
966:
949:
824:
1041:
1000:
732:"Order CHARACIFORMES: Family CHARACIDAE: Subfamily STETHAPRIONINAE (a-g)"
715:
354:
301:. One possible reason for such a name is that the scales of type species
278:
113:
1046:
888:
Souza, Rosangela Guarisso de; Lima-Junior, Sidnei Eduardo (6 May 2013).
1059:
873:
1072:
769:
731:
298:
103:
977:
286:
282:
385:
294:
1033:
981:
816:
Evolution in Fresh Waters During the Great American Interchange
530:
Checklist of the Freshwater Fishes of South and Central America
500:"Ichthyology of the Lakes of Nicaragua: Historical Perspective"
227:
was first described by prolific German-American ichthyologist
730:
Scharpf, Christopher; Lazara, Kenneth J. (29 December 2022).
602:
600:
504:
Investigations of the Ichthyofauna of Nicaraguan Lakes
990:
672:
670:
443:10.2305/IUCN.UK.2016-1.RLTS.T49830326A61473903.en
556:Proceedings of the United States National Museum
384:is considered a species of least concern by the
235:In the nominal article, Eigenmann remarked that
808:
806:
418:Villa-Navarro, F.; Sanchez-Duarte, P. (2016).
8:
851:Brazilian Archives of Biology and Technology
245:, which was named by Austrian ichthyologist
819:(PhD Dissertation). University of Chicago.
550:Eigenmann, Carl H.; Ogle, Fletcher (1908).
978:
697:
695:
545:
543:
541:
539:
55:
31:
20:
965:
905:
872:
862:
624:
441:
405:
413:
411:
409:
7:
948:Wesche, Philipp (17 November 2021).
894:Acta Scientiarum Biological Sciences
613:Animal Biodiversity and Conservation
1161:IUCN Red List least concern species
429:IUCN Red List of Threatened Species
373:in particular, details are sparse.
907:10.4025/actascibiolsci.v35i2.15570
14:
478:World Register of Marine Species
349:is endemic to its namesake, the
80:
1171:Taxa named by Carl H. Eigenmann
864:10.1590/S1516-89132002000200015
813:Sosa, Timothy (December 2012).
239:is closely related to congener
1:
797:10.1080/00222933.2017.1324050
568:10.5479/si.00963801.33-1556.1
954:Journal of Environmental Law
1202:
921:Ebus, Bram (22 May 2017).
785:Journal of Natural History
661:10.11646/zootaxa.4109.2.1
626:10.32800/abc.2011.34.0047
182:
175:
77:Scientific classification
75:
53:
44:
39:
30:
23:
705:; Pauly, Daniel (eds.).
688:. Plazi. 11 August 2021.
464:Bailly, Nicolas (2017).
436:: e.T49830326A61473903.
342:Distribution and ecology
297:, and the son of prince
758:Journal of Fish Biology
1166:Fish described in 1907
1186:Fish of South America
825:10.6082/uchicago.1574
498:Jaime, Villa (1976).
992:Astyanax atratoensis
791:(23–24): 1331–1424.
709:Astyanax atratoensis
468:Astyanax atratoensis
422:Astyanax atratoensis
382:Astyanax atratoensis
347:Astyanax atratoensis
316:Astyanax atratoensis
225:Astyanax atratoensis
204:Astyanax atratoensis
186:Astyanax atratoensis
25:Astyanax atratoensis
967:10.1093/jel/eqab021
736:The ETYFish Project
719:. May 2023 version.
686:treatment.plazi.org
680:Astyanax panamensis
392:is not endangered.
377:Conservation status
304:Astyanax argentatus
168:A. atratoensis
47:Conservation status
273:is endemic to the
247:Franz Steindachner
40:1907 illustration
1148:
1147:
1120:Open Tree of Life
984:Taxon identifiers
927:news.mongabay.com
770:10.1111/jfb.12860
293:was a warrior of
242:Astyanax caucanus
229:Carl H. Eigenmann
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70:
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1181:Fish of Colombia
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470:Eigenmann, 1907"
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35:
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1176:Astyanax (fish)
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682:(GĂĽnther 1864)"
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320:standard length
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259:Poecilurichthys
222:
196:
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79:
71:
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56:
49:
17:
16:Species of fish
12:
11:
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974:
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960:(3): 531–555.
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913:
900:(2): 179–184.
880:
857:(2): 223–232.
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802:
775:
764:(1): 863–875.
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722:
703:Froese, Rainer
691:
666:
639:
596:
562:(1556): 1–33.
535:
520:
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390:A. atratoensis
378:
375:
371:A. atratoensis
363:riparian zones
359:A. atratoensis
343:
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336:A. atratoensis
331:A. atratoensis
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271:A. atratoensis
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177:Binomial name
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134:Characiformes
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62:Least Concern
52:
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43:
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34:
29:
26:
22:
19:
991:
957:
953:
943:
931:. Retrieved
926:
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854:
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828:. Retrieved
815:
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739:. Retrieved
735:
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630:. Retrieved
619:(1): 47–66.
616:
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587:. Retrieved
559:
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511:. Retrieved
507:
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481:. Retrieved
473:
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351:Atrato River
346:
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324:humeral spot
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185:
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154:
24:
18:
1068:iNaturalist
874:10183/78925
311:Description
269:Given that
253:, to which
1155:Categories
929:. Mongabay
655:(2): 101.
532:: 106–169.
400:References
251:Zygogaster
144:Characidae
576:0096-3801
353:basin in
277:basin in
265:Etymology
193:Eigenmann
162:Species:
100:Kingdom:
94:Eukaryota
1112:49830326
1086:10143280
1042:FishBase
1007:Q5578479
1001:Wikidata
716:FishBase
449:29 April
355:Colombia
291:Astyanax
279:Colombia
220:Taxonomy
155:Astyanax
140:Family:
114:Chordata
110:Phylum:
104:Animalia
90:Domain:
67:IUCN 3.1
1138:1018259
1125:3625489
1060:5204314
649:Zootaxa
584:1259735
150:Genus:
130:Order:
120:Class:
65: (
1099:640457
1073:610132
1034:993940
582:
574:
299:Hector
195:, 1907
1133:WoRMS
1081:IRMNG
1047:53389
933:3 May
830:3 May
741:3 May
632:3 May
589:3 May
513:3 May
483:3 May
474:WoRMS
287:Iliad
283:Homer
1107:IUCN
1094:ITIS
1055:GBIF
1021:J5QC
935:2023
832:2023
743:2023
653:4109
634:2023
591:2023
580:OCLC
572:ISSN
515:2023
485:2023
451:2023
434:2016
386:IUCN
295:Troy
1029:EoL
1016:CoL
962:doi
902:doi
869:hdl
859:doi
821:doi
793:doi
766:doi
657:doi
621:doi
564:doi
438:doi
285:'s
1157::
1135::
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1109::
1096::
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1070::
1057::
1044::
1031::
1018::
1003::
958:33
956:.
952:.
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898:35
896:.
892:.
867:.
855:45
853:.
849:.
805:^
789:51
787:.
762:89
760:.
734:.
713:.
694:^
684:.
669:^
651:.
617:34
615:.
611:.
599:^
578:.
570:.
560:33
558:.
554:.
538:^
506:.
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476:.
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432:.
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408:^
289:;
261:.
970:.
964::
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420:"
69:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
