373:
333:
77:
33:
52:
363:
that is rectangular or ovoid. The anal fin has a light margin, but is otherwise a uniform yellow, with a touch of bright red on the first few rays. There is a black spot on the caudal peduncle that continues onto the middle rays of the caudal fin. The dorsal fin is lemon-yellow, the caudal fin is
513:
is found spread throughout southern
Central America and northern South America, it nonetheless inhabits locations currently facing ecological pressure. Lake Bacalar, for instance, is a tourism hotspot known for its clear waters and unique wildlife, but this tourism can damage natural structures
501:
a species of least concern. Its wide native range, adaptable nature, high numbers, and tolerance to variable environmental conditions makes it unlikely to be at risk of extinction. Its relative abundance in several locations serves as part of a biotic index of integrity for streams in the
230:
sports are not uncommon features in its genus, but it can be differentiated from congeners by several means. Its fins have some unique markings, like a patch of bright red on the anal fin, and its humeral spot is rectangular or ovoid, instead of triangular or p-shaped in some other
349:(SL), and the head makes up roughly a quarter of this (28% or less SL). The origin of the dorsal fin is in the center of the body, and the fin itself has 9–11 rays. The anal fin has 21–27 rays, most often 25, and the pectoral fins have 10–11 rays.
649:
Rossini, Bruno CĂ©sar; Oliveira, Carlos
Alexandre Miranda; Melo, Filipe Augusto Gonçalves de; Bertaco, Vinicius de AraĂşjo; Astarloa, Juan M. DĂaz de; Rosso, Juan J.; Foresti, Fausto; Oliveira, Claudio (19 December 2016).
942:
211:, and it further inhabits freshwater environments like cenotes, streams, and wetlands. Its widespread nature, paired with an omnivorous diet, make it a hardy species.
716:
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".
471:
was captured from areas where it had not been seen in previous years, which suggests an expanding range. Another example is its introduction to the
Mexican locale
1123:
1164:
1097:
590:
Valdez-Moreno, Martha; Ivanova, Natalia V.; ElĂas-GutiĂ©rrez, Manuel; Pedersen, Stephanie L.; Bessonov, Kyrylo; Hebert, Paul D. N. (22 April 2019).
1025:
518:- a protected wetland habitat - have been unsuccessful in the past; the hotel and tourism sectors were concerned about potential profit impact.
203:, is a small species of freshwater fish found in Central and South America. Its scientific and common names both refer to its type locality,
443:
is planktivorous, but graduates to omnivory as an adult. In turn, it is preyed upon by wading birds and various fish species, including
799:
824:
910:
Lyons, Timothy; Máiz-Tomé, Laura; Tognelli, Marcelo F.; Daniels, Adam; Meredith, Clayton; Bullock, Robert; Harrison, I. J. (2020).
1199:
1136:
1169:
1194:
879:"Changes in the Fish Community of a Western Caribbean Estuary after the Expansion of an Artificial Channel to the Sea"
1128:
372:
1184:
999:
76:
252:
during a revision of the genus in 2017. Before being identified as a different species altogether, specimens of
1174:
249:
1189:
1179:
420:
457:
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568:
171:
1141:
794:
725:
663:
603:
503:
428:
41:
973:
848:
741:
71:
1115:
467:
appears to be a species that readily adapts to its environment. For instance, in a 2019 study,
965:
691:
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472:
451:
350:
957:
890:
733:
681:
671:
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611:
563:
545:
396:
364:
orange, and the pectoral and pelvic fins are largely clear or yellowish with red margins.
346:
258:
233:
148:
376:
A bacalar tetra caught out of the Macal River near San
Ignacio, Belize (March 29, 2024).
729:
667:
607:
411:. Though it is largely a freshwater fish, it has been described from delta areas in the
332:
314:. The specific name "bacalarensis" is in reference to the type locality of the species,
686:
651:
626:
591:
445:
118:
32:
1158:
1110:
977:
943:"La ictiofauna cenotĂcola (peces de cenote) más relevante de la penĂnsula de Yucatán"
820:
554:
494:
416:
128:
61:
56:
745:
412:
392:
388:
384:
360:
315:
223:
204:
737:
1075:
676:
616:
515:
404:
911:
481:
138:
969:
592:"Using eDNA to biomonitor the fish community in a tropical oligotrophic lake"
1026:"Bacalar Microbialites Struggle to Survive the Degradation of their Habitat"
408:
88:
695:
635:
1084:
1069:
833:
761:"Order CHARACIFORMES: Family CHARACIDAE: Subfamily STETHAPRIONINAE (a-g)"
303:
108:
1089:
423:; for comparison, the ocean averages 34.7 psu). It can also be found in
1102:
514:
within the lake and introduce pollution. Proposals to label the lake a
961:
895:
878:
877:
Schmitter-Soto, Juan J.; Herrera-PavĂłn, Roberto L. (6 December 2019).
760:
424:
400:
311:
208:
98:
1046:
371:
331:
299:
295:
785:
307:
1050:
652:"Highlighting Astyanax Species Diversity through DNA Barcoding"
759:
Scharpf, Christopher; Lazara, Kenneth J. (29 December 2022).
912:"The status and distribution of freshwater fishes in Mexico"
419:) with middling levels of salinity for the region (9 psu,
1059:
569:
10.2305/IUCN.UK.2019-2.RLTS.T132569524A132572607.en
262:(the banded tetra). There are various subgenera in
286:, based on a complete predorsal series of scales.
431:, as well as in caves and in seasonal wetlands.
318:, with the suffix "-ensis" denoting a location.
256:were often classified as specimens of congener
294:The genus Astyanax is named after a figure in
849:"Astyanax bacalarensis, Schmitter-Soto, 2017"
248:was first described by Mexican ichthyologist
8:
475:, a lake in which it is not normally found;
1047:
711:
709:
707:
705:
50:
31:
20:
894:
685:
675:
625:
615:
567:
1024:Ruiz, Ricardo Hernández (15 June 2022).
359:is mostly silver, and has a single dark
872:
870:
527:
324:is sometimes called the Bacalar tetra.
1000:"How a Mexican Lagoon Lost Its Colors"
941:Schmitter-Soto, Juan J. (March 2020).
539:
537:
535:
533:
531:
461:, depending on the specific location.
7:
1165:IUCN Red List least concern species
555:IUCN Red List of Threatened Species
800:National Museum of Natural History
345:reaches 9.5 cm (3.7 in)
14:
391:. It has been further cited from
998:Keeley, Allison (12 July 2021).
75:
479:can out-compete various native
218:was considered synonymous with
199:, sometimes referred to as the
383:was originally described from
1:
738:10.1080/00222933.2017.1324050
677:10.1371/journal.pone.0167203
617:10.1371/journal.pone.0215505
544:Schmitter-Soto, J. (2019).
1216:
718:Journal of Natural History
562:: e.T132569524A132572607.
250:Juan Jacob Schmitter-Soto
177:
170:
72:Scientific classification
70:
48:
39:
30:
23:
823:; Pauly, Daniel (eds.).
421:practical salinity units
387:in the Mexican state of
368:Distribution and habitat
222:. The silver scales and
1200:Fish of Central America
214:Before its nomination,
1170:Fish described in 2017
403:, as well as from the
377:
339:
1195:Fish of South America
1061:Astyanax bacalarensis
827:Astyanax bacalarensis
788:Astyanax bacalarensis
548:Astyanax bacalarensis
465:Astyanax bacalarensis
458:Rhamdia guatemalensis
381:Astyanax bacalarensis
375:
357:Astyanax bacalarensis
343:Astyanax bacalarensis
337:Astyanax bacalarensis
335:
322:Astyanax bacalarensis
246:Astyanax bacalarensis
196:Astyanax bacalarensis
181:Astyanax bacalarensis
25:Astyanax bacalarensis
916:IUCN Grey Literature
795:Encyclopedia of Life
790:Schmitter-Soto 2017"
724:(23–24): 1331–1424.
187:Schmitter-Soto, 2017
163:A. bacalarensis
1030:earthjournalism.net
853:treatment.plazi.org
837:. May 2023 version.
765:The ETYFish Project
730:2017JNatH..51.1331S
668:2016PLoSO..1167203R
608:2019PLoSO..1415505V
489:Conservation status
473:Laguna Chichancanab
446:Belonesox belizanus
306:was a warrior from
42:Conservation status
378:
340:
1185:Fish of Guatemala
1152:
1151:
1053:Taxon identifiers
962:10.56369/BAC.3219
896:10.3390/w11122582
485:species therein.
452:Petenia splendida
429:Yucatán peninsula
351:Sexual dimorphism
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662:(12): e0167203.
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435:Diet and ecology
310:, son of prince
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1175:Astyanax (fish)
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602:(4): e0215505.
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511:A. bacalarensis
499:A. bacalarensis
491:
477:A. bacalarensis
469:A. bacalarensis
441:A. bacalarensis
439:As a juvenile,
437:
397:Toledo district
370:
347:standard length
330:
292:
280:A. bacalarensis
268:Poecilurichthys
259:Astyanax aeneus
254:A. bacalarensis
243:
228:A. bacalarensis
220:Astyanax aeneus
216:A. bacalarensis
188:
185:
179:
166:
74:
66:
55:
51:
44:
17:
16:Species of fish
12:
11:
5:
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1190:Fish of Belize
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1180:Fish of Mexico
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821:Froese, Rainer
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119:Actinopterygii
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278:itself - and
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201:Bacalar tetra
198:
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172:Binomial name
169:
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159:
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147:
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129:Characiformes
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57:Least Concern
47:
43:
38:
34:
29:
26:
22:
19:
1060:
1033:. Retrieved
1029:
1019:
1007:. Retrieved
1003:
993:
981:. Retrieved
953:
949:
936:
924:. Retrieved
919:
915:
905:
889:(12): 2582.
886:
882:
857:. Retrieved
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843:
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826:
815:
803:. Retrieved
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768:. Retrieved
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573:. Retrieved
559:
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510:
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492:
480:
476:
468:
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463:
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444:
440:
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413:Chetumal Bay
393:Sittee River
389:Quintana Roo
385:Lake Bacalar
380:
379:
361:humeral spot
356:
355:
353:is unknown.
342:
341:
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316:Lake Bacalar
293:
283:
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271:
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224:humeral spot
219:
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205:Lake Bacalar
200:
195:
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180:
178:
162:
161:
149:
24:
18:
956:(1): 9–22.
516:Ramsar site
504:Hondo river
405:Mopán River
328:Description
282:belongs to
1159:Categories
522:References
497:considers
482:Cyprinodon
272:Zygogaster
139:Characidae
1116:132569524
1076:Q67183825
978:258575097
970:2007-431X
409:Guatemala
290:Etymology
157:Species:
95:Kingdom:
89:Eukaryota
1085:FishBase
1070:Wikidata
834:FishBase
746:90642754
696:27992537
656:PLOS ONE
636:31009491
596:PLOS ONE
415:(in the
304:Astyanax
284:Astyanax
276:Astyanax
264:Astyanax
241:Taxonomy
234:Astyanax
150:Astyanax
135:Family:
109:Chordata
105:Phylum:
99:Animalia
85:Domain:
62:IUCN 3.1
1142:1385370
1129:2978512
1103:9514507
855:. Plazi
726:Bibcode
687:5167228
664:Bibcode
627:6476559
604:Bibcode
506:basin.
427:on the
425:cenotes
395:in the
145:Genus:
125:Order:
115:Class:
60: (
976:
968:
922:. IUCN
744:
694:
684:
634:
624:
509:While
455:, and
401:Belize
312:Hector
274:, and
209:Mexico
1137:WoRMS
1090:68797
1035:7 May
1009:7 May
983:8 May
974:S2CID
946:(PDF)
926:8 May
883:Water
859:8 May
805:6 May
770:3 May
742:S2CID
575:8 May
300:Iliad
296:Homer
226:that
1124:NCBI
1111:IUCN
1098:GBIF
1037:2023
1011:2023
985:2023
966:ISSN
928:2023
861:2023
807:2023
772:2023
692:PMID
632:PMID
577:2023
560:2019
495:IUCN
493:The
308:Troy
958:doi
891:doi
734:doi
682:PMC
672:doi
622:PMC
612:doi
564:doi
407:in
399:of
298:'s
207:in
1161::
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1126::
1113::
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1087::
1072::
1028:.
1002:.
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964:.
954:13
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918:.
914:.
887:11
885:.
881:.
869:^
851:.
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732:.
722:51
720:.
704:^
690:.
680:.
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660:11
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654:.
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600:14
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594:.
558:.
552:.
530:^
449:,
302:.
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266:-
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920:1
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893::
863:.
829:"
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550:"
546:"
64:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
