Overview

Comprehensive Description

Astyanax cf. fasciatus :

ILPLA 596, (6) 54.2-63.5 mm SL, Laguna de Lobos ( 35°17’S59°07’W ), Buenos Aires Province , Argentina , coll.: A. Miquelarena et al, June 1986 .

  • Lucila C. Protogino, Amalia M. Miquelarena, Hugo L. López (2006): A new species of Astyanax (Teleostei, Characiformes, Characidae), with breeding tubercles, from the Paraná and Uruguay river basins. Zootaxa 1297, 1-16: 14-14, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:8B4411D9-087E-4182-81EF-23D764E0FE27
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Astyanax cf. fasciatus :

MLP 7115 , 1 ex., 47.8 mm, Argentina , Santa Fe , RioParana basin, San Jose del Rincon . AI 111 , 2 ex., 57.8-62.6 mm, Argentina , Buenos Aires , Rio de la Plata in Punta Lara . MLP 8647 , 5 ex. 34.0-45.8 mm, Argentina , Santiago del Estero , Rio Salado .

  • Juan Marcos Mirande, Gastón Aguilera, María de las Mercedes Azpelicueta (2007): A new species of Astyanax (Characiformes: Characidae) from the endorheic Río Salí basin, Tucumán, northwestern Argentina. Zootaxa 1646, 31-39: 32-32, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:D83848ED-9E15-4C2C-A228-0288B2CAFBB9
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Astyanax cf. fasciatus :

MLP 7115, 1 ex., 47.8 mm, Argentina , Santa Fe , Paraná basin, San José del Rincón . AI 111, 2 ex., 57.8- 62.6 mm, Argentina , Buenos Aires , Argentina , Salta , Orán de la Plata in Punta Lara . MLP 8647, 5 ex. 34.0-45.8 mm, Argentina , Santiago del Estero , Río Salado .

  • J. M. Mirande, G. Aguilera, M. D. L. M. Azpelicueta (2006): Astyanax endy (Characiformes: Characidae), a new fish species from the upper Río Bermejo basin, northwestern Argentina. Zootaxa 1286, 57-68: 59-59, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:89EB739D-FFDE-44FD-AD0F-9E51CC3392FD
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Biology

Inhabits streams and rivers without strong currents (Ref. 26543) and lentic areas (Ref. 1129). Vivacious, eats small fish and will bite pieces of meat (Ref. 5518). Sometimes used as table fish; flesh of good flavor but with lots of fish bones.
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Distribution

North, Central and South America: most freshwater basins from Mexico to Argentina.
  • Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. … 2003 Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)   http://www.fishbase.org/references/FBRefSummary.php?id=38376&speccode=10622 External link.
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Most freshwater basins from Mexico to Argentina: Argentina, Belize, Brazil, Colombia, Costa Rica, Mexico, Panama, Uruguay and Venezuela.
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Physical Description

Morphology

Dorsal spines (total): 1; Dorsal soft rays (total): 9; Analspines: 2; Analsoft rays: 2
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Size

Maximum size: 100 mm NG
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Max. size

16.8 cm TL (male/unsexed; (Ref. 79585)); max. published weight: 69.7 g (Ref. 79585)
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Diagnostic Description

One maxillary tooth (Ref. 46822).
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MLP 7115 , 1 ex., 47.8 mm, Argentina , Santa Fe , RíoParaná basin, San José del Rincón . AI 111 , 2 ex., 57.8-62.6 mm, Argentina , Buenos Aires , Rio de la Plata in Punta Lara . MLP 8647 , 5 ex. 34.0-45.8 mm, Argentina , Santiago del Estero , Rio Salado .

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Juan Marcos Mirande

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Type Information

Type for Astyanax fasciatus
Catalog Number: USNM 8225
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Locality: Napo + Maronon, Napo Province, Ecuador, South America
  • Type: Gill, T. N. 1870. Proceedings of the Academy of Natural Sciences of Philadelphia. 22: 92.
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Ecology

Habitat

Environment

benthopelagic; potamodromous (Ref. 51243); freshwater
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Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 0.5 - 0.5
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Migration

Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Trophic Strategy

The epigean form defend small territories of ten to twenty centimeters diameter depending on body size. Tools for defence include fin-spreading, snake-swimming and ramming (Ref. 52944).
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Diseases and Parasites

Rhabdochona Infestation 8. Parasitic infestations (protozoa, worms, etc.)
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Procamallanus Infection 28. Parasitic infestations (protozoa, worms, etc.)
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Procamallanus Infection 25. Parasitic infestations (protozoa, worms, etc.)
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Procamallanus Infection 10. Parasitic infestations (protozoa, worms, etc.)
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Paraseuratum Infestation. Parasitic infestations (protozoa, worms, etc.)
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Capillostrongyloides Infestation. Parasitic infestations (protozoa, worms, etc.)
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Evolution and Systematics

Functional Adaptations

Functional adaptation

Lateral line system acts as sonar: fish
 

Neuromasts of the lateral line system of fish help them navigate by sensing their own waves, reflected back from surrounding objects, which are deflected by minute sensory cells embedded in jelly.

   
  "The lateral line system is a kind of underwater sonar and is very similar to the sonar-based navigation system employed by bats. But instead of listening to ultrasonic squeaks bouncing back from solid objects, the fish is able to feel the movement of water reflected back against its body from objects around it. The lateral line system consists of a horizontal groove running along each flank and onto the head, where it splits into three shorter grooves. Within each groove is a line of tiny sense organs known as neuromasts. A neuromast consists of several minute sensory cells whose hairs are embedded together within a triangular tongue of jelly called a cupula. As a fish swims, its movements create ripples or waves in the water that travel outward until they make contact with an object in the fish's surroundings, whereupon they bounce back toward the fish. The returning vibrations are deflected by the neuromasts' cupulae, thereby stimulating nerve connections to the brain, which give the fish sophisticated information about its surroundings. Neuromasts also cover the entire surface of a fish's skin, and can serve as normal touch receptors, responding to physical contact with objects as well as vibrations." (Shuker 2001: 34)
  Learn more about this functional adaptation.
  • Shuker, KPN. 2001. The Hidden Powers of Animals: Uncovering the Secrets of Nature. London: Marshall Editions Ltd. 240 p.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Astyanax fasciatus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Astyanax fasciatus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 130
Species With Barcodes: 1
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Barcode data: Astyanax aeneus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 11 barcode sequences available from BOLD and GenBank.

Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

GCCTGAGCTGGGATGGTTGGGACTGCTTTA---AGCCTGTTGATTCGGGCAGAGCTCGGCCAACCGGGATCCCTTCTAGGTGAT---GACCAGGTATATAATGTTCTGGTAACTGCACATGCTTTCGTTATAATTTTCTTTATAGTCATACCCGTTATAATAGGAGGCTTTGGAAATTGGCTAATCCCACTTATA---ATTGGCGCCCCAGACATAGCCTTCCCTCGAATAAATAACATAAGTTTTTGACTTCTTCCACCATCTTTTCTTCTCCTTCTAGCATCCTCTGGGGTCGAGGCCGGAGCAGGAACAGGATGAACTGTATACCCCCCTCTTGCTGGCAACCTTGCACATGCAGGAGCTTCCGTTGACCTG---ACCATTTTCTCACTACACTTAGCTGGTGTCTCCTCAATCTTAGGAGCAATCAATTTTATTACAACTATTATTAATATAAAACCCCCAGCTATTTCACAATACCAGACACCCTTATTTGTCTGAGCTGTCTTAGTGACAGCTGTCCTCCTTCTTCTTTCACTCCCCGTCTTAGCAGCT---GGAATCACAATACTTCTTACAGATCGTAACCTTAATACTTCATTTTTTGACCCAGCGGGAGGTGGAGATCCTATCCTTTATCAACACCTCTTTTGATTCTTTGGCCACCCA
-- end --

Download FASTA File

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Statistics of barcoding coverage: Astyanax aeneus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 11
Specimens with Barcodes: 66
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial
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