Overview

Comprehensive Description

Biology

Adults swim mainly in the upper and middle water layers. Feed on worms, small insects and crustaceans (Ref. 5723). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51150). Mature males always with gill glands and hooks in the anal fin ray (Ref. 58431).
  • Lima, R.S. 2003 Subfamily Aphyocharacinae (Characins). p. 197-199. 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. 38382)
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Distribution

South America: Paraná River basin.
  • Lima, R.S. 2003 Subfamily Aphyocharacinae (Characins). p. 197-199. 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. 38382)
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Paraná River basin: Argentina, Brazil and Paraguay.
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Physical Description

Size

Maximum size: 55 mm ---
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Max. size

5.5 cm TL (male/unsexed; (Ref. 38382))
  • Lima, R.S. 2003 Subfamily Aphyocharacinae (Characins). p. 197-199. 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. 38382)
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 6.0 - 8.0; dH range: 30
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Trophic Strategy

Swims mainly in the upper and middle water layers. Feeds on worms, small insects and crustaceans.
  • Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott 1991 World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
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Life History and Behavior

Life Cycle

In the tank, spawning occurs usually in early morning, after a period of very active driving by the male. Female lays numerous glass-clear eggs, sometimes 700 to 800, which sink to the bottom of the tank. Eggs hatch in about 20 to 25 hours (Ref. 7020). Number of hooks present in the anal fin rays and frequency of occurrence of gill glands suggest stage of maturation in males (Ref. 58431).
  • Mills, D. and G. Vevers 1989 The Tetra encyclopedia of freshwater tropical aquarium fishes. Tetra Press, New Jersey. 208 p. (Ref. 7020)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Aphyocharax anisitsi

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


There is 1 barcode sequence available from BOLD and GenBank.

Below is the 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.

Other sequences that do not yet meet barcode criteria may also be available.

ACCCTTTATTTAGTGTTTGGGGCATGAGCCGGTATAGTTGGTACCGCTCTT---AGCCTTTTAATTCGAGCAGAGCTGAGCCAGCCAGGCTCCCTGCTAGGCGAT---GACCAAATTTACAATGTAATTGTGACTGCCCATGCATTCGTCATGATTTTCTTTATAGTAATACCTGTAATAATTGGAGGCTTCGGAAATTGACTTATTCCCTTAATA---ATCGGGGCCCCTGACATAGCTTTTCCTCGTATAAATAATATAAGCTTCTGACTTCTCCCCCCCTCATTTCTTCTTCTGTTAGCCTCATCAGGGGTTGAAGCTGGAGCAGGTACTGGATGAACAGTCTACCCACCTCTTGCAGGGAATCTTGCTCACGCCGGAGCCTCTGTAGATTTA---ACCATTTTCTCTCTTCACTTAGCAGGTGTGTCATCAATTTTAGGGGCAATTAATTTCATTACAACTATTATTAATATGAAACCACCAGCTGCATCCCAATACCAAACCCCTTTATTCGTTTGAGCAGTATTGATCACGGCTGTCCTTCTACTTCTTTCTTTACCTGTCCTAGCAGCA---GGTATTACTATGCTATTAACAGATCGAAATCTAAACACCACCTTCTTTGACCCCGCAGGCGGAGGTGACCCAATTCTGTATCAACATCTA
-- end --

Download FASTA File

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Statistics of barcoding coverage: Aphyocharax anisitsi

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 7
Specimens with Barcodes: 17
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: highly commercial
  • Mills, D. and G. Vevers 1989 The Tetra encyclopedia of freshwater tropical aquarium fishes. Tetra Press, New Jersey. 208 p. (Ref. 7020)
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Wikipedia

Bloodfin tetra

The bloodfin tetra (Aphyocharax anisitsi) is a species of characin from the Paraná River basin in South America. The bloodfin is a relatively large tetra, growing to 5.5 cm. Its notable feature (as the name suggest) is the blood-red colouration of the tail, dorsal, anal and adipose fin, while the body is silver in color.

Bloodfin tetras are extremely hardy, making them popular with novice fish keepers.

Aquarium care[edit]

Bloodfin tetras are typically kept in schools of five or more. They swim mainly in the upper and middle water layers and are highly sociable fishes, mixing well with other types of tetras and tropical fish in general, so are often kept (like many other tetras) in a community tank. However, they will tend to nip at the fins of fish with long, wavy fins, such as angelfish or guppies. Bloodfin tetras have also been kept in cold-water tanks, provided the temperature does not drop below room temperature. They have been kept in temperatures ranging from 64–83°F. Tetras are adapted to soft, slightly acidic water, and soft water is essential for breeding. Bloodfin tetras can adapt to many water conditions in captivity, if the tap water is dechlorinated.[citation needed]

Breeding[edit]

At the time of spawning the fish leaps above the water surface and leaves its egg in the water. The eggs, being heavy, fall to the floor of the tank or water body. The female deposits 300–500 eggs.[citation needed]

See also[edit]

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