Specimen Information

Colossoma or Piaractus sp.
Colossoma or Piaractus sp.
(unidentified pacu)

Specimen ID43204
GenusColossoma or Piaractus
Common Nameunidentified pacu
LocalitySan Marcos and Blanco rivers, confluence of
Mapping AccuracyAccurate
HUC8 NameSan Marcos
HUC8 Number12100203
HUC10 NameUpper San Marcos River
HUC10 Number1210020303
HUC12 NameMorrison Creek-San Marcos River
HUC12 Number121002030304
Collection Month7
Collection Year1990
Year AccuracyActual
Potential Pathwayreleased aquarium
Reference 1
Ref. Number:7
Author:Howells, R.G., R.L. Benefield, and J.M. Mambretti.
Title:Records of pacus (Colossoma spp.) and piranhas (Serrasalmus spp.) in Texas. Management Data Series No. 70
Publisher:Texas Parks and Wildlife Department, Fisheries Division
Pages:4 pp
CommentsNo evidence of successful overwintering or natural reproduction which would suggest established populations.
Record TypeLiterature
VerifierL.T. Fries, Texas Parks and Wildlife Department
Number Collected1
Size381 mm TL, 2.3 kg


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/20/2019].

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