Hyphessobrycon eques
Hyphessobrycon eques
(serpae tetra)
Fishes
Exotic
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Hyphessobrycon eques (Steindachner, 1882)

Common name: serpae tetra

Synonyms and Other Names: H. callistus (Boulenger, 1900), H. serpae Durbin in Eigenmann, 1908; jewel tetra, red minor tetra, blood tetra.

Taxonomy: available through www.itis.govITIS logo

Identification: According to Géry (1977), the genus Hyphessobrycon contains approximately 65 species and needs systematic revision. Hyphessobrycon eques is a species complex and includes the junior synonym H. serpae (Weitzman and Palmer 1997). See Géry for an identification key and a color photograph. A color photograph was also published in Axelrod et al. (1985).

Size: 4 cm.

Native Range: Tropical America. Central Amazon basin and Guianas (Géry 1977).

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Nonindigenous Occurrences: The only record of this species (previously reported as H. serpae) is that of two specimens taken in Florida from a canal at the upper end of Mill Bayou, Bay County, in September 1989 (FL DNR, personal communication).

Means of Introduction: Likely aqarium release.

Status: Failed in Florida.

Impact of Introduction: Unknown.

Remarks: This is a well-known aquarium species. There are no known voucher specimens.

References: (click for full references)

Axelrod, H.R., W.E. Burgess, N. Pronek, and J.G. Walls. 1985. Dr. Axelrod's atlas of freshwater aquarium fishes. Tropical Fish Hobbyist Publications, Inc., Neptune City, NJ.

FL DNR - Florida Department of Natural Resources.

Géry, J. 1977. Characoids of the world. Tropical Fish Hobbyist Publications, Inc., Neptune City, NJ.

Weitzman, S.H. and L. Palmer. 1997. A new species of Hyphessobrycon (Teleostei: Characidae) from Neblina region of Venezuela and Brazil, with comments on the putative 'rosy tetra clade'. Ichthyological Exploration of Freshwater 7(3):209-242.

Other Resources:
FishBase Fact Sheet

Author: Leo Nico

Revision Date: 6/22/2012

Citation Information:
Leo Nico. 2017. Hyphessobrycon eques. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=422 Revision Date: 6/22/2012


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Page Last Modified: Thursday, January 26, 2017

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Citation information: U.S. Geological Survey. [2017]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/29/2017].

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