Gambusia georgei sp. nov. from San Marcos, Texas

Citation

Material Information

Title:
Gambusia georgei sp. nov. from San Marcos, Texas
Series Title:
Copeia
Creator:
Hubbs, Clark
Peden, Alex E.
Publisher:
American Society of Ichthyologists and Herpetologists (ASIH)
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Animal Fins ( local )
Elbow ( local )
Hybrid Species ( local )
Pigments ( local )
Sympatric Species ( local )
Freshwater Ecology ( local )
Genetic Hybridization ( local )
Aquatic Plants ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
Three species of Gambusia occur sympatrically in the upper San Marcos River; each species occupies a specific habitat. One has not previously been noted in the literature and is herein described as Gambusia georgei. The limited hybridization with G. affinis does not seem to have reduced the specific integrity of either type. The new species is extremely rare and could be exterminated by minor habitat modifications. Gambusia georgei is a localized endemic inhabiting thermally consistent shallow water over muddy bottom with sparse aquatic vegetation in the San Marcos River. It is differentiated from all other species of Gambusia by having more than 5 segments of 4a incorporated into the elbow and by having a compound claw on the end of 4p.
Original Version:
Copeia, Vol. 1969, no. 2 (1969-06-03).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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