Notes on Reproduction in the Southern Stingray, Dasyatis americana (Chondrichthyes: Dasyatidae), in a Captive Environment

Alan D. Henningsen

doi:10.1643/0045-8511(2000)000[0826:NORITS]2.0.CO;2

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Alan D. Henningsen¹

¹Biological Programs, National Aquarium in Baltimore, Pier 3, 501 East Pratt Street, Baltimore, Maryland 21202. . ahenningsen@aqua.org

Abstract

Aspects of the reproductive biology of the Southern Stingray, Dasyatis americana, were determined from five captive adult females and their offspring. Mean size and weight of the neonates were 238.0 ± 1.6 mm disc width and 505.9 ± 10.7 g, respectively. Litter size (n = 47), which ranged from two to 10, averaged 4.2 ± 0.3 and varied directly with maternal size and indirectly with size and weight of neonates. Gestation (n = 47) ranged from 135 days to 226 days with a mean of 175.4 ± 4.1 days.

The American Society of Ichthyologists and Herpetologists

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Alan D. Henningsen "Notes on Reproduction in the Southern Stingray, Dasyatis americana (Chondrichthyes: Dasyatidae), in a Captive Environment," Copeia 2000(3), 826-828, (1 August 2000). https://doi.org/10.1643/0045-8511(2000)000[0826:NORITS]2.0.CO;2

Accepted: 16 November 1999; Published: 1 August 2000

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