Homosexual Mating in the Planktonic Copepod Pseudodiaptomus annandalei (Copepoda: Calanoida)

Shin-Hong Cheng; Chien-Huei Lee; Hans-Uwe Dahms; Jiang-Shiou Hwang

doi:10.1651/07-2914R.1

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Shin-Hong Cheng,¹ Chien-Huei Lee,¹ Hans-Uwe Dahms,² Jiang-Shiou Hwang²

¹(S-HC) Tungkang Biotechnology Research Center, Fisheries Research Institute, Tungkang, Pingtung 92845, Taiwan, Republic of China
²(C-HL, H-UD; J-SH, corresponding author) Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan 20224, Republic of China

Abstract

We describe homosexual pairing and spermatophore transfer from the calanoid copepod Pseudodiaptomus annandalei. The sexually dimorphic right first antenna of a male clasped another male's caudal setae followed by grasping of the urosome by the fifth swimming leg (P5). The P5 transfered the spermatophore. The observation of spermatophore transfer between males is discussed in the light of copepod reproductive biology.

Citation Download Citation

Shin-Hong Cheng, Chien-Huei Lee, Hans-Uwe Dahms, and Jiang-Shiou Hwang "Homosexual Mating in the Planktonic Copepod Pseudodiaptomus annandalei (Copepoda: Calanoida)," Journal of Crustacean Biology 28(3), 580-582, (1 August 2008). https://doi.org/10.1651/07-2914R.1

Received: 12 February 2007; Accepted: 1 November 2007; Published: 1 August 2008