The gonads of adult males of the black-striped pipejishSyngnathus abasterwere observed during the reproductive season to describe mature sperm both quantitativel/y and qualitatively. The results show that: a) the sperms number is always very low and, does not vary significantly during the reproductive season; b) all mature sperms observed may be assigned to the introsperm-like type. These data suggest that the unique and functional sperm of Syngnathids pertain to the introsperm type typical of internally fertilizing teleostean bony fishes.
Spermatogenesis and sperm structure in the black-striped pipefishSyngnathus abaster(Teleostei, Syngnathidae) = Spermatogenesi e struttura degli spermatozoi inSyngnathus abaster(Teleostei, Synghathidae) / Corso, Gavina; Carcupino, Marcella; Biagi, Francesca; Addis, Alberto. - In: BIOLOGIA MARINA MEDITERRANEA. - ISSN 1123-4245. - 17:1(2010), pp. 382-383.
Spermatogenesis and sperm structure in the black-striped pipefishSyngnathus abaster(Teleostei, Syngnathidae) = Spermatogenesi e struttura degli spermatozoi inSyngnathus abaster(Teleostei, Synghathidae)
Corso, Gavina;Carcupino, Marcella;Biagi, Francesca;Addis, Alberto
2010-01-01
Abstract
The gonads of adult males of the black-striped pipejishSyngnathus abasterwere observed during the reproductive season to describe mature sperm both quantitativel/y and qualitatively. The results show that: a) the sperms number is always very low and, does not vary significantly during the reproductive season; b) all mature sperms observed may be assigned to the introsperm-like type. These data suggest that the unique and functional sperm of Syngnathids pertain to the introsperm type typical of internally fertilizing teleostean bony fishes.File | Dimensione | Formato | |
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