Gonadal cycle in an Adelomelon brasiliana (Neogastropoda: Volutidae) population of Buenos Aires province, Argentina
Cledon, M.; Arntz, W.; Penchaszadeh, P.E. (2005). Gonadal cycle in an Adelomelon brasiliana (Neogastropoda: Volutidae) population of Buenos Aires province, Argentina. Mar. Biol. (Berl.) 147(2): 439-445. http://dx.doi.org/10.1007/s00227-005-1588-7
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793, meer
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| Auteurs | | Top |
- Cledon, M.
- Arntz, W.
- Penchaszadeh, P.E.
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| Abstract |
The reproductive season of the Adelomelon brasiliana population of Mar del Plata extends from September to April (austral spring and summer), showing synchronisation with water temperature. Adult gonad state is related to shell-free wet mass. Oocytes reach 200 µm in diameter before spawning. In autumn, a resting phase begins, when no new oocytes develop and the non-spawned ones undergo reabsorption. Gonadic development begins during the early winter, when new previtellogenic oocytes can be observed through histology. The long reproductive season would increase the ability of the species to recover from harvesting. |
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