Specific testicular morphology in the atherinomorph Odontesthes nigricans (Richardson,1848): a comparison with the sympatric species O. smitti (Lahille, 1929)

MORRICONI, E.; LATTUCA, M.E.; BOY, C.C.; CALVO, J.

JOURNAL OF APPLIED ICHTHYOLOGY-ZEITSCHRIFT FUR ANGEWANDTE ICHTHYOLOGIE

Blackwell-Verlag

Lugar: Berlin; Año: 2009 vol. 25 p. 485 - 487

0175-8659

<!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> <!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:ES-TRAD; mso-no-proof:yes;} @page Section1 {size:595.3pt 841.9pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:35.4pt; mso-footer-margin:35.4pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> Testis of Odontesthes smitti and O. nigricans, included among the spermatogonial restricted type, are described for the first time. Particularly, O. nigricans has an unusual testicular morphology with numerous lobes that increase their surface and their capacity to produce spermatogonia.