Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae)
Ovigerous females of Uca thayeri and U. uruguayensis were used to achieve and compare their reproductive pattern. The females mean size was 6.6 ± 0.8mm for U. uruguayensis and 17.3± 4.4mm for U. thayeri. The mean fecundity obtained for U. uruguayensis was 1883 ± 490 eggs (N = 27) and for U. thayeri was 31068 ± 11186 eggs (N = 31). The differences observed in reproductive pattern of U. thayeri and U. uruguayensis suggest an adaptive strategy by each species: U. thayeri presented seasonal reproduction with a pronounced intensity from January to March and higher fecundity, while U. uruguayensis reproduction was continuous all year round, but with lower fecundity.
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Instituto de Tecnologia do Paraná - Tecpar
2006
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oai:scielo:S1516-891320060001000142006-04-10Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae)Costa,Tânia MarciaSilva,Stella Maris JanuárioNegreiros-Fransozo,Maria Lucia Crustacea fiddler crab fecundity Uca thayeri U. uruguayensis reproductive pattern Ovigerous females of Uca thayeri and U. uruguayensis were used to achieve and compare their reproductive pattern. The females mean size was 6.6 ± 0.8mm for U. uruguayensis and 17.3± 4.4mm for U. thayeri. The mean fecundity obtained for U. uruguayensis was 1883 ± 490 eggs (N = 27) and for U. thayeri was 31068 ± 11186 eggs (N = 31). The differences observed in reproductive pattern of U. thayeri and U. uruguayensis suggest an adaptive strategy by each species: U. thayeri presented seasonal reproduction with a pronounced intensity from January to March and higher fecundity, while U. uruguayensis reproduction was continuous all year round, but with lower fecundity.info:eu-repo/semantics/openAccessInstituto de Tecnologia do Paraná - TecparBrazilian Archives of Biology and Technology v.49 n.1 20062006-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000100014en10.1590/S1516-89132006000100014 |
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Costa,Tânia Marcia Silva,Stella Maris Januário Negreiros-Fransozo,Maria Lucia |
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Costa,Tânia Marcia Silva,Stella Maris Januário Negreiros-Fransozo,Maria Lucia Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae) |
| author_facet |
Costa,Tânia Marcia Silva,Stella Maris Januário Negreiros-Fransozo,Maria Lucia |
| author_sort |
Costa,Tânia Marcia |
| title |
Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae) |
| title_short |
Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae) |
| title_full |
Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae) |
| title_fullStr |
Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae) |
| title_full_unstemmed |
Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae) |
| title_sort |
reproductive pattern comparison of uca thayeri rathbun, 1900 and u. uruguayensis nobili, 1901 (crustacea, decapoda, ocypodidae) |
| description |
Ovigerous females of Uca thayeri and U. uruguayensis were used to achieve and compare their reproductive pattern. The females mean size was 6.6 ± 0.8mm for U. uruguayensis and 17.3± 4.4mm for U. thayeri. The mean fecundity obtained for U. uruguayensis was 1883 ± 490 eggs (N = 27) and for U. thayeri was 31068 ± 11186 eggs (N = 31). The differences observed in reproductive pattern of U. thayeri and U. uruguayensis suggest an adaptive strategy by each species: U. thayeri presented seasonal reproduction with a pronounced intensity from January to March and higher fecundity, while U. uruguayensis reproduction was continuous all year round, but with lower fecundity. |
| publisher |
Instituto de Tecnologia do Paraná - Tecpar |
| publishDate |
2006 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000100014 |
| work_keys_str_mv |
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