<b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470
The experiment had as objective to study the survival of Piaractus mesopotamicus and Oreochromis niloticus larvae subject to predation by Pantala flavescens larvae with different length classes. We used 120 larvae of P. mesopotamicus, 120 of O. niloticus, and also 24 larvae of Pantala flavescens, di...
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| Format: | Article |
| Language: | English |
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Universidade Estadual de Maringá
2011-07-01
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| Series: | Acta Scientiarum: Biological Sciences |
| Subjects: | |
| Online Access: | https://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5470 |
| _version_ | 1811230422834610176 |
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| author | Carlos Henrique Figueiredo Lacerda Carmino Hayashi Eliana Maria Galdioli Carlos Eduardo Bento Fernandes |
| author_facet | Carlos Henrique Figueiredo Lacerda Carmino Hayashi Eliana Maria Galdioli Carlos Eduardo Bento Fernandes |
| author_sort | Carlos Henrique Figueiredo Lacerda |
| collection | DOAJ |
| description | The experiment had as objective to study the survival of Piaractus mesopotamicus and Oreochromis niloticus larvae subject to predation by Pantala flavescens larvae with different length classes. We used 120 larvae of P. mesopotamicus, 120 of O. niloticus, and also 24 larvae of Pantala flavescens, distributed in 24 aquariums with useful volume for 2 L, being placed one Odonate for aquarium. The treatments differed as regard to the prey species and the predator size, being kept a control treatment. An aquarium (2 L) containing one larvae of Odonate and 10 larvae of fish were considered an experimental unit. After the beginning, each three hours (18:00, 21:00, 0:00, 3:00, 6:00, 9:00, 12:00, 15:00 and 18:00h), the remnant larvae of fish (alive) in each experimental unit was quantified, and we replaced the consumed larvae, so that we always had 10 larvae of fish at each aquarium after each counting. For both fish species, there was a slight increase in consumption by the Odonate with intermediate size, but the values did not differ statistically (p > 0.05). Larvae of Odonate in the treatments with greater length presented a lower consumption (p < 0.05) than in other treatments. |
| first_indexed | 2024-04-12T10:29:02Z |
| format | Article |
| id | doaj.art-32157ad2a49242d98c0eed36c35d084e |
| institution | Directory Open Access Journal |
| issn | 1679-9283 1807-863X |
| language | English |
| last_indexed | 2024-04-12T10:29:02Z |
| publishDate | 2011-07-01 |
| publisher | Universidade Estadual de Maringá |
| record_format | Article |
| series | Acta Scientiarum: Biological Sciences |
| spelling | doaj.art-32157ad2a49242d98c0eed36c35d084e2022-12-22T03:36:53ZengUniversidade Estadual de MaringáActa Scientiarum: Biological Sciences1679-92831807-863X2011-07-0133410.4025/actascibiolsci.v33i4.5470<b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470Carlos Henrique Figueiredo Lacerda0Carmino Hayashi1Eliana Maria Galdioli2Carlos Eduardo Bento Fernandes3Universidade Federal de PernambucoInstituto de PescaUniversidade de MaringáUniversidade de MaringáThe experiment had as objective to study the survival of Piaractus mesopotamicus and Oreochromis niloticus larvae subject to predation by Pantala flavescens larvae with different length classes. We used 120 larvae of P. mesopotamicus, 120 of O. niloticus, and also 24 larvae of Pantala flavescens, distributed in 24 aquariums with useful volume for 2 L, being placed one Odonate for aquarium. The treatments differed as regard to the prey species and the predator size, being kept a control treatment. An aquarium (2 L) containing one larvae of Odonate and 10 larvae of fish were considered an experimental unit. After the beginning, each three hours (18:00, 21:00, 0:00, 3:00, 6:00, 9:00, 12:00, 15:00 and 18:00h), the remnant larvae of fish (alive) in each experimental unit was quantified, and we replaced the consumed larvae, so that we always had 10 larvae of fish at each aquarium after each counting. For both fish species, there was a slight increase in consumption by the Odonate with intermediate size, but the values did not differ statistically (p > 0.05). Larvae of Odonate in the treatments with greater length presented a lower consumption (p < 0.05) than in other treatments.https://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5470experimentOdonatefish larvaepredator and prey |
| spellingShingle | Carlos Henrique Figueiredo Lacerda Carmino Hayashi Eliana Maria Galdioli Carlos Eduardo Bento Fernandes <b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470 Acta Scientiarum: Biological Sciences experiment Odonate fish larvae predator and prey |
| title | <b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470 |
| title_full | <b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470 |
| title_fullStr | <b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470 |
| title_full_unstemmed | <b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470 |
| title_short | <b>Predation of <em>Piaractus mesopotamicus</em> and <em>Oreochromis niloticus</em> larvae by <em>Pantala flavescens</em> with different length classes</b> - doi: 10.4025/actascibiolsci.v33i4.5470 |
| title_sort | b predation of em piaractus mesopotamicus em and em oreochromis niloticus em larvae by em pantala flavescens em with different length classes b doi 10 4025 actascibiolsci v33i4 5470 |
| topic | experiment Odonate fish larvae predator and prey |
| url | https://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5470 |
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