Reproductive cycle of the Amazonian planktivorous catfish Hypophthalmus marginatus (Siluriformes, Pimelodidae)
We evaluated the annual process of oocyte and ovarian development of the planktivorous Amazonian catfish, the mapará (Hypophthalmus marginatus), aiming to support captive reproduction for domestication. A total of 149 females were captured from the Tocantins River at the Tucuruí Dam (3°49'55&qu...
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| Veröffentlicht in: | Aquaculture research 2019-11, Vol.50 (11), p.3382-3391 |
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| creator | Hainfellner, Patrick Kuradomi, Rafael Yutaka Souza, Thiago Gonçalves Sato, Rafael Tomoda Figueiredo‐Ariki, Daniel Guimarães Antônio de Freitas, Guilherme Queiroz, Luciano Valenti, Wagner C. Valenti, Patricia Moraes Ge, Wei Batlouni, Sergio Ricardo |
| description | We evaluated the annual process of oocyte and ovarian development of the planktivorous Amazonian catfish, the mapará (Hypophthalmus marginatus), aiming to support captive reproduction for domestication. A total of 149 females were captured from the Tocantins River at the Tucuruí Dam (3°49'55"S, 49°39'9"W) in 13 sampling events. For each individual, we evaluated ovary histology and plasma steroid concentrations. Two annual reproductive cycles, with similar characteristics, including a long period of rest, a short vitellogenic stage and a well‐defined spawning season from November to March, were described. A 17β‐estradiol (E2) rise and a 17α,20β‐dihydroxy‐4‐pregnen‐3‐one (DHP) peak were associated with vitellogenesis and spawning season, respectively, in the first cycle but not in the second reproductive cycle. In conclusion, the studied species presents a reproductive cycle similar to that of other migratory total spawners; however, unusually for this group of fish, there were three (but not two) batches of vitellogenic oocytes in “in maturation” and “mature” stage ovaries, pointing to the possibility of more than one spawn during the spawning season. |
| doi_str_mv | 10.1111/are.14296 |
| format | Article |
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A total of 149 females were captured from the Tocantins River at the Tucuruí Dam (3°49'55"S, 49°39'9"W) in 13 sampling events. For each individual, we evaluated ovary histology and plasma steroid concentrations. Two annual reproductive cycles, with similar characteristics, including a long period of rest, a short vitellogenic stage and a well‐defined spawning season from November to March, were described. A 17β‐estradiol (E2) rise and a 17α,20β‐dihydroxy‐4‐pregnen‐3‐one (DHP) peak were associated with vitellogenesis and spawning season, respectively, in the first cycle but not in the second reproductive cycle. In conclusion, the studied species presents a reproductive cycle similar to that of other migratory total spawners; however, unusually for this group of fish, there were three (but not two) batches of vitellogenic oocytes in “in maturation” and “mature” stage ovaries, pointing to the possibility of more than one spawn during the spawning season.</description><identifier>ISSN: 1355-557X</identifier><identifier>EISSN: 1365-2109</identifier><identifier>DOI: 10.1111/are.14296</identifier><language>eng</language><publisher>Oxford: Hindawi Limited</publisher><subject>17β-Estradiol ; aquaculture ; Aquatic life ; Catfish ; Domestication ; Females ; filter‐feeding fish ; Fish ; Freshwater fishes ; Gametocytes ; Histology ; Hypophthalmus marginatus ; Maturation ; Menopause ; Oocytes ; Ovaries ; Reproductive cycle ; Reproductive status ; Rivers ; Seasons ; Sex hormones ; Spawning ; Spawning populations ; Spawning seasons ; Steroids ; Vitellogenesis</subject><ispartof>Aquaculture research, 2019-11, Vol.50 (11), p.3382-3391</ispartof><rights>2019 John Wiley & Sons Ltd</rights><rights>Copyright © 2019 John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3326-a851f22705c6a85e64cb99c1654386765820ca0c37ae35bcc4aa07cd4357e8323</citedby><cites>FETCH-LOGICAL-c3326-a851f22705c6a85e64cb99c1654386765820ca0c37ae35bcc4aa07cd4357e8323</cites><orcidid>0000-0002-8220-7042 ; 0000-0002-8579-2750 ; 0000-0002-8526-1052 ; 0000-0003-3579-2530</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fare.14296$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fare.14296$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Hainfellner, Patrick</creatorcontrib><creatorcontrib>Kuradomi, Rafael Yutaka</creatorcontrib><creatorcontrib>Souza, Thiago Gonçalves</creatorcontrib><creatorcontrib>Sato, Rafael Tomoda</creatorcontrib><creatorcontrib>Figueiredo‐Ariki, Daniel Guimarães</creatorcontrib><creatorcontrib>Antônio de Freitas, Guilherme</creatorcontrib><creatorcontrib>Queiroz, Luciano</creatorcontrib><creatorcontrib>Valenti, Wagner C.</creatorcontrib><creatorcontrib>Valenti, Patricia Moraes</creatorcontrib><creatorcontrib>Ge, Wei</creatorcontrib><creatorcontrib>Batlouni, Sergio Ricardo</creatorcontrib><title>Reproductive cycle of the Amazonian planktivorous catfish Hypophthalmus marginatus (Siluriformes, Pimelodidae)</title><title>Aquaculture research</title><description>We evaluated the annual process of oocyte and ovarian development of the planktivorous Amazonian catfish, the mapará (Hypophthalmus marginatus), aiming to support captive reproduction for domestication. A total of 149 females were captured from the Tocantins River at the Tucuruí Dam (3°49'55"S, 49°39'9"W) in 13 sampling events. For each individual, we evaluated ovary histology and plasma steroid concentrations. Two annual reproductive cycles, with similar characteristics, including a long period of rest, a short vitellogenic stage and a well‐defined spawning season from November to March, were described. A 17β‐estradiol (E2) rise and a 17α,20β‐dihydroxy‐4‐pregnen‐3‐one (DHP) peak were associated with vitellogenesis and spawning season, respectively, in the first cycle but not in the second reproductive cycle. 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A total of 149 females were captured from the Tocantins River at the Tucuruí Dam (3°49'55"S, 49°39'9"W) in 13 sampling events. For each individual, we evaluated ovary histology and plasma steroid concentrations. Two annual reproductive cycles, with similar characteristics, including a long period of rest, a short vitellogenic stage and a well‐defined spawning season from November to March, were described. A 17β‐estradiol (E2) rise and a 17α,20β‐dihydroxy‐4‐pregnen‐3‐one (DHP) peak were associated with vitellogenesis and spawning season, respectively, in the first cycle but not in the second reproductive cycle. In conclusion, the studied species presents a reproductive cycle similar to that of other migratory total spawners; however, unusually for this group of fish, there were three (but not two) batches of vitellogenic oocytes in “in maturation” and “mature” stage ovaries, pointing to the possibility of more than one spawn during the spawning season.</abstract><cop>Oxford</cop><pub>Hindawi Limited</pub><doi>10.1111/are.14296</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-8220-7042</orcidid><orcidid>https://orcid.org/0000-0002-8579-2750</orcidid><orcidid>https://orcid.org/0000-0002-8526-1052</orcidid><orcidid>https://orcid.org/0000-0003-3579-2530</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | 17β-Estradiol aquaculture Aquatic life Catfish Domestication Females filter‐feeding fish Fish Freshwater fishes Gametocytes Histology Hypophthalmus marginatus Maturation Menopause Oocytes Ovaries Reproductive cycle Reproductive status Rivers Seasons Sex hormones Spawning Spawning populations Spawning seasons Steroids Vitellogenesis |
| title | Reproductive cycle of the Amazonian planktivorous catfish Hypophthalmus marginatus (Siluriformes, Pimelodidae) |
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