Reproductive biology and management of two commercially important groupers in the SW Atlantic
The reproductive biology of Epinephelus morio (red grouper) and Mycteroperca bonaci (black grouper) were evaluated based on 533 specimens collected from artisanal fisheries landings in the Abrolhos Bank, Brazil, between May 2005 and September 2012. Sex ratio for the black grouper was 1:14 ( n = 155...
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| Veröffentlicht in: | Environmental biology of fishes 2018-01, Vol.101 (1), p.79-94 |
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| creator | Freitas, Matheus O. Previero, Marilia Minte-Vera, Carolina V. Spach, Henry L. Francini-Filho, Ronaldo B. Moura, Rodrigo L. |
| description | The reproductive biology of
Epinephelus morio
(red grouper) and
Mycteroperca bonaci
(black grouper) were evaluated based on 533 specimens collected from artisanal fisheries landings in the Abrolhos Bank, Brazil, between May 2005 and September 2012. Sex ratio for the black grouper was 1:14 (
n
= 155 females and 11 males; 26.1–147 cm TL) and 1:10 for the red grouper (
n
= 334 females and 33 males; 15.0–96.0 cm TL). For both species, highest values of the gonadosomatic index (GSI) for females were recorded between July and October, indicating spawning during the austral winter. The length at first maturity (L
50
) for females was estimated at 62.0 and 47.0 cm TL for the black and red grouper, respectively. Batch fecundity based on TL and TW ranged from 2 to 15.4
∗
10
6
and 1.5 to 13.7
∗
10
6
for the black and red grouper, respectively. Interviews with experienced fishers revealed that spawning seasons of both groupers are largely unrecognized. Results demonstrate a positive relationship between GSI peaks, lower temperatures and stronger winds. The information provided herein may help decision-making regarding fisheries management and conservation for
E. morio
and
M. bonaci
at various levels of governance in the Abrolhos Bank, the region with the largest and richest coralline reefs in the South Atlantic. |
| doi_str_mv | 10.1007/s10641-017-0682-2 |
| format | Article |
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Epinephelus morio
(red grouper) and
Mycteroperca bonaci
(black grouper) were evaluated based on 533 specimens collected from artisanal fisheries landings in the Abrolhos Bank, Brazil, between May 2005 and September 2012. Sex ratio for the black grouper was 1:14 (
n
= 155 females and 11 males; 26.1–147 cm TL) and 1:10 for the red grouper (
n
= 334 females and 33 males; 15.0–96.0 cm TL). For both species, highest values of the gonadosomatic index (GSI) for females were recorded between July and October, indicating spawning during the austral winter. The length at first maturity (L
50
) for females was estimated at 62.0 and 47.0 cm TL for the black and red grouper, respectively. Batch fecundity based on TL and TW ranged from 2 to 15.4
∗
10
6
and 1.5 to 13.7
∗
10
6
for the black and red grouper, respectively. Interviews with experienced fishers revealed that spawning seasons of both groupers are largely unrecognized. Results demonstrate a positive relationship between GSI peaks, lower temperatures and stronger winds. The information provided herein may help decision-making regarding fisheries management and conservation for
E. morio
and
M. bonaci
at various levels of governance in the Abrolhos Bank, the region with the largest and richest coralline reefs in the South Atlantic.</description><identifier>ISSN: 0378-1909</identifier><identifier>EISSN: 1573-5133</identifier><identifier>DOI: 10.1007/s10641-017-0682-2</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal Systematics/Taxonomy/Biogeography ; Artisanal fisheries ; artisanal fishing ; Biology ; Biomedical and Life Sciences ; Brazil ; Decision making ; Environment ; Epinephelus morio ; Fecundity ; Females ; Fish ; Fisheries ; Fisheries management ; Fishers ; Fishery management ; Freshwater & Marine Ecology ; Gonadosomatic index ; Governance ; grouper ; interviews ; Landing statistics ; Life Sciences ; Low temperature ; Males ; Marine fishes ; Mycteroperca bonaci ; Nature Conservation ; reefs ; Reproductive cycle ; Sex ratio ; Spawning ; Spawning seasons ; temperature ; Winds ; winter ; Zoology</subject><ispartof>Environmental biology of fishes, 2018-01, Vol.101 (1), p.79-94</ispartof><rights>Springer Science+Business Media B.V. 2017</rights><rights>Environmental Biology of Fishes is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c349t-65b450d910388665ab7664e21e22e1f0ac59b6c1b3560c3614b43d81434a08843</citedby><cites>FETCH-LOGICAL-c349t-65b450d910388665ab7664e21e22e1f0ac59b6c1b3560c3614b43d81434a08843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10641-017-0682-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10641-017-0682-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Freitas, Matheus O.</creatorcontrib><creatorcontrib>Previero, Marilia</creatorcontrib><creatorcontrib>Minte-Vera, Carolina V.</creatorcontrib><creatorcontrib>Spach, Henry L.</creatorcontrib><creatorcontrib>Francini-Filho, Ronaldo B.</creatorcontrib><creatorcontrib>Moura, Rodrigo L.</creatorcontrib><title>Reproductive biology and management of two commercially important groupers in the SW Atlantic</title><title>Environmental biology of fishes</title><addtitle>Environ Biol Fish</addtitle><description>The reproductive biology of
Epinephelus morio
(red grouper) and
Mycteroperca bonaci
(black grouper) were evaluated based on 533 specimens collected from artisanal fisheries landings in the Abrolhos Bank, Brazil, between May 2005 and September 2012. Sex ratio for the black grouper was 1:14 (
n
= 155 females and 11 males; 26.1–147 cm TL) and 1:10 for the red grouper (
n
= 334 females and 33 males; 15.0–96.0 cm TL). For both species, highest values of the gonadosomatic index (GSI) for females were recorded between July and October, indicating spawning during the austral winter. The length at first maturity (L
50
) for females was estimated at 62.0 and 47.0 cm TL for the black and red grouper, respectively. Batch fecundity based on TL and TW ranged from 2 to 15.4
∗
10
6
and 1.5 to 13.7
∗
10
6
for the black and red grouper, respectively. Interviews with experienced fishers revealed that spawning seasons of both groupers are largely unrecognized. Results demonstrate a positive relationship between GSI peaks, lower temperatures and stronger winds. The information provided herein may help decision-making regarding fisheries management and conservation for
E. morio
and
M. bonaci
at various levels of governance in the Abrolhos Bank, the region with the largest and richest coralline reefs in the South Atlantic.</description><subject>Animal Systematics/Taxonomy/Biogeography</subject><subject>Artisanal fisheries</subject><subject>artisanal fishing</subject><subject>Biology</subject><subject>Biomedical and Life Sciences</subject><subject>Brazil</subject><subject>Decision making</subject><subject>Environment</subject><subject>Epinephelus morio</subject><subject>Fecundity</subject><subject>Females</subject><subject>Fish</subject><subject>Fisheries</subject><subject>Fisheries management</subject><subject>Fishers</subject><subject>Fishery management</subject><subject>Freshwater & Marine Ecology</subject><subject>Gonadosomatic index</subject><subject>Governance</subject><subject>grouper</subject><subject>interviews</subject><subject>Landing statistics</subject><subject>Life Sciences</subject><subject>Low temperature</subject><subject>Males</subject><subject>Marine fishes</subject><subject>Mycteroperca bonaci</subject><subject>Nature Conservation</subject><subject>reefs</subject><subject>Reproductive cycle</subject><subject>Sex ratio</subject><subject>Spawning</subject><subject>Spawning seasons</subject><subject>temperature</subject><subject>Winds</subject><subject>winter</subject><subject>Zoology</subject><issn>0378-1909</issn><issn>1573-5133</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kE1LxDAQhoMouH78AG8BL16qM0maJsdF_AJB8ANPEtJsdu3SNmvSKvvvzbIeRPA0h3nel5mHkBOEcwSoLhKCFFgAVgVIxQq2QyZYVrwokfNdMgFeqQI16H1ykNISAHQlqgl5e_SrGGajG5pPT-smtGGxpraf0c72duE73w80zOnwFagLXeeja2zbrmnTrUIcbN4uYhhXPiba9HR49_TplU6HNm8ad0T25rZN_vhnHpKX66vny9vi_uHm7nJ6Xzgu9FDIshYlzDQCV0rK0taVlMIz9Ix5nIN1pa6lw5qXEhyXKGrBZwoFFxaUEvyQnG178y8fo0-D6ZrkfJuv8GFMhjG28aMUy-jpH3QZxtjn6wxqJWSltYRM4ZZyMaQU_dysYtPZuDYIZiPcbIWbLNxshJtNM9tmUmb7hY-_mv8NfQPDa4H-</recordid><startdate>20180101</startdate><enddate>20180101</enddate><creator>Freitas, Matheus O.</creator><creator>Previero, Marilia</creator><creator>Minte-Vera, Carolina V.</creator><creator>Spach, Henry L.</creator><creator>Francini-Filho, Ronaldo B.</creator><creator>Moura, Rodrigo L.</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QH</scope><scope>7SN</scope><scope>7ST</scope><scope>7TN</scope><scope>7UA</scope><scope>88A</scope><scope>8AO</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>SOI</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20180101</creationdate><title>Reproductive biology and management of two commercially important groupers in the SW Atlantic</title><author>Freitas, Matheus O. ; 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Epinephelus morio
(red grouper) and
Mycteroperca bonaci
(black grouper) were evaluated based on 533 specimens collected from artisanal fisheries landings in the Abrolhos Bank, Brazil, between May 2005 and September 2012. Sex ratio for the black grouper was 1:14 (
n
= 155 females and 11 males; 26.1–147 cm TL) and 1:10 for the red grouper (
n
= 334 females and 33 males; 15.0–96.0 cm TL). For both species, highest values of the gonadosomatic index (GSI) for females were recorded between July and October, indicating spawning during the austral winter. The length at first maturity (L
50
) for females was estimated at 62.0 and 47.0 cm TL for the black and red grouper, respectively. Batch fecundity based on TL and TW ranged from 2 to 15.4
∗
10
6
and 1.5 to 13.7
∗
10
6
for the black and red grouper, respectively. Interviews with experienced fishers revealed that spawning seasons of both groupers are largely unrecognized. Results demonstrate a positive relationship between GSI peaks, lower temperatures and stronger winds. The information provided herein may help decision-making regarding fisheries management and conservation for
E. morio
and
M. bonaci
at various levels of governance in the Abrolhos Bank, the region with the largest and richest coralline reefs in the South Atlantic.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10641-017-0682-2</doi><tpages>16</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0378-1909 |
| ispartof | Environmental biology of fishes, 2018-01, Vol.101 (1), p.79-94 |
| issn | 0378-1909 1573-5133 |
| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Animal Systematics/Taxonomy/Biogeography Artisanal fisheries artisanal fishing Biology Biomedical and Life Sciences Brazil Decision making Environment Epinephelus morio Fecundity Females Fish Fisheries Fisheries management Fishers Fishery management Freshwater & Marine Ecology Gonadosomatic index Governance grouper interviews Landing statistics Life Sciences Low temperature Males Marine fishes Mycteroperca bonaci Nature Conservation reefs Reproductive cycle Sex ratio Spawning Spawning seasons temperature Winds winter Zoology |
| title | Reproductive biology and management of two commercially important groupers in the SW Atlantic |
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