Year 2020, Volume 3 , Issue 2, Pages 72 - 84 2020-04-01

Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin

Hamidou ARAME [1] , Alphonse ADITE [2] , Nambil Kayode ADJIBADE [3] , Rachad SIDI IMOROU [4] , Pejanos Pejanos SONON [5]


In the Niger River in Benin, the fishes of Mochokidae family are of high commercial and economic importance. The current study investigated size structures, length-weight relationships and condition factors of these catfishes in order to evaluate their plumpness. Mochokids were sampled monthly from February 2015 to July 2016 with traps, seine and gillnet. Overall, the fish species showed unimodal, bimodal and tri-modal standard-length distributions. Length-weight models displayed allometric coefficients (b) varying between 2.236 and 3.380, indicating positive and negative allometric growth with correlation coefficients (r) ranging between 0.87 and 0.99. Condition factors were moderate to low and varied from K= 0.409 for Synodontis frontosus to K= 7.276 for Synodontis sorex that showed a higher value K= 31.13 in aquatic vegetation. Major threats were the use of chemical fertilizers and pesticides for adjacent agriculture, the retrieval of water for agriculture and domestic uses, the invasion of floating plants, the introduction of exotic fish species and overfishing. These data constitute valuable fisheries documentation that will contribute to conservation, valorization and sustainable exploitation of Mochokid fishes in Niger River in Benin.
Allometric growth, Conservation, Synodontis schall, Sustainable exploitation
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Primary Language en
Subjects Marine and Freshwater Biology
Journal Section Research Articles
Authors

Orcid: 0000-0002-0039-7787
Author: Hamidou ARAME
Institution: Laboratoire d’Ecologie et de Management des Ecosystèmes Aquatiques (LEMEA), Département de Zoologie, Faculté des Sciences et Techniques, Université d’Abomey-Calavi. BP: 526 Cotonou, Bénin
Country: Benin


Orcid: 0000-0002-2255-4464
Author: Alphonse ADITE (Primary Author)
Institution: Laboratoire d’Ecologie et de Management des Ecosystèmes Aquatiques (LEMEA), Département de Zoologie, Faculté des Sciences et Techniques, Université d’Abomey-Calavi. BP: 526 Cotonou, Bénin
Country: Benin


Orcid: 0000-0001-8656-3602
Author: Nambil Kayode ADJIBADE
Institution: Laboratoire d’Ecologie et de Management des Ecosystèmes Aquatiques (LEMEA), Département de Zoologie, Faculté des Sciences et Techniques, Université d’Abomey-Calavi. BP: 526 Cotonou, Bénin.
Country: Benin


Orcid: 0000-0001-6910-0059
Author: Rachad SIDI IMOROU
Institution: Laboratoire d’Ecologie et de Management des Ecosystèmes Aquatiques (LEMEA), Département de Zoologie, Faculté des Sciences et Techniques, Université d’Abomey-Calavi. BP: 526 Cotonou, Bénin
Country: Benin


Orcid: 0000-0003-3810-7623
Author: Pejanos Pejanos SONON
Institution: Laboratoire d’Ecologie et de Management des Ecosystèmes Aquatiques (LEMEA), Département de Zoologie, Faculté des Sciences et Techniques, Université d’Abomey-Calavi. BP: 526 Cotonou, Bénin
Country: Turkey


Thanks We are grateful to the Laboratory of Ecology and Aquatics Ecosystems Management (LEMEA) of the Department of Zoology, Faculty of Sciences and Technics, University of Abomey-Calavi for its logistic assistance. Many thanks to Mama Razack, Boro Gado Ikililou, Akonou Germard, Aholou Didier, Kpade Bernard and the fishermen for their help in fish sampling. We also thank the numerous reviewers for their thorough peer-review of this manuscript.
Dates

Application Date : December 24, 2019
Acceptance Date : March 1, 2020
Publication Date : April 1, 2020

Bibtex @research article { aquatres664374, journal = {Aquatic Research}, issn = {}, eissn = {2618-6365}, address = {Esnaf Mah. Pembe Köşk Sok. Kentplus Kadıköy Sitesi B Blok D435 Kadıköy-İstanbul}, publisher = {ScientificWebJournals}, year = {2020}, volume = {3}, pages = {72 - 84}, doi = {10.3153/AR20007}, title = {Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin}, key = {cite}, author = {ARAME, Hamidou and ADITE, Alphonse and ADJIBADE, Nambil and SIDI IMOROU, Rachad and SONON, Pejanos} }
APA ARAME, H , ADITE, A , ADJIBADE, N , SIDI IMOROU, R , SONON, P . (2020). Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin. Aquatic Research , 3 (2) , 72-84 . DOI: 10.3153/AR20007
MLA ARAME, H , ADITE, A , ADJIBADE, N , SIDI IMOROU, R , SONON, P . "Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin". Aquatic Research 3 (2020 ): 72-84 <http://aquatres.scientificwebjournals.com/en/issue/51225/664374>
Chicago ARAME, H , ADITE, A , ADJIBADE, N , SIDI IMOROU, R , SONON, P . "Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin". Aquatic Research 3 (2020 ): 72-84
RIS TY - JOUR T1 - Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin AU - Hamidou ARAME , Alphonse ADITE , Nambil Kayode ADJIBADE , Rachad SIDI IMOROU , Pejanos Pejanos SONON Y1 - 2020 PY - 2020 N1 - doi: 10.3153/AR20007 DO - 10.3153/AR20007 T2 - Aquatic Research JF - Journal JO - JOR SP - 72 EP - 84 VL - 3 IS - 2 SN - -2618-6365 M3 - doi: 10.3153/AR20007 UR - https://doi.org/10.3153/AR20007 Y2 - 2020 ER -
EndNote %0 Aquatic Research Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin %A Hamidou ARAME , Alphonse ADITE , Nambil Kayode ADJIBADE , Rachad SIDI IMOROU , Pejanos Pejanos SONON %T Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin %D 2020 %J Aquatic Research %P -2618-6365 %V 3 %N 2 %R doi: 10.3153/AR20007 %U 10.3153/AR20007
ISNAD ARAME, Hamidou , ADITE, Alphonse , ADJIBADE, Nambil , SIDI IMOROU, Rachad , SONON, Pejanos . "Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin". Aquatic Research 3 / 2 (April 2020): 72-84 . https://doi.org/10.3153/AR20007
AMA ARAME H , ADITE A , ADJIBADE N , SIDI IMOROU R , SONON P . Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin. Aquat Res. 2020; 3(2): 72-84.
Vancouver ARAME H , ADITE A , ADJIBADE N , SIDI IMOROU R , SONON P . Length-weight relationships and condition factors of Mochokidae (Pisces: Teleostei: Siluriformes) from Niger River, Northern Benin. Aquatic Research. 2020; 3(2): 84-72.