Potential Impact of Climate Change on Fish Reproductive Phenology: A Case Study in Gonochoric and Hermaphrodite Commercially Important Species from the Southern Gulf of Mexico

Brulé, Thierry; Renán, Ximena; Colás-Marrufo, Teresa

doi:10.3390/fishes7040156

Cited by 17 publications

(8 citation statements)

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“…The temperature and rainfall may have great impacts on the GSI, fecundity, and oocyte development of female broodstock [ 58 , 59 ]. Furthermore, the reproduction ovarian oocytes development of fish may be affected by numerous factors, including rainfall, water temperature, and photoperiod, along with physicochemical features of water and features relating to the fish holding conditions [ 54 , 60 – 64 ]. An overall variation of reproductive traits and ovarian development of broodstock in this study might be due to the environmental variables, habitat rich, and food.…”

Section: Discussionmentioning

confidence: 99%

Comparative study of ovarian development in wild and captive-reared long-whiskered Sperata aor (Hamilton, 1822)

Kabir¹,

Iqbal²,

Nandi³

et al. 2023

BMC Zool

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Long-whiskered catfish Sperata aor is a freshwater catfish known for its supreme flesh quality and fast growth, whose captive-reared broodstock denotes a difficult challenge for aquaculture. The reproductive dysfunctions in long-whiskered catfish raised in tank conditions were observed by comparing tissue biochemical composition and ovarian histology of wild female broodstock. Sixty (60) female broodstocks were used in the current study, consisting of 30 reared at sandy-muddy soil tank bottoms in captive conditions and 30 wild individuals collected from the haor basin during the breeding season. The fish reproductive state was investigated using the biometric and reproductive parameters, biochemical composition and levels of amino acids in the different tissues, and histological analysis of ovarian development. Results revealed that the biometrical parameters of wild and captive female broodstocks exhibited no remarkable difference (p > 0.05). Nevertheless, the wild fish had remarkably higher (p < 0.05) GSI (8.73%), oocyte weight (0.45 mg/egg), and ripeness (27.08%) in comparison with captive-reared broodstock. The total length and body weight, body weight and ovary weight, ovipositor diameter and ovary weight, and GSI and HSI displayed a positive relationship with R2 = 1, R2 = 1, R2 = 0.993, and R2 = 0.973, respectively, for wild broodstock, while R2 = 0.994, R2 = 0.806, R2 = 0.804, and R2 = 0.896, respectively, for captive broodstock. Additionally, the proximate composition in oocytes and liver tissues in both broodstocks did not differ significantly (p > 0.05). However, two essential amino acids (EAA), i.e., lysine and phenylalanine, and two non-essential amino acids, i.e., glutamic acid and glycine, were highly significant differences (p < 0.05) in the oocytes and liver of wild broodstock compared to the captive-reared broodstock. On the other hand, the EAA, e.g., isoleucine, threonine, leucine, and arginine, were highly dominated in both wild and captive female brood oocytes and liver. The ovarian histological slides from each fish group showed three oocytes developmental stages that indicated the asynchronous-reproductive ovarian oocytes of this fish. This study may be useful to fully understand the factors affecting the spawning and reproduction of S. aor broodstock, crucial for management in captive conditions as well as conservation and protection for sustainable aquaculture management of S. aor.

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Section: Discussionmentioning

confidence: 99%

Comparative study of ovarian development in wild and captive-reared long-whiskered Sperata aor (Hamilton, 1822)

Kabir¹,

Iqbal²,

Nandi³

et al. 2023

BMC Zool

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“…Females reach sexual maturity (50% maturity level, L 50 ) at a length of 50.9 cm fork length (FL), and sexual inversion or sex change typically occurs at a mean size of 59.7 cm FL [72]. Te current fecundity pattern is unknown, and it is unclear whether it follows a determinate or indeterminate type [76].…”

Section: Reproductive Strategiesmentioning

confidence: 99%

Length-Based Spawning Potential Ratio (LB-SPR) for Red Grouper (Epinephelus morio) and Associated Species in the Commercial Fishery of the Yucatan Peninsula, Mexico

Rincón‒Sandoval,

López‒Rocha

2024

Journal of Applied Ichthyology

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The study calculated the Length-Based Spawning Potential Ratio (LB-SPR) for several species, including red grouper (Epinephelus morio), black grouper (Mycteroperca bonaci), gag grouper (M. microlepis), yellowtail snapper (Ocyurus chrysurus), lane snapper (Lutjanus synagris), hogfish (Lachnolaimus maximus), and white grunt (Haemulon plumierii). Data were obtained from the small-scale commercial fleet operating in the red grouper fishery on the Campeche Bank within the Yucatan Peninsula. Monthly records of total length (cm) from April 2017 to May 2018, totaling 10,182 fish, were collected from five fishing ports along the Yucatan Peninsula coast. Biological data, such as growth and reproductive patterns and exploitation parameters were gathered from scientific literature. The LB-SPR package on the R Core Team platform was utilized for analysis. Despite being the largest, groupers exhibited immaturity (SL50<L50) and low Spawning Potential Ratio (SPR). Red and black groupers showed particularly low SPR values (0.10 and 0.05, respectively), indicating a looming risk of local extinction. The gag grouper achieved the highest SPR value (0.26) among groupers, although it was very close to the minimum critical value (i.e., 0.20). Snappers, hogfish, and white grunt were generally captured in the adult state (SL50>L50). Yellowtail, hogfish, and white grunt displayed high SPR values (0.44, 0.72, and 0.98, respectively). Lane snapper had a low SPR (0.28) but fell within the range for maintaining satisfactory stock productivity, albeit with reduced yields. The findings emphasize the urgent need to adjust the current management framework for the red grouper fishery, focusing on improving fishing gear selectivity to address heightened pressure on both juvenile groupers and adult lane snapper. Implementing these measures is crucial to mitigate the risks of local extinction and population decline for each species.

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“…Lithophilic species spawn earlier than phytophilic species [142]. Climate warming in general and earlier warming in spring during and after the spawning period can significantly shift the phenological rhythms of fish and their food objects [143,144], to which previously spawning lithophilic species are more sensitive.…”

Section: Effects Of Global Warming On Fish Communitiesmentioning

confidence: 99%

Which Fish Benefit from the Combined Influence of Eutrophication and Warming in the Dnipro River (Ukraine)?

Zymaroieva

Bondarev²,

Кунах

et al. 2022

Fishes

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The effects of climate warming and eutrophication on aquatic organisms are well established, but we lack a deep understanding of the selective mechanisms of fish communities towards eutrophication and warming in tandem. The aim of the study was to identify fish traits that were positively related to eutrophication and ongoing warming. The research was conducted for 19 years in the Dnipro River channel and floodplain water system of the “Dnipro-Orylskiy” Nature Reserve. Both categorical and continuous fish traits were considered. The study area is characterized by a more intense warming trend than the average for Europe, which reflects an increase in the maximum summer air temperature. At the same time, the concentration of chlorophyll-a had a monotonic tendency to decrease during the study period. Phytophilic, limnophilic, and freshwater fish species are increasing in abundance, while rheophilic and lithophilic fish are decreasing due to global warming. Fish species with greater vulnerability and resilience have selective advantages in terms of global warming. Pelagic fish species are the most resistant to eutrophication, while benthopelagic and phytolithophilic fish species are the most sensitive. Brackish-water demersal self-settled species of marine origin have a competitive advantage over other native freshwater species in the face of increasing symptoms of eutrophication and a warming climate.

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Potential Impact of Climate Change on Fish Reproductive Phenology: A Case Study in Gonochoric and Hermaphrodite Commercially Important Species from the Southern Gulf of Mexico

Cited by 17 publications

References 50 publications

Comparative study of ovarian development in wild and captive-reared long-whiskered Sperata aor (Hamilton, 1822)

Comparative study of ovarian development in wild and captive-reared long-whiskered Sperata aor (Hamilton, 1822)

Length-Based Spawning Potential Ratio (LB-SPR) for Red Grouper (Epinephelus morio) and Associated Species in the Commercial Fishery of the Yucatan Peninsula, Mexico

Which Fish Benefit from the Combined Influence of Eutrophication and Warming in the Dnipro River (Ukraine)?

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