Osmoregulation and differential penetration of two grey mullets, Chelon labrosus (Risso) and Liza ramada (Risso) in estuarine fish ponds

Lasserre, Pierre; Gallis, Jean‐Louis

doi:10.1016/0044-8486(75)90053-8

Cited by 47 publications

(27 citation statements)

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“…In particular, adults and juveniles European seabass perform daily tidal migrations from marine to estuarine waters for feeding (Laf-faille et al, 2001a;. A lack of study and knowledge about thicklip mullets Chelon labrosus has led to no clear evidence for them having similar behaviour, but their presence during flood tides and at low salinity in several estuaries and marshes supports this hypothesis (Gautier and Hussenot, 2005;Lasserre and Gallis, 1975;Nicolas et al, 2010;Feunteun et al, 1999). According to the literature, these two species have similar osmoregulation capacity (Gautier and Hussenot, 2005;Sanchez Vazquez and Munoz-Cueto, 2014) despite belonging to different ecological guilds; thus, their specific responses to salinity and temperature and by extension to climate change can be contrasted.…”

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confidence: 83%

“…In contrast, the number of feeding events and swimming activity of the golden grey mullet (Liza aurata) were found to increase with the water temperature (Como et al, 2014). Although described as euryhaline, thicklip mullets (Chelon labrosus) cannot live for long periods of time in entirely freshwater habitats (Lasserre and Gallis, 1975). The inability of thicklip mullets to develop long-term hypo-osmoregulation in freshwater probably limits the upstream penetration of this species (Lasserre and Gallis, 1975).…”

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confidence: 99%

“…Although described as euryhaline, thicklip mullets (Chelon labrosus) cannot live for long periods of time in entirely freshwater habitats (Lasserre and Gallis, 1975). The inability of thicklip mullets to develop long-term hypo-osmoregulation in freshwater probably limits the upstream penetration of this species (Lasserre and Gallis, 1975).…”

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confidence: 99%

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Difference in responses of two coastal species to fluctuating salinities and temperatures: Potential modification of specific distribution areas in the context of global change

Trancart

Feunteun

Lefrançois

et al. 2016

Estuarine, Coastal and Shelf Science

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In the past several years, all numerical models have forecasted an increase in extreme climatic events linked to global change. Estuarine waters at the interface of marine and freshwater bodies are among the most volatile ecosystems, particularly for aquatic species, and will be strongly influenced by the temperature with extreme flooding events. This study aimed to quantify the acclimation capacity of coastal fish species to estuarine plume modifications. The thicklip mullet (Chelon labrosus) and European seabass (Dicentrarchus labrax ) were selected as representative species of estuarine ecological guilds. These fish were subjected to an experiment mimicking a brief freshwater intrusion (35-5). These experiments were conducted at two different temperatures that these two species would encounter during their incursion from the sea through estuarine waters to freshwater habitats. The experimental results confirmed the high capacity for acclimation of both species to changes in salinity and temperature. Interspecific differences were observed. For example, the salinity has a greater effect on the metabolism of the seabass than on that of the mullets. Meanwhile, the temperature has a greater effect on the mullets. These differences in metabolic responses to fluctuating salinities and temperatures may modify the use of estuarine waters by these species and should be considered when predicting future specific distribution areas in the context of global change.

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confidence: 99%

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Difference in responses of two coastal species to fluctuating salinities and temperatures: Potential modification of specific distribution areas in the context of global change

Trancart

Feunteun

Lefrançois

et al. 2016

Estuarine, Coastal and Shelf Science

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“…The role of variation in osmoregulatory performances in shaping fish distributions is documented at the interspecific level (e.g. Lasserre and Gallis 1975;Plaut 1998;Rigal et al 2008). Lagoons, estuaries and lower parts of rivers act as nurseries withstanding large salinity variation (Vasconcelos et al 2010), possibly promoting intraspecific variation in sea bass.…”

Section: Discussionmentioning

confidence: 99%

Fitness difference between cryptic salinity-related phenotypes of sea bass (<em>Dicentrarchus labrax</em>)

et al. 2014

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Summary:The existence of cryptic salinity-related phenotypes has been hypothesized in the "euryhaline" sea bass (Dicentrarchus labrax). How differential osmoregulation costs between freshwater and saltwater environments affect fitness and phenotypic variation is misunderstood in this species. During an experiment lasting around five months, we investigated changes in the whole body mass and in the expression of growth-related genes (insulin-like growth factor 1 [IGF-1]; growth hormone receptor [GHR]) in the intestine and the liver of sea bass thriving in sea water (SSW), successfully acclimated to freshwater (SFW), and unsuccessfully acclimated to freshwater (UFW). Albeit non-significant, a trend toward change in body mass was demonstrated among SSW, UFW and SFW fish, suggesting that SSW fish were a mixture of the other phenotypes. Several mortality peaks were observed during the experiment, with batches of UFW fish showing higher expression in the osmoregulatory intestine due to down-regulation of genes in the liver and significant up-regulation of GHR in the intestine compared with SFW fish. Energy investment toward growth or ion homeostasis hence partly mediates the fitness difference between cryptic SFW and UFW phenotypes. The use of a genetic marker located within the IGF-1 gene showed no genotype-phenotype relationship with levels of gene expression.Keywords: phenotype; gene expression; growth hormone receptor; insulin-like growth factor 1; sea bass. Diferencia de eficacia biológica entre fenotipos crípticos relacionados con salinidad en la lubina (Dicentrarchus labrax)Resumen: En la especie "eurihalina" de la lubina (Dicentrarchus labrax) se ha planteado la existencia de fenotipos crípticos relacionados con la salinidad. En esta especie los costes diferenciales de osmoregulación a la adaptación en de agua dulce y salada son aún desconocidos. Durante un experimento de aproximadamente 5 meses, se investigó los cambios en la masa corporal y en la expresión de genes relacionados con el crecimiento (factor de crecimiento similar a la insulina 1 [IGF-1]; receptor de la hormona del crecimiento [GHR]) en el intestino y el hígado de lubina en individuos que prosperan en agua de mar (SSW), individuos aclimatados con éxito con el agua dulce (SFW), e individuos no aclimatados al agua dulce (UFW). Aunque no es significativa, se observa una tendencia de cambio en la masa corporal entre individuos SSW, UFW y SFW. Estos resultados sugieren que los individuos SSW son una mezcla de los otros fenotipos. Se observaron varios picos de mortalidad durante el experimento, con lotes de peces UFW que presentan una expresión génica más elevada en el intestino osmoregulador, debido a la regulación a la baja de genes en el hígado y regulación hacia arriba en la GHR del intestino cunado se compara con los peces SFW. Por lo tanto, la inversión de energía hacia el crecimiento o la homeostasis iónica explica en parte la diferencia de adaptación entre los crípticos fenotipos SFW y UFW. El uso de un marcador genético localizado dentro del ...

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“…Until now, almost all trials concerning salinity tolerance have concentrated on lowering the salinity abruptly or gradually, to investigate the percentage survival of fry (Mires et al 1974;Ben-Yami 1981;Nordlie et al 1982) or older fish (Lasserre & Gallis 1975). Little attention has been paid to tolerance and acclimation of mugilid fry at salinities higher than normal SW.…”

Section: Introductionmentioning

confidence: 99%

Salinity tolerance and gill histopathological alterations inLiza aurataRisso, 1810 (Actinopterygii: Mugilidae) fry

Moghadam

Behrouz

Khorjestan

et al. 2013

Italian Journal of Zoology

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Gill histopathological alterations in Golden Grey Mullet, Liza aurata, fry in acute salinity exposure were studied by light and scanning electron microscopy (SEM). The Golden Grey Mullet fry was obtained from the south of the Caspian Sea and acclimated to brackish water (12 ppt). Fry (adapted in 12 ppt salinity) were transferred directly to salinities of 40, 45, 50, 55, 60, 65 and 70 ppt. Mortality occurs more rapidly over a narrow range of salinity from 45 to 60 ppt. Mortality was 100% in salinity higher than 60 ppt. Histopathological gill alterations included edema of the epithelial cells with the breakdown of pillar cells, hypertrophy and hyperplasia of epithelial and chloride cells. According to SEM observation, two types of chloride cells were identified in gill of L. aurata fry. In Type I, crypts usually had large openings and were occasionally ornamented with short microvilli, and, in Type II, crypts resembled a narrow and deep hole. The number of Type II increased following elevated salinity. lethal concentration 50 (LC 50 ) 24-, 48-, 72-and 96-h values calculated with the probit method were 50.11, 49.91, 49.91 and 49.91 ppt, respectively. This study showed that the gill was the primary target organ for the acute effects of salinity. Moreover, the type of chloride cells and gill structure is affected by acute salinity such that these alterations must be one of the reasons for death in some treatments.

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Osmoregulation and differential penetration of two grey mullets, Chelon labrosus (Risso) and Liza ramada (Risso) in estuarine fish ponds

Cited by 47 publications

References 20 publications

Difference in responses of two coastal species to fluctuating salinities and temperatures: Potential modification of specific distribution areas in the context of global change

Difference in responses of two coastal species to fluctuating salinities and temperatures: Potential modification of specific distribution areas in the context of global change

Fitness difference between cryptic salinity-related phenotypes of sea bass (<em>Dicentrarchus labrax</em>)

Salinity tolerance and gill histopathological alterations inLiza aurataRisso, 1810 (Actinopterygii: Mugilidae) fry

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