Coelenterates

Stoskopf, Michael K.

doi:10.1002/9780470960806.ch3

Cited by 5 publications

(5 citation statements)

References 84 publications

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“…3) (Stoskopf 2011). Acrylic acid remains charged in aqueous environments at physiologic pH and has previously been proposed as a key component of the coral antioxidant system.…”

Section: Westmoreland Et Almentioning

confidence: 99%

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Altered acrylic acid concentrations in hard and soft corals exposed to deteriorating water conditions

Westmoreland

Niemuth

Gracz

et al. 2017

FACETS

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A reliable marker of early coral response to environmental stressors can help guide decision-making to mitigate global coral reef decline by detecting problems before the development of clinically observable disease. We document the accumulation of acrylic acid in two divergent coral taxa, stony small polyp coral (Acropora sp.) and soft coral (Lobophytum sp.), in response to deteriorating water quality characterized by moderately increased ammonia (0.25 ppm) and phosphate (0.15 ppm) concentrations and decreased calcium (360 ppm) concentration, using nuclear magnetic resonance spectroscopy (NMR)-based metabolomic techniques. Changes in acrylic acid concentration in polyp tissues free of zooxanthellae suggest that acrylic acid could be a product of animal metabolism and not exclusively a metabolic by-product of the osmolyte dimethylsulfoniopropionate (DMSP) in marine algae or bacteria. Our findings build on previously documented depletions of acrylic acid in wild coral potentially correlated to temperature stress and provide additional insight into approaches to further characterize the nature of the metabolic accumulation of acrylic acid under controlled experimental conditions.

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“…3) (Stoskopf 2011). Acrylic acid remains charged in aqueous environments at physiologic pH and has previously been proposed as a key component of the coral antioxidant system.…”

Section: Westmoreland Et Almentioning

confidence: 99%

“…Traditional health evaluation methods (e.g., culture, cytology, and histopathology) are increasingly employed to evaluate coral health (Stoskopf 2011). However, key early markers of coral health decline are needed for effective early preventative health management decisions to protect coral communities.…”

Section: Introductionmentioning

confidence: 99%

Altered acrylic acid concentrations in hard and soft corals exposed to deteriorating water conditions

Westmoreland

Niemuth

Gracz

et al. 2017

FACETS

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“…Blood hematology provides useful key markers for diagnosing pathological and physiological states in sh. Fish hematological parameters are in uenced by several factors; e.g., water pollution, nutritional state, environmental changes, and stressors (Khieokhajonkhet et al 2021;Stoskopf, 1993;Wendelaar Bonga, 1997). In this context, the observed linear and/or quadratic increase in RBC and Hct with the increase in water temperature may indicate an enhanced capacity of oxygen transport to meet their metabolic requirement in gold sh which must have been also enhanced by high temperature to cope with ).…”

Section: Discussionmentioning

confidence: 99%

Effects of thermal stress responses in goldfish (Carassius auratus): Growth performance, total carotenoids and coloration, hematology, liver histology, and critical thermal maximum

Khieokhajonkhet,

Phoprakot,

Aeksiri

et al. 2023

Preprint

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The present study aimed to investigate the effect of thermal stress on growth, feed utilization, coloration, hematology, liver histology, and critical thermal maximum (CTmax) in goldfish (Carassius auratus) cultured at three different acclimation temperatures including 27˚C, 30˚C, and 34˚C for 10 weeks. Goldfish were assigned randomly to tanks with a quadruplicate setup, accommodating 20 fish per tank. Fish were manually fed four times a day until satiation. The result showed that fish acclimated at 34˚C exhibited suppress growth indices and significantly decreased feed utilization with linear and quadratic effects on feed efficiency ratio and protein efficiency ratio. The coloration parameter (a* value) was significantly decreased in the trunk region and total serum carotenoids at week 5, as well as a decline in L*, a*, b* values and total serum carotenoids at week 10. Total carotenoid contents in muscle and skin also decreased with increasing temperature. Aspartate aminotransferase, alanine aminotransferase, and triglycerides significantly increased with increasing temperature. However, high-density lipoprotein cholesterol decreased linearly and quadratically. Glucose and cortisol levels linearly increased with increasing temperature with a quadratic effect observed only in glucose levels. Liver histology showed swollen hepatocytes, nuclei displacement, and infiltration of inflammation in fish cultured at 34˚C. Goldfish exposed to a temperature of 34˚C displayed a higher CTmax of 43.83˚C compared to the other groups. Taken together, increasing temperature slightly improves growth (up to 30˚C) but the temperature at 34˚C significantly suppresses feed utilization, coloration as well as stress response with liver histological damage in goldfish.

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“…Donde: pf = peso final, pi = peso inicial, T = temperatura y D = días. (50*34 cm), posteriormente, se colocaron en un recipiente con una infusión de clavo (1 g L −1 ) para ser anestesiados, hasta presentar nado errático (García-Gómez et al 2002), se removieron del recipiente y se les cubrieron los ojos para realizar una punción en la vena caudal, siguiendo el método propuesto por Stoskopf (1993). Las muestras de sangre se dividieron en dos contenedores, la primera parte de la muestra fue colocada en microtainers con anticoagulante K2EDTA y la segunda en viales de 1.5 mL sin anticoagulante.…”

Section: Materiales Y Métodosunclassified

Efecto de la salinidad en el crecimiento de juveniles de dormitator latifrons (Richardson, 1844)

Acosta-Moran,

Vega-Villasante,

Ruiz-Velazco

et al. 2023

Ecosist. Recur. Agropec.

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Dormitator latifrons, es una especie nativa eurihalina, perteneciente a la familia Eleotridae que se encuentra distribuido desde el sur de California hasta Perú. Este estudio de investigación es una contribución para evaluar el efecto de diferentes concentraciones de salinidad (0, 10, 20 y 33 UPS) en el crecimiento, su- pervivencia, hematología y química sanguínea. Los resultados muestran diferencia estadística (P < 0.05) en el tratamiento a 10 UPS en peso promedio por individuo (91.5 ± 7.5 g), biomasa final (2286.3 ± 188.3 g) y ganancia en peso (55.5 ± 5.9 g). En los parámetros hematológicos se encontraron diferencias estadísticas (P < 0.05) en el recuento total de eritrocitos (× 106), en el tratamiento a 20 UPS se presentó el mayor valor (4.33 ± 0.49) y en el tratamiento a 0 UPS el menor valor (2.77 ± 0.13), la supervivencia fue mayor al 90.7% en todos los tratamientos. Finalmente, se puede concluir que el tratamiento a 10 UPS generó mayor influencia en el peso (g) de juveniles de Dormitator latifrons, asimismo las tasas de crecimiento GP y EA incrementaron proporcionalmente en el tratamiento a 10 UPS. Por lo cual se considera esta especie con potencial acuícola, los resultados, muestran que la salinidad influye en el crecimiento de los organismos a pesar de que Dormitator latifrons es un organismo eurihalino. Se observó que el mayor crecimiento se presentó a una salinidad de 10 UPS.

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Coelenterates

Cited by 5 publications

References 84 publications

Altered acrylic acid concentrations in hard and soft corals exposed to deteriorating water conditions

Altered acrylic acid concentrations in hard and soft corals exposed to deteriorating water conditions

Effects of thermal stress responses in goldfish (Carassius auratus): Growth performance, total carotenoids and coloration, hematology, liver histology, and critical thermal maximum

Efecto de la salinidad en el crecimiento de juveniles de dormitator latifrons (Richardson, 1844)

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