High salinity effect on mortality of sandfish Holothuria scabra (Jaeger, 1833)

Tuwo, Ambo; Yasir, Inayah; Bestari, A D; Yanti, A; Aprianto, R; Tresnati, Joeharnani

doi:10.1088/1755-1315/763/1/012019

Cited by 5 publications

(3 citation statements)

References 17 publications

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“…For example, stenohaline organisms have restricted salinity tolerance. Both higher and lower salinity extremes in the ocean can result in elevated mortality rates among a wide range of marine species (Zhang et al 2019, Evans and Kültz 2020, Oliveira 2021, Tuwo et al 2021, Roibás-Rozas et al 2022. Thus, results in this study could improve our understanding of the ocean's habitability.…”

Section: Discussionmentioning

confidence: 76%

Sea surface salinity extremes over the global ocean

Liu,

Xu,

et al. 2023

Environ. Res. Lett.

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Sea surface salinity (SSS) extremes, characterized as events surpassing a certain threshold percentile, pose a threat to stenohaline organisms worldwide. This study presents the first global mapping of SSS extreme metrics and investigates their underlying drivers using daily reanalysis data. Our key findings have revealed that mesoscale eddies drive SSS extremes over most of the global ocean with peaks in duration ranging from 5 to 10 days and peaks in intensity ranging from 0.2 to 0.3 g/kg. Freshwater fluxes and mean currents are generally associated with the occurrence of prolonged and intense SSS extremes in tropical and extratropical oceans, respectively. Freshwater fluxes related to interannual climate modes contribute to the asymmetric distribution of high and low SSS extremes in the central Pacific Ocean and the western Indian Ocean. These results highlight the distinct impacts of different local drivers on the mean states of SSS extremes.

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Section: Discussionmentioning

confidence: 76%

Sea surface salinity extremes over the global ocean

Liu,

Xu,

et al. 2023

Environ. Res. Lett.

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“…There is also some dispute regarding survival following manual evisceration, with studies reporting variable survival rates of 57–98% [ 134 , 142 ]. However, in studies where sea cucumbers were induced to autotomize the viscera, the survival rates were consistently greater than 95% [ 94 , 143 , 144 ]. These findings suggest that inducing the autotomy of internal organs as a means of collection, as opposed to opening the body wall to manually removal viscera, may support the design of more sustainable practices going forward.…”

Section: Potential Applications Of Autotomymentioning

confidence: 99%

Shake it off: exploring drivers and outcomes of autotomy in marine invertebrates

Jobson,

Hamel,

Mercier

2024

Biol. Lett.

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Autotomy refers to self-amputation where the loss of a limb or organ is generally said to be (1) in response to stressful external stimuli; (2) voluntary and nervously mediated; (3) supported by adaptive features that increase efficiency and simultaneously mediate the cost; and (4) morphologically delineated by a predictable breakage plane. It is estimated that this phenomenon has evolved independently nine different times across the animal kingdom, appearing in many different taxa, including vertebrate and invertebrate as well as aquatic and terrestrial animals. Marine invertebrates use this behaviour in a diversity of manners that have yet to be globally reviewed and critically examined. Here, published data from marine invertebrate taxa were used to explore instances of injury as an evolutionary driver of autotomy. Findings suggest that phyla (e.g. Echinodermata and Arthropoda) possibly experiencing high rates of injury (tissue damage or loss) are more likely to be able to perform autotomy. Additionally, this review looks at various morphological, physiological and environmental conditions that have either driven the evolution or maintained the behaviour of autotomy in marine invertebrates. Finally, the use of autotomic abilities in the development of more sustainable and less ecologically invasive fisheries is explored.

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“…The salinity findings at the Labu Prajak station are slightly different from previous studies, the optimum salinity for H. scabra is 32-34 ppt. However, H. scabra is known to have a greater tolerance limit for salinity than other sea cucumber species; it can be up to 47 ppt (Tuwo et al 2021).…”

Section: Condition Factormentioning

confidence: 99%

Study of Length-Weight Relationship and Condition Factor of Sandfish Sea Cucumber (Holothuria scabra)

Rasyadi¹,

Riani

Hariyadi

et al. 2023

jppipa, pendidikan ipa, fisika, biologi, kimia

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The overfishing of the sandfish Holothuria scabra is increasing due to its various benefits, thus reducing its population in nature. This study aimed to examine sandfish's length-weight relationship and condition factors on the North Coast of Sumbawa Island, with sampling locations at two stations, Ai Limung (Pungkit Village), and Labu Prajak (Batu Bangka Village). The study was conducted in September-October 2022. A total of 142 specimens were obtained from both stations, 122 samples at Ai Limung station (mean length 9.22±2.12 cm; weight 43.34±25.07 grams). Then 20 samples at the Labu Prajak station (mean length 13.69±3.74 cm; weight 88.70±60.06 grams). Growth patterns of each research station are negative allometric, indicating the body length of the sandfish grows faster than its weight. Condition factor at Ai Limung station Kn=1.03±0.26, Wr=1.03±0.26, K=5.33±1.76, and at the Labu Prajak station Kn=1.05±0.28, Wr=104.88±27.83, K=3.27±1.14. The results showed significant differences in length, weight, and fulton condition factor. The mean body length and weight of sandfish at both stations are smaller than previous study, indicating the earlier sign of overfishing. Meanwhile, the fulton condition factor at Ai Limung station showed a higher value, which indicated the location was better, with abundant food sources and fewer predators

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High salinity effect on mortality of sandfish Holothuria scabra (Jaeger, 1833)

Cited by 5 publications

References 17 publications

Sea surface salinity extremes over the global ocean

Sea surface salinity extremes over the global ocean

Shake it off: exploring drivers and outcomes of autotomy in marine invertebrates

Study of Length-Weight Relationship and Condition Factor of Sandfish Sea Cucumber (Holothuria scabra)

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