Effect of Water Temperature on Survival, Growth and Molting Cycle During Early Crablet Instar of Mud Crab, Scylla paramamosain (Estampador, 1950)

Syafaat, Muhammad Nur; Syahnon, Mohammad; Azra, Mohamad Nor; Ma, Hongyu; Abol‐Munafi, Ambok Bolong; Ikhwanuddin, Mhd

doi:10.1007/s41208-020-00233-9

Cited by 12 publications

(28 citation statements)

References 27 publications

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“…The age of M at moulting is likely to affect moulting success of M to C1. Syafaat [26] reported a lower survival rate of 2-3 day megalopa, than for 5-6 day during their molt from M to C1 (reared individually). In communal culture condition, using hapa nets within earthen pond of 80 cm water depth, older M (3 and 4-day) showed better survival than Z5, 1-day old, and 2-day old M [46].…”

Section: Age Of Megalopamentioning

confidence: 97%

“…Another important consideration is whether to rear individually, or communally. Nursery rearing of M individually, in good water quality condition, could raise survival up to 90-100% [26,34]. Although a high survival rate is valuable, extra effort is required to implement the individual crablet rearing technique, especially during feeding.…”

Section: Rearing Techniquesmentioning

confidence: 99%

“…As soon as M metamorphose to crab stage, they are fed with minced trash fish, green mussel, Acetes [39], fresh chopped shrimp or tilapia [29], brown mussel [59], frozen adult Artemia [26], or artificial feed [20,21].…”

Section: Feeding Strategiesmentioning

confidence: 99%

“…Temperature and salinity are the two main parameters to be considered routinely both in larvae rearing, and nursery phases of mud crab [26,31,34,62,63,64,65]. These two parameters greatly affect physiological processes, having an impact on the growth of portunid crab [22,66,67].…”

Section: Water Qualitymentioning

confidence: 99%

“…Unlike P. pelagicus, where high survival has been observed when stocking into ponds at the megalopae phase, the critical transition step of megalopa to Crablet 1 (C1) in mud crabs has typically produced inconsistent and unreliable results, with high mortality often reported during metamorphosis from megalopa to C1 stage [23,24]. Therefore, the nursery phase of mud crab (from megalopae to early crablet stages (≥C3)) needs to be improved to a large number of high qualities crablets [17,25,26]. The larval rearing process was thoroughly reviewed by Waiho et al [2], while the current review is focused on rearing techniques, and parameters involved in the nursery phase of mud crab, genus Scylla, including principal technical practices of mud crab nursery, from stocking to transportation, and some issues during this phase are identified and potential solutions discussed.…”

Section: Introductionmentioning

confidence: 99%

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Nursery Culture of Mud Crab, Genus Scylla, a Review: The Current Progress and Future Directions

Syafaat¹,

Azra²,

Waiho³

et al. 2021

Preprint

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This study attempted to explain the definition, objectives, and key stages in mud crab nursery activities. The nursery stages of Scylla spp was started from megalopa stage to several crablet instar stages or started from earlier crablet stage to several crablet stages. Direct stocking of megalopa into ponds is not recommended due to their sensitivity. Instead, nursery rearing is needed to produce mud crab of larger size before stocking. Individual nursery rearing results in higher survival rate (up to 100%), but with reduced growth rate, and a more complicated maintenance process compared with communal rearing. Nursery of mud crab can be done indoors, or outdoors, with adequate shelter and feed required to obtain good survival and growth performance. Artemia nauplii are the main, established nursery feed, particularly at megalopa stage, while survival rate may be improved if combined with artificial feed, such as micro bound diet formulations. Water quality parameters, identical to those proposed in tiger shrimp culture, can followed. Crablets may be transported to the pond location with, or without water. The provision of monosex seeds from mud crab hatcheries is expected to become more common, increasing seed price, and thus improving income of farmers. Numerous aspects of mud crab nursery, including nutrition, feeding strategies, understanding of their behaviour, i.e., cannibalism, control of environmental factors, and practical rearing techniques, still need further improvement.

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Section: Age Of Megalopamentioning

confidence: 97%

Section: Rearing Techniquesmentioning

confidence: 99%

Section: Feeding Strategiesmentioning

confidence: 99%

Section: Water Qualitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Nursery Culture of Mud Crab, Genus Scylla, a Review: The Current Progress and Future Directions

Syafaat¹,

Azra²,

Waiho³

et al. 2021

Preprint

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Feeding rhythm of the zoea larvae of Scylla paramamosain: The dynamic feeding rhythm is not completely synchronized with photoperiod

Wang,

Liu,

Wang

et al. 2024

Heliyon

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Morphometrics and Reproductive Characteristics of the Freshwater Crab Sartoriana spinigera from the Habitat of Ratargul Swamp Forest, Bangladesh: An Approach to Conservation

Akther,

Hossain,

Pandit

et al. 2024

Scientifica

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A total of 332 freshwater crab Sartoriana spinigera samples were collected for eight consecutive months from the Ratargul freshwater swamp forest, Bangladesh, to examine their general morphometrics and reproductive traits. The length‐weight relationships of carapace weight with carapace length, width, and depth indicated negative allometric growth. The logarithmic relationship between carapace weight and carapace length, carapace weight and carapace width, and carapace weight and carapace depth exhibited a correlation value of 0.86, 0.79, and 0.56, respectively. Fulton’s condition factor and allometric condition factor were found to be highest in March and lowest in October. The sex ratio was 1.59 : 1 for the male to female, which did not show a considerable divergence from the expected 1 : 1 ratio in the chi‐square test (P < 0.05). In July, a maximum of mature individuals was collected and investigated. The fertilization was 1297 ± 629 ova, the ovary weight was 447.22 ± 359.39 mg, and the egg diameter was 375.15 ± 130.18 µm. Histological analysis showed that the male hepatopancreas was well organized and decomposition was reported in the female during the vitellogenic stages of the ovary. Spermatogonium cells were found in the male gonad, and cells from the female gonad were in the vitellogenic mature stage. In conclusion, the research will serve as a foundation for future research work on freshwater crab species as well as the conservation and maintenance of the ecological balance of this species in the Ratargul freshwater swamp forest.

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Effect of Water Temperature on Survival, Growth and Molting Cycle During Early Crablet Instar of Mud Crab, Scylla paramamosain (Estampador, 1950)

Cited by 12 publications

References 27 publications

Nursery Culture of Mud Crab, Genus Scylla, a Review: The Current Progress and Future Directions

Nursery Culture of Mud Crab, Genus Scylla, a Review: The Current Progress and Future Directions

Feeding rhythm of the zoea larvae of Scylla paramamosain: The dynamic feeding rhythm is not completely synchronized with photoperiod

Morphometrics and Reproductive Characteristics of the Freshwater Crab Sartoriana spinigera from the Habitat of Ratargul Swamp Forest, Bangladesh: An Approach to Conservation

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