Effect of temperature on survival and developmental period of larval snow crab Chionoecetes opilio (Brachyura: Majidae) reared in the laboratory

Kogane, Takayuki; Hamasaki, Katsuyuki; Nogami, Kinya

doi:10.2331/suisan.71.161

Cited by 18 publications

(4 citation statements)

References 2 publications

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“…Crustacean growth and development rates increase with temperature, as has been shown for larval stages of both red (Nakanishi 1981) and southern king crab (Anger et al 2004), and snow crab (Kogane et al 2005) and embryos of northern shrimp Pandalus borealis (Brillon et al 2005). Crustaceans from warmer water environments typically have shorter embryonic development on the order of days to weeks.…”

Section: Discussionmentioning

confidence: 78%

Embryo Development and Morphometry in the Blue King Crab Paralithodes Platypus Studied by Using Image and Cluster Analysis

Stevens

2006

Journal of Shellfish Research

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In this paper the embryonic development of laboratory-reared blue king crab, Paralithodes platypus, from the Pribilof Islands in the eastern Bering Sea is described. Developing embryos were removed from a female crab at various intervals, digitally photographed under a compound microscope and analyzed using Image-Pro Plus. Nine morphometric parameters were used, including seven measurements (total area, yolk area, embryo length and width, average diameter, eye length and width) and two calculated indices (percent yolk and elongation). First cell division was not apparent until day 4, after which divisions occurred daily until the blastopore appeared at day 28. A "V"-shaped embryo became apparent on day 114, followed by rapid appendage development. The eyes became pigmented by day 192. Hatching occurred from day 381 to day 409, and required at least 33 d to complete. Embryo area declined from an initial value of 0.95 mm 2 on day 1-0.83 mm 2 on day 72 and then increased to 1.28 mm 2 on day 388. Growth of all characters reached a plateau between days 240 and 353, and then increased rapidly until the middle of hatching (day 390). Visual examination was better at defining early changes, but cluster analysis of morphometric measurements was a better technique for defining middle and later stages. Both techniques resulted in an optimum selection of 12 developmental stages. Embryonic development has been described for few decapod crustaceans, and no standard exists for defining developmental stages. Multivariate analysis of morphometric measurements may lead to improved understanding of crustacean embryogenesis, allow standardization of staging and enable studies of environmental influence on development. The technique also has applications in the aquaculture industry.

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Section: Discussionmentioning

confidence: 78%

Embryo Development and Morphometry in the Blue King Crab Paralithodes Platypus Studied by Using Image and Cluster Analysis

Stevens

2006

Journal of Shellfish Research

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“…The survival and longevity of marine invertebrate larvae are influenced by abiotic factors such as temperature and salinity, and by biotic factors such as food availability, food, and predation [34]. Temperature is known to affect the survival and development of larvae and breeding activity in many decapod crustaceans [14][15][16][17]24,[35][36][37]. In many brachyuran species, temperature affects larval survival and the duration of development, and a decrease in larval duration with increasing temperature has been widely reported for these species [37][38][39][40][41][42][43].…”

Section: Discussionmentioning

confidence: 99%

“…Differences between treatments were considered significant at α = 0.05 for all statistical tests. The duration of individual stages, as well as cumulative periods of development, were described as non-linear power functions of temperature [16,23,24]. All statistical analyses were conducted using the XLSTAT statistical package Ver.…”

Section: Methodsmentioning

confidence: 99%

Effects of Temperature on the Survival and Larval Development of Deiratonotus Japonicus (Brachyura, Camptandriidae) as a Biological Indicator

Lee

2020

JMSE

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Deiratonotus japonicus (D. japonicus) inhabits isolated locations and upstream brackish waters from Kanagawa Prefecture to Okinawa Prefecture in Japan. This species faces the threat of extinction because of changing habitat conditions. Our previous studies have shown that its complete larval development from hatching to metamorphosis consists of five zoeal stages and one megalopal stage. In this study, the effect of temperature on the survival and growth of larval development in D. japonicus under controlled laboratory conditions of 13, 18, 23, 24, 25, and 26 • C was investigated by rearing larvae (30 PSU; 12:12 h light/dark cycle; fed a diet of Brachionus plicatilis rotundiformis and Artemia sp. nauplii). The survival rates and developmental periods were measured for each larval stage. The highest survival rates were obtained at 18-24 • C. Metamorphosis to megalopa occurred at 23-25 • C. There were rapid and synchronous developments at 25-26 • C but delayed and extended developments at 13 • C. The molting period decreased with increasing temperature. With decreasing temperature, the beginning of the development and duration of molting was prolonged. In addition, there were very low survival rates at 13 • C and 26 • C in all zoeal stages. Our results indicate that the early larval stages of D. japonicus are well adapted to 18-24 • C, the range observed in the estuarine marine environment of the Kita River during the breeding season. Optimum larval survival and growth were obtained at 23 • C. Temperature significantly affected the survival rate, developmental period, and molting of the larvae. The relationship between the cumulative periods of development from hatching through individual larval stages (y) and temperatures (T) was described as a power function (y = a × Tb).

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“…The effluent was drained through a rectangular strainer (15 cm ¥ 15 cm ¥ 50 cm, 761-mm mesh). Water temperature was regulated at 12-14°C according to Kogane et al 14 using a heating system. Mean water temperature ranged 13.5-13.8°C (Table 1).…”

Section: Rearing Methodsmentioning

confidence: 99%

Improvement of larval rearing technique for mass seed production of snow crab Chionoecetes opilio

2007

Self Cite

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Larval rearing experiments were conducted to examine the potential for mass seed production of the snow crab Chionoecetes opilio using a total of eight 20-kL tanks. Tanks were equipped with agitators, which move the water using a rectangular blade to prevent the zoeas sinking to the bottom of the tank. Larval rearing water was treated with sodium nifurstyrenate once a week to reduce the chance of larval infection by pathogenic bacteria. Zoeas were fed with rotifers and Artemia nauplii. A total of 122 830 megalops and 16 660 first-stage crabs were produced. Thus, the potential for mass seed production of snow crab was determined. Survival rates up to the megalopal stage were high in tanks with a feeding regime that fed rotifers to larvae through an entire zoeal stage. This study also describes the fatty acid composition of snow crab larvae. It revealed that the first zoeas had a high DHA content and DHA/EPA ratio, but these values significantly decreased in the second stage zoeas and megalops. Improving the DHA content and/or DHA/EPA ratio of larvae should be important in studies on mass seed production technology of the snow crab.

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Effect of temperature on survival and developmental period of larval snow crab Chionoecetes opilio (Brachyura: Majidae) reared in the laboratory

Abstract: EŠect of temperature on survival and developmental period of larval snow crabChionoecetes opilio (Brachyura: Majidae) reared in the laboratory TAKAYUKI KOGANE, 1 KATSUYUKI HAMASAKI 2a AND KINYA NOGAMI 1b

Cited by 18 publications

References 2 publications

Embryo Development and Morphometry in the Blue King Crab Paralithodes Platypus Studied by Using Image and Cluster Analysis

Embryo Development and Morphometry in the Blue King Crab Paralithodes Platypus Studied by Using Image and Cluster Analysis

Effects of Temperature on the Survival and Larval Development of Deiratonotus Japonicus (Brachyura, Camptandriidae) as a Biological Indicator

Improvement of larval rearing technique for mass seed production of snow crab Chionoecetes opilio

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