Effects of lead and cadmium on hatching of the southern king crab<i>Lithodes santolla</i>(Decapoda, Anomura)

Amin, Oscar Antonio; Rodríguez, Enrique; Hernando, Marcelo Pablo; Comoglio, Laura; López, Laura S.; Medesani, Daniel A.

doi:10.1080/07924259.1998.9652344

Cited by 22 publications

(14 citation statements)

References 3 publications

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“…The LC50 (2005) to zoea I of C. granulatus are five times higher than LC50 96 h to the same larval stage of Cancer magister (Martín et al 1981) and near 1.8 times higher than LC50 96 h to zoeas larvae of L. santolla (Amín et al 1998). Therefore, first zoeae were more sensitive than young crabs to acute exposure to Pb.…”

Section: Resultsmentioning

confidence: 90%

Comparative Study of Lead Accumulation in Different Organs of the Freshwater Crab Zilchiopsis oronensis

Gagnetén

Tumini

Imhof

et al. 2011

Water Air Soil Pollut

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Section: Resultsmentioning

confidence: 90%

Comparative Study of Lead Accumulation in Different Organs of the Freshwater Crab Zilchiopsis oronensis

Gagnetén

Tumini

Imhof

et al. 2011

Water Air Soil Pollut

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“…Regarding body morphological abnormalities, the effects of all the metals assayed were qualitatively similar. Moreover, most of these pathologies were previously observed in the same experimental model exposed to cadmium [13] and pesticides [12] as well as in larvae of Lithodes santolla exposed to cadmium and lead during late embryonic development [14] and larvae of Palaemonetes pugio exposed to copper during the entire embryonic development [16,17].…”

Section: Discussionmentioning

confidence: 89%

Differential toxicity of copper, zinc, and lead during the embryonic development of Chasmagnathus granulatus (Brachyura, varunidae)

Lavolpe

Greco

Kesselman

et al. 2004

Enviro Toxic and Chemistry

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Ovigerous females of the estuarine crab Chasmagnathus granulatus were exposed to copper (0.01 and 1 mg/L), zinc (0.05, 1, and 10 mg/L), or lead (0.01 and 1 mg/L) during early, late, or whole embryonic development. None of the assayed heavy metals produced a significant mortality of females, neither a decrease in the number of hatched larvae nor a decrease in the egg incubation time, but several morphological abnormalities were detected in hatched larvae. The abnormalities were classified in three categories: eye, body pigmentary, and body morphological abnormalities. Those larvae with eye and body pigmentary abnormalities, particularly those involving retinal pigments and chromatophores, showed the highest incidence by exposure to the assayed metals. In addition, embryos were more susceptible to copper and zinc during the late period of development, whereas the effect of lead was greater during the early period of embryogenesis. Some teratogenic effects observed in C. granulatus embryos exposed to heavy metals, particularly the hypertrophy and hypopigmentation of eyes observed in the laboratory at a lead concentration as low as that reported for the natural environment, could be considered as sensitive biomarkers for this kind of pollutant.

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“…Several studies have paid attention to the larval morphology, development and ecology of L. santolla (Campodonico, 1971;Vinuesa et al, 1985;Comoglio and Vinuesa, 1991;Amin et al, 1998;Lovrich andVinuesa, 1996, 1999;Lovrich, 1999;McLaughlin et al, 2001), while no information has been available on changes in biomass and chemical composition during larval development. In a previous investigation on a congener, the northern king crab (Lithodes maja), decreasing biomass values in both fed and unfed larvae indicated a completely endotrophic mode of development (Anger, 1996).…”

Section: Introductionmentioning

confidence: 99%

Changes in biomass and chemical composition during lecithotrophic larval development of the southern king crab, Lithodes santolla (Molina)

Lovrich

Thatje

Calcagno³

et al. 2003

Journal of Experimental Marine Biology and Ecology

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Changes in biomass and elemental composition (dry mass, W; carbon, C; nitrogen, N; hydrogen, H) were studied in the laboratory during complete larval and early juvenile development of the southern king crab, Lithodes santolla (Molina), formerly known as Lithodes antarcticus (Jacquinot). At 6 F 0.5 jC, total larval development from hatching to metamorphosis lasted about 10 weeks, comprising three demersal zoeal stages and a benthic megalopa, with mean stage durations of 4, 7, 11 and 47 days, respectively. No differences in development duration or mortality were observed in larvae either fed with Artemia sp. nauplii or unfed, indicating that all larval stages of L. santolla are lecithotrophic. First feeding and growth were consistently observed immediately after metamorphosis to the first juvenile crab stage. Regardless of the presence or absence of food, W, C, N and H decreased throughout larval development. Also the C:N mass ratio decreased significantly, from 7.7 at hatching to 4.1 at metamorphosis, indicating that a large initial lipid store remaining from the egg yolk was gradually utilized as an internal energy source, while proteins played a minor role as a metabolic substrate. In total, 56 -58% of the initial quantities of C and H present at hatching, and 20% of N were lost during nonfeeding larval development to metamorphosis. Nine to ten percent of the initially present C, N and H were lost with larval exuviae, half of these losses occurring in the three zoeal stages combined and another half in the megalopa stage alone. degradation accounted for losses of about 47 -50% in C and H but for only 10% in N. Hence, most of the losses in C and H reflected metabolic energy consumption (primarily lipid degradation), while about half of the losses in N and two thirds of those in W were due to larval exuviation. Complete independence from food throughout larval development is based on an enhanced maternal energy investment per offspring and on energy-saving mechanisms such as low larval locomotory activity and low exuvial losses. These traits are interpreted as bioenergetic adaptations to food-limited conditions in Subantarctic regions, where a pronounced seasonality of day length limits the period of primary production, while low temperatures enforce a long duration of pelagic development. D

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Effects of lead and cadmium on hatching of the southern king crabLithodes santolla(Decapoda, Anomura)

Cited by 22 publications

References 3 publications

Comparative Study of Lead Accumulation in Different Organs of the Freshwater Crab Zilchiopsis oronensis

Comparative Study of Lead Accumulation in Different Organs of the Freshwater Crab Zilchiopsis oronensis

Differential toxicity of copper, zinc, and lead during the embryonic development of Chasmagnathus granulatus (Brachyura, varunidae)

Changes in biomass and chemical composition during lecithotrophic larval development of the southern king crab, Lithodes santolla (Molina)

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