The effect of salinity and temperature on the larval development of Mithrax caribbaeus Rathbun, 1920 (Brachyura: Majidae) reared in the laboratory

Lárez, M.B.; Palazón-Fernández, José L.; Bolaños, C.J.

doi:10.1093/plankt/22.10.1855

Cited by 24 publications

(21 citation statements)

References 27 publications

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“…In the present study, IP is lengthened with lower temperature at all salinities, a result agreed with previous observations on other decapod crustacean larvae (Cockroft & Emmerson 1984; Criales & Anger 1986; Brown et al. 1992; Nagaraj 1992; Lárez et al. 2000).…”

Section: Discussionsupporting

confidence: 94%

“…Therefore, it is important to investigate responses to the combined effects of temperature and salinity. There are several studies on the combined effects of temperature and salinity on the larval development and growth (weight) of shrimps and crabs (Costlow et al 1962(Costlow et al , 1966Costlow 1967;Ong & Costlow 1970;Hicks 1973;Rothlisberg 1979;Preston 1985;Anger 1991;Brown et al 1992;Nagaraj 1992Nagaraj , 1993Kumlu et al 2000;Lárez et al 2000;Luppi et al 2003;Zacharia & Kakati 2004). However, these studies paid little attention to the effect of temperature and salinity on the IP and the MI of crustacean growth, respectively.…”

mentioning

confidence: 99%

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The effect of temperature and salinity on survival and growth of Crangon uritai (Decapoda: Crangonidae) larvae reared in the laboratory

Hong

2007

Marine Ecology

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Larvae of the decapod Crangon uritai were reared in the laboratory in a factorial experiment employing three temperatures (9, 12 and 15 °C) and three salinities (29‰, 32‰ and 35‰) from hatching to the post‐larval stage. The effects of temperature and salinity on survival, intermolt period (IP) and molt increment (MI) were investigated. Larvae from one brood were subdivided into groups of 20 and reared in glass bowls containing filtered sea‐water at a number of temperature–salinity combinations. The reared larvae were transferred daily to the clean bowls prepared with newly hatched Artemianauplii, and number of molts and mortality within each bowl were recorded. The zoeal size (carapace length) was determined from exuvia and dead larvae, and the IP was also recorded. Larvae of C. uritai completed larval development only at 15 °C temperature. The first zoeal stage completed their development at all temperature–salinity combinations and exhibited the highest survival rate. IP at each stage increased with increasing size and greatly decreased with increasing temperature, and intermolt duration (range of days) increased with larval development especially at the lower temperature. Although the MI decreased with increasing size, it was little affected by temperature. This led to a better growth rate with increasing temperature.

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Section: Discussionsupporting

confidence: 94%

mentioning

confidence: 99%

The effect of temperature and salinity on survival and growth of Crangon uritai (Decapoda: Crangonidae) larvae reared in the laboratory

Hong

2007

Marine Ecology

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“…In particular, MDS was observed to contribute significantly to high Zoea V mortalities at 34 °C. While nutritional deficiencies are generally believed to be the main cause of MDS (Christiansen 1971; Sastry 1983; Larez, Palazon‐Fernandez & Bolanos 2000), Zeng and Li (1992) suggested that high temperatures could also trigger high incidents of MDS. They reported that due to MDS, the rate of successful metamorphosis from Zoea V to megalopa declined substantially when temperatures exceeded 30 °C.…”

Section: Discussionmentioning

confidence: 99%

“…Similarly, at the same salinity of 25 g L −1 , overall larval development increased from an average of 20 days at 34 °C to 33 days at 25 °C. A shorter intermoult duration at higher temperatures is likely to be a result of increasing metabolic rate, enzyme activity and hormone levels involved in the moulting process (Passano 1960; Skinner 1985; Larez et al . 2000).…”

Section: Discussionmentioning

confidence: 99%

Effects of temperature and salinity on the survival and development of mud crab, Scylla serrata (Forsskål), larvae

Nurdiani

Zeng

2007

Aquaculture Res

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The combined effects of temperature and salinity on larval survival and development of the mud crab, Scylla serrata, were investigated in the laboratory. Newly hatched larvae were reared under 20 °C temperature and salinity combinations (i.e. combinations of four temperatures 25, 28, 31, 34 °C with five salinities 15, 20, 25, 30, 35 g L−1). The results showed that temperature and salinity as well as the interaction of the two parameters significantly affected the survival of zoeal larvae. Salinity at 15 g L−1 resulted in no larval survival to the first crab stage, suggesting that the lower salinity tolerance limit for mud crab larvae lies somewhere between salinity 15 and 20 g L−1. However, within the salinity range of 20–35 g L−1, no significant effects on survival of zoeal larvae were detected (P>0.05). The combined effects of temperature and salinity on larval survival were also evident as at low salinities, both high and low temperature led to mass mortality of newly hatched larvae (e.g. 34 °C/15 g L−1, 34 °C/20 g L−1 and 25 °C/15 g L−1 combinations). In contrast, the low temperature and high salinity combination of 25 °C/35 g L−1 resulted in one of the highest survival to the megalopal stage. It was also shown that at optimal 28 °C, larvae could withstand broader salinity conditions. Temperature, salinity and their interaction also significantly affected larval development. At 34 °C, the mean larval development time to megalopa under different salinity conditions ranged from 13.5 to 18.5 days. It increased to between 20.6 and 22.6 days at 25 °C. The effects of salinity on larval development were demonstrated by the fact that for all the temperatures tested, the fastest mean development to megalopa was always recorded at the salinity of 25 g L−1. However, a different trend of salinity effects was shown for megalopae as their duration consistently increased with an increase in salinity from 20 to 35 g L−1. In summary, S. serrata larvae tolerate a broad range of salinity and temperature conditions. Rearing temperature 25–30 °C and salinity 20–35 g L−1 generally result in reasonable survival. However, from an aquaculture point of view, a higher temperature range of 28–30 °C and a salinity range of 20–30 g L−1 are recommended as it shortens the culture cycle.

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“…Para os crustáceos decápodos, a salinidade pode afetar o crescimento, a sobrevivência e o desenvolvimento larval (Costlow et al, 1960;Anger et al, 1990;Anger, 1996;Lárez et al, 2000;Anger et al, 2000;Anger, 2003;Luppi et al, 2003), assim como também a atividade alimentar (Anger, 2001), a taxa de acumulação de carbono (Anger et al, 1998) e a composição bioquímica das larvas de algumas espécies (Torres et al, 2002). Este parâmetro induz ainda respostas comportamentais específicas (Forward, 1989) influenciando na distribuição vertical das larvas na coluna d'água (Sulkin & Van-Heukelem, 1982;Sulkin, 1984;Cronin & Forward, 1986), além selecionar o tipo de estratégia reprodutiva adotada pelas espécies como, por exemplo, a "exportação" larval (Christy, 1982;Forward et al, 1982;Anger, et al, 1994).…”

Section: Introductionunclassified

O efeito da salinidade no desenvolvimento larval do caranguejo - uçá, Ucides cordatus (Linnaeus, 1763) (Decapoda: Ocypodidae) no Norte do Brasil

Simith

Diele

2008

Acta Amaz.

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RESUMOO presente trabalho estudou o efeito da salinidade na sobrevivência e na duração do desenvolvimento larval do caranguejouçá, Ucides cordatus (do estuário do Rio Caeté, Norte do Brasil), até a fase de megalopa em sete tratamentos de salinidade (0, 5, 10, 15, 20, 25 e 30). A salinidade afetou significativamente a sobrevivência das larvas zoea, no entanto não afetou a duração do desenvolvimento larval (20,77 ± 1,56 dias). Nas salinidades 0, 5 e 10 houve total mortalidade das larvas zoea. Somente a partir da salinidade 15 observou-se um desenvolvimento completo até a fase de megalopa. A taxa de sobrevivência foi maior em salinidade 30 (72%) e menor em 15 (16%). A reduzida taxa de sobrevivência das larvas zoea de U. cordatus, em salinidades baixas, indica a necessidade de dispersão larval do estuário para as águas costeiras onde as condições de salinidade para o desenvolvimento larval são mais favoráveis. Caso contrário se não houvesse a dispersão, a reduzida salinidade das águas estuarinas no período chuvoso, causaria uma elevada mortalidade, afetando desta forma o recrutamento, a manutenção e o crescimento da população de U. cordatus nos manguezais. PALAVRAS-CHAVE:Ucides cordatus, Salinidade, Sobrevivência, Dispersão larval, Zoea. The effect of salinity on the larval development of the uçá-crab, Ucides cordatus (Linnaeus, 1763) (Decapoda: Ocypodidae) in Northern Brazil ABSTRACTThe present work studied the effect of salinity on the survival and duration of larval development of the mangrove crab, Ucides cordatus (from the Caeté River estuary, North of Brazil) until the megalopal phase in seven salinity treatments (0, 5, 10, 15, 20, 25 e 30). Salinity significantly affected the survival of the zoea larvae, however it did not affect the duration of the larval development (20.77 ± 1.56 days). In salinity 0, 5 and 10 all zoea larvae died. Only from off salinity 15, complete development until the megalopal phase occurred. The survival rate was highest in salinity 30 (72%) and lowest in 15 (16%). The reduced survival rate of the U. cordatus zoea larvae, in low salinities, indicates the necessity of larval dispersion from the estuary to coastal waters, where salinity conditions for larval development are more favorable. Otherwise, if there was no dispersion, the reduced salinity of estuarine waters in the rainy season would cause a high mortality thereby affecting the recruitment, maintenance and growth of the U. cordatus population in the mangroves.

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The effect of salinity and temperature on the larval development of Mithrax caribbaeus Rathbun, 1920 (Brachyura: Majidae) reared in the laboratory

Cited by 24 publications

References 27 publications

The effect of temperature and salinity on survival and growth of Crangon uritai (Decapoda: Crangonidae) larvae reared in the laboratory

The effect of temperature and salinity on survival and growth of Crangon uritai (Decapoda: Crangonidae) larvae reared in the laboratory

Effects of temperature and salinity on the survival and development of mud crab, Scylla serrata (Forsskål), larvae

O efeito da salinidade no desenvolvimento larval do caranguejo - uçá, Ucides cordatus (Linnaeus, 1763) (Decapoda: Ocypodidae) no Norte do Brasil

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