2002
DOI: 10.1590/s0073-47212002000100006
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Ciclo de vida pós-marsupial e crescimento de Metamysidopsis elongata atlantica (Crustacea, Mysidacea, Mysidae) em cultivo de laboratório

Abstract: PÓS-MARSUPIAL LIFE CICLE AND GROWTH OF METAMYSIDOPSIS ELONGATA ATLANTICA (CRUSTACEA, MYSIDACEA, MYSIDAE) UNDER LABORATORY CONDITION.Metamysidopsis elongata atlantica (Bacescu, 1968) was reared in the laboratory for 45 days at 20±1°C and salinity of 30ppt. Growth curves (von Bertalanffy model) were calculated for both sexes and for each sex. The daily rate of carapace growth was significantly different between females and males (F test, p <0.05). Before the sexual maturity (14 days), the growth rate of females… Show more

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Cited by 8 publications
(12 citation statements)
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“…Metamysidopsis neritica presented wide size variation, between 0.77 mm (juvenile) and 6.50 mm (spawning female). Juveniles reached a maximum of 4.10 mm, a length very close to that recorded in individuals of the same category of M. elongata atlantica on the coast of the state of Rio Grande do Sul (GAMA et al 2002). Immature males of M. neritica presented maximum length not much higher than those of juveniles (4.58 mm).…”
Section: Discussionsupporting
confidence: 73%
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“…Metamysidopsis neritica presented wide size variation, between 0.77 mm (juvenile) and 6.50 mm (spawning female). Juveniles reached a maximum of 4.10 mm, a length very close to that recorded in individuals of the same category of M. elongata atlantica on the coast of the state of Rio Grande do Sul (GAMA et al 2002). Immature males of M. neritica presented maximum length not much higher than those of juveniles (4.58 mm).…”
Section: Discussionsupporting
confidence: 73%
“…Immature females were larger (5.71 mm) than immature males. Mature males and females of M. neritica were larger than those of M. elongata atlantica (GAMA et al 2002). For M. neritica, the largest spawning female measured 6.50 mm, and was smaller than largest M. elongata atlantica spawning female (7.12 mm).…”
Section: Discussionmentioning
confidence: 79%
“…Organismos que vivem em águas quentes atingem a maturidade sexual mais cedo, apresentando menos mudas até a maturidade. GAMA et al (2001) registraram, com salinidade de 30‰ e temperatura de 20°C, cinco mudas em M. elongata atlantica até a maturação sexual (14 dias).…”
Section: Populações De Metamysidopsis Elongata Atlanticaunclassified
“…DOMINGUES et al (1999) relataram, para Mysidopsis almyra cultivado em laboratório a 26, 22 e 18ºC, que o tempo da primeira desova -13, 21 e 28 dias respectivamente -foi modificado em função da temperatura, aumentando com o decréscimo da mesma. No presente trabalho foram registradas cinco mudas até a maturação sexual (14 dias) em todas as salinidades e com temperatura de 20°C, concordando com estudos realizados por GAMA et al (2001) para M. elongata atlantica. LOUREIRO-FERNANDES & GAMA (1996) registraram resultados semelhantes para Metamysidopsis munda (Zimmer, 1918), ocorrente na mesma região de estudo: verificaram cinco mudas até a maturação sexual, com um intervalo médio entre elas de 2,2 e 2,7 dias (machos e fêmeas), a uma salinidade de 30‰ e temperatura de 20°C.…”
Section: I)unclassified
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