A preliminary report on the development, growth and survival of laboratory reared larvae of the grey mullet, <i>Mugil cephalus</i> L.

Kuo, Ching-Ming; Shehadeh, Ziad H.; Milken, Kathy K.

doi:10.1111/j.1095-8649.1973.tb04475.x

Cited by 60 publications

(35 citation statements)

References 4 publications

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“…A curve for population V has not been plotted as it is seen from both Figs 2 and 3 and Table I that the migration of this population into the lagoon appears to be spread over a longer period. This compares with observations of Kuo et al (1973) for larval growth in the laboratory. On the basis of the observed rate of growth, a size of 8.0 cm will be attained at the end of one year, which is higher than that reported by Denzici (1958) andErman (1959) for the same species in the Mediterranean.…”

Section: Discussionsupporting

confidence: 81%

Biology of young grey mullet, Mugil cephalus L., populatioins in a coastal lagoon in Sri Lanka

Silva

1979

Journal of Fish Biology

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The biology of young grey mullet, Mugil cephalus L. populations of a coastal lagoon-the Negombo Lagoon on the West Coast of Sri Lanka was studied from October 1976 to March 1978. The relative abundance of fry were found to vary from month to month, with peaks occurring in December-January, May and September-October, coinciding with the end of rainy seasons. It was found that the young fry tended to migrate into the lagoon at a size of about 10-20 mm, most frequently between 15-20 mm in length, by which time they were fully scaled. The young fry after a period of growth in the shallow areas of the lagoon, when they reached a size of 30-35 mm, emigrated into the deeper waters of the lagoon.The rate of growth, as computed from length frequency distribution studies, was found to be around 0,24 mm day+. Results of diurnal surveys showed a movement of the larger size fry into shallower waters during the hours of darkness and this movement appears to be independent of the tidal cycle. It is postulated that the cause of this migration is to escape from predators, chiefly piscine. Investigations of the meristic characters indicated that the young fry which migrated into the lagoon at different times of the year probably originated from a single spawning stock.

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Section: Discussionsupporting

confidence: 81%

Biology of young grey mullet, Mugil cephalus L., populatioins in a coastal lagoon in Sri Lanka

Silva

1979

Journal of Fish Biology

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“…Early mugilid larvae, produced from recent spawn in the coast, could enter the lagoon during the months when the sandbar is open. On the other hand, larval mugilid stages reared in the laboratory completed their development between 29 and 89 days, depending on species (Kuo et al, 1973;Boglione et al, 1992;Yoshimatsu et al, 1992;Ismail et al, 1998;Monteiro-Ribas & Bonecker, 2001). Therefore, abundance of early mugilid larvae in the lagoon after 3 and 4 months without the bar being open, could only be explained by spawning inside the lagoon.…”

Section: Discussionmentioning

confidence: 99%

Spatial and temporal distribution of fish eggs and larvae in a subtropical coastal lagoon, Santa Catarina State, Brazil

2009

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This study investigated the variation in abundance, distribution and composition of ichthyoplankton in a lagoon in southern Brazil through the year and at different stations within the lagoon. Ibiraquera Lagoon is a shallow coastal lagoon connected to the sea by a semi-permanent sandbar. Ichthyoplankton samples were collected monthly from December 2003 to December 2004, with a 200 µm mesh net using horizontal surface hauls. A colder, drier period was detected, contrasting with warm months during which salinity varied depending on rainfall and whether the sandbar was open or closed. The mean abundance of ichthyoplankton over the study period was 459.6 ± 76.2 (SE) eggs · 100 m -3 and 63.6 ± 7.9 (SE) larvae · 100 m -3 , and they were present during all months. Significantly higher abundances of eggs and larvae were observed during warm months. The community was dominated by the family Engraulidae followed by Clupeidae, Gobiidae and Mugilidae. Engraulidae and Clupeidae were present throughout the year, with greater abundances in months with higher temperatures. Some coastal fish species spawn in Ibiraquera Lagoon, mainly near to the sandbar, demonstrating that the lagoon is a spawning area for coastal stock. We recommend the establishment of environmental procedures to promote the conservation of Ibiraquera Lagoon and its ichthyoplankton community.A abundância, distribuição e composição do ictioplâncton foram investigadas em uma lagoa no sul do Brasil durante um ano e em diferentes estações dentro da lagoa. A lagoa de Ibiraquera é uma lagoa costeira rasa, conectada ao mar através de uma barra semi-permanente. As amostras de ictioplâncton foram coletadas mensalmente entre dezembro de 2003 e dezembro de 2004, com uma rede cônico-cilíndrica de 200 µm de malha em arrastos horizontais e de superfície. Foi detectado um período frio e seco em contraste aos meses quentes e com variação na salinidade em função das chuvas e da barra estar aberta ou fechada. A abundância média do ictioplâncton, durante o período de estudo, foi de 459,6 ± 76,2 (SE) ovos · 100 m -3 e 63,6 ± 7,9 (SE) larvas · 100 m -3 , e ocorreram em todos os meses. As abundâncias de ovos e larvas foram significativamente maiores nos meses quentes. A comunidade foi dominada pela família Engraulidae seguida pelas famílias Clupeidae, Gobiidae e Mugilidae. As famílias Engraulidae e Clupeidae ocorreram principalmente nos meses com maiores temperaturas. Alguns peixes costeiros desovam dentro da lagoa, principalmente próximo a barra, evidenciando que a lagoa é uma área de desova para o estoque costeiro. Recomenda-se o estabelecimento de ações ambientais que promovam a conservação da lagoa de Ibiraquera e da comunidade ictioplanctônica.

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“…Fecundity studies were undertaken by Nikolskii (1954), Thomson (1957), Sarojini (1957Sarojini ( , 1958, Thomson (1963) and Hickling (1970). Descriptions of the spawned eggs and early embryological as well as larval and post-larval development have been furnished by Sanzo (1 936), Belloc (1938), Chacko (1950), Hotta (1955), Nair (1957), Anderson (1957), Yashouv & Berner-Samsonov (1970, Kuo & Shehadeh (1973).…”

Section: Introductionmentioning

confidence: 98%

Reproduction in the greenback grey mullet, Liza subviridis (Valenciennes, 1836)

Chan¹,

Chua

1980

Journal of Fish Biology

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This paper presents data on the reproductive biology of Liza subviridis, a little studied mullet species. The fish is heterosexual, exhibiting external fertilization. Six maturity stages can be macroscopically identified in the testes and seven in the ovaries. The macroscopic changes in the gonads are manifestations of histological changes occurring in the development of sperm cells and oocytes. First sexual maturity is attained in the length ranges of9.5-11.5 cm and 105-1 1.5 cm in male and female fish respectively. The fecundity for fish measuring 10.3-1 3.9 cm in standard length ranged from 40 000-145 000 eggs. The relationship between fecundity (F) and length (L) can be represented as: F = 1.9044 L4'2998. The spawning duration in L. subviridis is restricted to a short and definite period, with all ripe ova being released within a single spawning act. A pronounced spawning season can be detected to extend from June to November. However, during off-seasons, some spawning also occurs. The correlations between spawning, rainfall and air temperature is discussed.

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A preliminary report on the development, growth and survival of laboratory reared larvae of the grey mullet, Mugil cephalus L.

Cited by 60 publications

References 4 publications

Biology of young grey mullet, Mugil cephalus L., populatioins in a coastal lagoon in Sri Lanka

Biology of young grey mullet, Mugil cephalus L., populatioins in a coastal lagoon in Sri Lanka

Spatial and temporal distribution of fish eggs and larvae in a subtropical coastal lagoon, Santa Catarina State, Brazil

Reproduction in the greenback grey mullet, Liza subviridis (Valenciennes, 1836)

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