Salinity Tolerance of Fertilized Eggs and Larval Survival in the Flsh Sillago sihama

Lee, C. S.; Hu, Fangyuan; Hirano, Reijiro

doi:10.3354/meps004169

Cited by 21 publications

(7 citation statements)

References 9 publications

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“…Also, there were more dead larvae at higher salinities (greater than 4OYw). Fish larvae of several species surviving well at lower salinities have been reported (Nakai, 1962;Sylvester et al, 1975;May, 1975;Hu & Liao, 1979, Lee et al, 1981. However, fewer larvae with straight bodies were found at the lower salinities (Fig.…”

Section: Discussionmentioning

confidence: 59%

Effects of salinity on egg development and hatching in grey mullet Mugil cephalus L.

Lee

1981

Journal of Fish Biology

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Grey mullet, Mugil cephalus, collected from ponds were induced to spawn with carp pituitary homogenate and human chorionic gonadotropin (HCG) at 30"/onsalinity and 26" C. The spontaneously spawned and fertilized eggs were transferred to sea water of different salinities in the range of 5-7O0/oo,either at the 2-blastomere or the gastrula stage. Those eggs transferred at the gastrula stage were more tolerant to the salinity change than were those transferred at the 2-blastomere stage. The eggs did develop to the embryonic stage within the salinity range from 5 to 6OYon. Hatching occurred in all salinities between 10 and 55u/oo. However, no larvae survived at 10 or at 5 5 %~. The optimal salinity range for eggs incubating at 22.0-25.5' C was from 30 to 40%0 salinity, with the peak at 35°/ba. I. INTRODUCTIONMugil cephalus is considered one of the important animal protein sources for the peoples of the Pacific Basin, Southeast Asia, India, the Mediterranean and Eastern European countries and in many parts of Central and South America (Nash, 1978). It is also expected to replace the Hawaiian anchovy as bait for the tuna fishing industry in Hawaii. Successful mass production of this species is urgent. Techniques to induce spawning of M. cephalus were established by Kuo et al. (1 974). However, a reliable technique for larval rearing has not been yet standardized. To achieve this objective, a series of experiments have been carried out, including a study of salinity effects.To date, little information has been published on the effects of salinity on the early development of grey mullet, M. cephalus. Sylvester et al. (1 975) studied the survival of naturally spawned mullet eggs within a narrow salinity range (24-32%0) and suggested that the range 30-32%0 is optimal for eggs incubated at 18.5-20-5"C. In contrast, Hu & Liao (1979) incubated M. cephalus eggs, after manual stripping of the ovary and artificial fertilization, in salinities from 0 to 42.2Yw. Their results indicated that the optimal salinity range is from 22 to 23°/oo for eggs incubated at 22-24" C. The results are summarized in Table I. In our study, we examined the survival of naturally spawned eggs over a wide salinity range-from 5 to 709'00; the tolerance of fertilized eggs to salinity changes at two different development stages; and the survival of the hatched larvae.

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Section: Discussionmentioning

confidence: 59%

Effects of salinity on egg development and hatching in grey mullet Mugil cephalus L.

Lee

1981

Journal of Fish Biology

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“…Eggs, zygotes and juveniles of a marine clown fish (living in 35 PSU), showed normal development between 9 and 42 PSU (Dhaneesh et al., 2012). Adult salinity acclimation can also benefit egg development through plastic responses in euryhaline fishes (Kucera et al., 2002; Lee et al., 1981; May, 1974; Watanabe et al., 1985).…”

Section: Introductionmentioning

confidence: 99%

Sperm performance limits the reproduction of an invasive fish in novel salinities

Green

Niemax

Herrmann

et al. 2021

Diversity and Distributions

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“…Studies of this species have mainly focused on salinity tolerance [7], population dynamics [8], distinction of the genus Sillago [9], and phylogenetic relationships among the genus Sillago [10]. These studies found that S. sihama had tolerance to lower salinities [7], but with excessive exploitation, wild populations of S. sihama had been diminished in size and were low-aged [8]. The lack of genetic and genomic data for S. sihama has led to limited improvement in its breeding programs [11].…”

Section: Introductionmentioning

confidence: 99%

A First Insight into a Draft Genome of Silver Sillago (Sillago sihama) via Genome Survey Sequencing

Tian

Huang

et al. 2019

Animals

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Simple SummarySilver sillago (Sillago sihama Forsskål) is distributed alongshore from the Indian Ocean to the West Pacific. Owing to its delicate quality, rich seafood taste, and high nutritional value, S. sihama is an attractive seafood in China. However, the main supply of this fish is from wild capture. The lack of genetic and genomic data for S. sihama has led to limited improvement in its breeding programs. In this study, we conducted a genomic survey of S. sihama using next-generation sequencing technology to investigate its genomic profile. We obtained useful data, such as genome size, sequence repeat ratio, heterozygosity ratio, and the genome sequences, which might accelerate the breeding and culturing programs for S. sihama.AbstractSillago sihama has high economic value and is one of the most attractive aquaculture species in China. Despite its economic importance, studies of its genome have barely been performed. In this study, we conducted a first genomic survey of S. sihama using next-generation sequencing (NGS). In total, 45.063 Gb of high-quality sequence data were obtained. For the 17-mer frequency distribution, the genome size was estimated to be 508.50 Mb. The sequence repeat ratio was calculated to be 21.25%, and the heterozygosity ratio was 0.92%. Reads were assembled into 1,009,363 contigs, with a N50 length of 1362 bp, and then into 814,219 scaffolds, with a N50 length of 2173 bp. The average Guanine and Cytosine (GC) content was 45.04%. Dinucleotide repeats (56.55%) were the dominant form of simple sequence repeats (SSR).

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Salinity Tolerance of Fertilized Eggs and Larval Survival in the Flsh Sillago sihama

Cited by 21 publications

References 9 publications

Effects of salinity on egg development and hatching in grey mullet Mugil cephalus L.

Effects of salinity on egg development and hatching in grey mullet Mugil cephalus L.

Sperm performance limits the reproduction of an invasive fish in novel salinities

A First Insight into a Draft Genome of Silver Sillago (Sillago sihama) via Genome Survey Sequencing

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