大弹涂鱼人工繁殖与养成研究Ⅰ.大弹涂鱼生物学特性

大弹涂鱼(bOlEOPHTHAlMuSPECTInIrOSTrIS)隶属于鲈形目、鲜虎鱼亚目、弹涂鱼科,俗称花跳,又名星点弹涂,是一种小型经济鱼类,鱼体虽小,但肉味鲜美细嫩,且有滋补强身的功效,必需氨基酸的含量较高,深受浙、闽、粤、台等省沿海群众喜爱,日本视之为有明海的名特产。自1968年我国台湾开始专业养殖以来,迄今仍然靠采捕天然苗放养。由于种苗和成鱼均可供出口创汇,其市场前景和经济效益已引起我国东南沿海渔农的关注,并开始发展养殖业

福建沿海网箱养殖鮸状黄姑鱼的鉴别

鮸状黄姑鱼(nIbEAMIICHTHIOIdES)隶属于鲈形目,石首鱼科,黄姑鱼属,系近海底层肉食性鱼类,分布于台湾海峡和南海,成鱼的外形和体色略似鮸鱼属的鮸鱼(MIICHTHySMIIuy),所以福建沿海渔民称之为白鮸或鮸鲈。该鱼肉味鲜美,含脂量高,营养丰富,主要销往台湾、港澳和日本等地。鮸状黄姑鱼是一种个体大、生长很快的海水网箱养殖对象,通常5月放苗到春节前(共8个月)平均体重500g以上,大的可达850g,16个月平均体重福建省自然科学基金第C96008

Research Progresses in Fish Olfactory System and Sex Pheromonal Receptors

鱼类嗅觉系统包括外部嗅觉器官、嗅神经和嗅球三个部分。嗅觉器官也称为嗅囊,由嗅上皮和髓质组成。气味物质的化学信息主要由嗅上皮上随机分布的嗅觉感受神经元感知,通过嗅神经将嗅觉信息传递到嗅球,嗅球在空间上有不同的功能分区,嗅觉信息经过嗅球各分区整合后分别传入端脑,发挥其生理功能。性信息素在鱼类生殖过程中的作用是通过嗅觉系统来完成的,其中嗅觉感受神经元上的性信息素受体起着重要作用。鱼类性信息素受体的研究主要从两个方面入手,一是从低浓度特异的性信息素引起嗅觉器官电生理反应或行为反应入手,寻找特异的性信息素受体;二是参照哺乳动物嗅觉受体的研究结果,从嗅觉受体基因遗传保守性入手,研究鱼类性信息素受体的结构与功能。Fish olfactory system is composed of olfactory sac,olfactory nerve and olfactory bulb.Olfactory sac,also called olfactory organ,is composed of olfactory epithelium and central core.Chemical signals are first detected by the olfactory receptor neurons that randomly distribute in the entire olfactory epithelium,and then transferred to the olfactory bulb through the olfactory nerve.There exist different functional regions in the olfactory bulb,where the chemical signals are integrated and transferred to the telencephalon to play physiological functions.The sex pheromones play their functions through the olfactory system in fish reproduction,and the sex pheromonal receptors of the olfactory neurons play an important role.Usually,two approaches are used to investigate the sex pheromonal receptors in fishes: the first is based on species-specific electrophysiological or behavioral responses to sex pheromones at very low concentrations,and the second is based on the conservative structures of receptors genes taking reference of the mammalian counterparts.国家自然科学基金项目(No.41276129); 福建省农业科技重大项目(No.2012N5011); 集美大学科研启动金(No.C612002

大弹涂鱼耗氧率研究

大弹涂鱼耗氧率研究戴庆年，张其永，黄兰芳（厦门大学海洋学系）关键词大弹涂鱼，耗氧率，浮头，窒息点前言鱼类耗氧率和窒息点不仅表达鱼体的代谢生理，也反映鱼类在外界环境条件影响下的生活状况。研究鱼类的耗氧率在鱼类养殖业上可为鱼类养殖密度、水质管理、饵料利用...国家自然科学基金;福建省水产厅资

黑鲷和大弹涂鱼精液短期冷冻保存

福建省自然科学基金资助项目!C93048

Effects of benzo(a)pyrene exposure on aryl hydrocarbon hydroxylase activities in the liver of Boleophthalmus pectinirostris

研究了苯并 (a)芘 (BaP)胁迫下大弹涂鱼肝脏芳烃羟化酶 (AHH)活性的变化 ,结果显示 :BaP对大弹涂鱼肝脏AHH活性总体表现为显著的诱导作用 (P <0 .0 1) ,其中BaP暴露的浓度及时间是影响AHH活性的重要因素。 0 .0 5mg·L-1浓度的BaP暴露对AHH活性无显著影响 ,而 0 .2mg·L-1和 0 .5mg·L-1浓度组AHH活性则显著被诱导 (P <0 .0 1)。随着暴污时间的延长 ,0 .2mg·L-1浓度组AHH活性被显著诱导 (P <0 .0 1) ,而 0 .5mg·L-1组AHH活性则相对稳定。对AHH活性变化的剂量 效应关系进行回归分析的结果表明 ,0 .5mg·L-1浓度组暴露 7d时 ,AHH活性受到一定程度的抑制。污染解除后 ,0 .5mg·L-1浓度组AHH活性显著降低 ,恢复至与对照组相近 ,表明大弹涂鱼肝脏仍具有较强的生理调节机能 ,同时也表明AHH活性可及时反映环境中BaP的水平。以上这些结果表明AHH适于作为大弹涂鱼受BaP胁迫的生物指标。Changes of aryl hydrocarbon hydroxylase(AHH) activities in the liver of Boleophthalmus pectinirostris with benzo(a)pyrene(BaP) exposure were detected in experimental condition. The results showed that the activities of AHH were significantly induced by BaP(P<0.01). Factors including BaP concentration and exposure time had important effect on AHH activities. The activities of AHH decreased to the control level after BaP was removed. It turned out that the physiological modulatary mechanism was still exist in the liver of B. pectinirostris and the activities of AHH could reflect the level of BaP in the environment. All of the results showed that AHH was suitable to be the bioindicator of BaP exposure.国家自然科学基金资助项目 ( 4 9876 0 2 9