孙志景, 姜巨峰, 傅志茹, 吴会民, 刘肖莲, 夏苏东, 张振国, 郝爽, 冯守明. 红头丽体鱼红魔丽体鱼杂交子一代胚胎发育及仔鱼形态学观察[J]. 南方水产科学, 2014, 10(3): 38-46. DOI: 10.3969/j.issn.2095-0780.2014.03.006
引用本文: 孙志景, 姜巨峰, 傅志茹, 吴会民, 刘肖莲, 夏苏东, 张振国, 郝爽, 冯守明. 红头丽体鱼红魔丽体鱼杂交子一代胚胎发育及仔鱼形态学观察[J]. 南方水产科学, 2014, 10(3): 38-46. DOI: 10.3969/j.issn.2095-0780.2014.03.006
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SUN Zhijing, JIANG Jufeng, FU Zhiru, WU Huimin, LIU Xiaolian, XIA Sudong, ZHANG Zhenguo, HAO Shuang, FENG Shouming. Observation of embryonic and larval development of blood parrot cichlid fish Cichlasoma synspilumC.citrinellum[J]. South China Fisheries Science, 2014, 10(3): 38-46. DOI: 10.3969/j.issn.2095-0780.2014.03.006
Citation: SUN Zhijing, JIANG Jufeng, FU Zhiru, WU Huimin, LIU Xiaolian, XIA Sudong, ZHANG Zhenguo, HAO Shuang, FENG Shouming. Observation of embryonic and larval development of blood parrot cichlid fish Cichlasoma synspilumC.citrinellum[J]. South China Fisheries Science, 2014, 10(3): 38-46. DOI: 10.3969/j.issn.2095-0780.2014.03.006
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红头丽体鱼红魔丽体鱼杂交子一代胚胎发育及仔鱼形态学观察

Observation of embryonic and larval development of blood parrot cichlid fish Cichlasoma synspilumC.citrinellum

    摘要
  • 摘要: 对红头丽体鱼Cichlasoma synspilum（♀）红魔丽体鱼C.citrinellum（♂）杂交子一代（F1）（俗称血鹦鹉）的胚胎及仔鱼形态发育进行观察，描述了各发育时期的发育时序和形态特征。平均受精率为（91.333.06）%，平均孵化率为（91.672.08）%；血鹦鹉的受精卵呈椭圆球形，黏性，有浅黄、白灰和红褐3种颜色，无油球，平均卵长径为（1.890.04）mm；发育过程可分为6个阶段：受精卵阶段、卵裂阶段、原肠期、神经胚期、器官形成期和孵出期，并进一步分为28个发育分期；在水温（300.5）℃下历时约52 h 36 min完成孵化。初孵仔鱼全长（3.710.05）mm，卵黄长径为（1.740.09）mm，短径为（1.250.07）mm，于第3天开始摄食轮虫，孵出后第5天卵黄囊完全消失。第13 天全长（11.861.02）mm，各鳍条基本形成，进入稚鱼期。

     

    Abstract: We observedthe embryonic and larval development of hybrids between Cichlasoma synspilum (♀) and C.citrinellum (♂) . The average fertilization rate and hatching rate were (91.333.06）% and（91.672.08）%, respectively. The oval-shaped and adhesive fertile egg had threecolors such as light yellow，white-gray and red brown without oil globule. The average length of fertile egg was (1.890.04) mm. The progress of embryonic development comprisedsix stages: zygote stage, cleavage stage, gastrula stage, neurula stage, organogenesis stage and hatching stage, eachdivided into 28 periods. At water temperature of (300.5)℃, the hatching time was 52 h 36 min. The total length of newly hatched larvae was (3.710.05) mm with yolk sac length of (1.740.09) mm in long diameter and (1.250.07) mm in short diameter. The larva started to ingest rotifers after 3 d, and the yolk sac was consumed completely 5 d later. On 13th day, the total length of the larvae was (11.861.02) mm, and most of fin rays appeared, indicatingthatthe larvae turned into juveniles.

     

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