Tandem spawning and development in the African freshwater pufferfish Tetraodon schoutedeni

被引：0
|
作者：
Momota, Kazuyuki [1 ]
Doi, Hiroyuki [1 ]
Obata, Hiroshi [1 ]
Sakai, Harumi [2 ]
机构：
[1] Osaka Aquarium NIFREL, Osaka, Japan
[2] Natl Fisheries Univ, Dept Appl Aquabiol, Nagata Honmachi 2-7-1, Shimonoseki, Yamaguchi 7596595, Japan
来源：
ZOO BIOLOGY | 2023年 / 42卷 / 03期
关键词：
aquarium fish; breeding technique; biting; reproduction; Tetraodontidae; FISHES;
D O I：
10.1002/zoo.21752
中图分类号：
S85 [动物医学（兽医学）];
学科分类号：
0906 ;
摘要：
To advance breeding techniques for the African freshwater pufferfish Tetraodon schoutedeni and observe tandem spawning closely, we monitored the reproduction of captive individuals. Eight spawning sessions (stable water temperature 24-25 degrees C; daily light period 07:00-19:00) occurred between May 2016 and November 2017. After 65-150 min of tandem swimming (the male biting and clinging to the female's abdomen), 3-50 spherical, weakly adhesive eggs were spawned, being scattered onto the sandy substrate or water plants. The removal of cohabitants (potentially eating spawned eggs) and provision of small initial food items, such as small-type Brachionus spp., for larval fish were essential for successful breeding.
引用
收藏
页码：357 / 363
页数：7
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