观察水族箱中 Deocata 琵琶鱼的求偶行为 Microphis deocata (Hamilton, 1822) (Actinopterygii: Syngnathiformes: Syngnathidae)

Q3 Environmental Science Journal of Threatened Taxa Pub Date : 2024-01-26 DOI:10.11609/jott.8684.16.1.24529-24534
Anu Saikia, J. Nath, Dandadhar Sarma
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引用次数: 0

摘要

德奥卡塔琵琶鱼(Microphis deocata)是喜马拉雅山脉发现的唯一淡水鞘鲤。该物种被《世界自然保护联盟红色名录》列为 "近危 "物种,也被列为 1972 年《野生动物保护法》附表一物种。由于其诱人的色彩和独特性,该物种在观赏鱼贸易中备受追捧。M. deocata 的求偶行为包括三个不同的阶段(初始求偶、产卵和摇摆),其特征是行为会发生重大改变。M. deocata 是一个雌性求偶行为在开始阶段和后期阶段都比较明显的物种。雌性会表现出皮肤褶皱的装饰,以表示它们准备好产下成熟的卵。求偶的第一阶段,雌性会颤抖,同时雌雄都会用头顶着对方,还经常用尾巴缠绕对方。作为拥抱的标志,雄性通常会压在雌性身上。在第二阶段,雌性以倒立的姿势将卵转移到雄性的孵化腹面。在最后阶段,雄鱼将身体形成一个收缩的波浪,最后在鱼缸底部安顿下来。
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Observations on the courtship behaviour of Deocata Pipefish Microphis deocata (Hamilton, 1822) (Actinopterygii: Syngnathiformes: Syngnathidae) in an aquarium
The Deocata Pipefish Microphis deocata, is the sole freshwater syngnathid found in the Himalayan range. This species is categorised as ‘Near Threatened’ by the IUCN Red List and is also listed as a Schedule I species under the Wildlife Protection Act of 1972. This species is highly sought after in the ornamental fish trade due to its attractive colouration and uniqueness. The courtship behaviour of M. deocata consists of three distinct phases (initial courtship, spawning, and swaying) characterized by substantial behavioural alterations. M. deocata is a species where the action of females is more visible for commencing courting and strengthening at later phases. The females exhibit skin fold ornamentation to signal their readiness to spawn mature eggs. The first courtship phase is characterised by female quivering along with head pointing by both sexes and often tail entangling. As a sign of embracing the male often overlies upon the female. In the second phase, the female transfers her eggs onto the male incubating ventral surface with an upside-down body posture. During the final phase, the male forms his body into a contracting wave and lastly settles down in the bottom of the tank.
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来源期刊
Journal of Threatened Taxa
Journal of Threatened Taxa Environmental Science-Nature and Landscape Conservation
CiteScore
1.00
自引率
0.00%
发文量
220
审稿时长
24 weeks
期刊介绍: JoTT is a platform for quick and timely publication of research, findings, reviews and other aspects of science related to conservation and taxonomy including subject areas such as ecology, behavior, physiology, methodology, veterinary, diseases, management, models, data, among other relevant topics of conservation biology that have a direct or substantial impact on the knowledge, distribution, status, threats and conservation of native fauna, flora and fungi.
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