Observations of Agonistic Behavior between Two Male Gobies Acentrogobius virgatulus (Jordan & Snyder, 1901), in Maizuru Bay, Kyoto Prefecture, Japan

IF 0.7 4区 农林科学 Q4 FISHERIES Journal of Applied Ichthyology Pub Date : 2023-04-24 DOI:10.1155/2023/8868453
H. H. Godfrey, Yumi Henmi
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Abstract

Acentrogobius virgatulus (Jordan & Snyder, 1901) is a small coastal species of goby found along the Western Pacific. It is commonly found in Maizuru bay along the muddy sediment between the intertidal zone and depths of 10 m. In June and July of 2022, two independent agonistic interactions between male A. virgatulus were observed and recorded during its spawning season. One interaction, lasting over 4 minutes, included certain aggressive behaviors such as jaw locking, mouth gaping, fin extensions, rapid color changes, and fast strikes to the head and body. Another interaction exhibited similar mouth gaping, fin extension, and rapid color changes but did not lead to further escalation. These behaviors coincide with those found in similar species and provides in situ evidence of these uncommon interactions. This is the first record of agonistic behavior by an Acentrogobius species. Accumulating findings such as these can contextualize intraspecific interactions, reveal differences across multiple species, and guide future experiments.
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两只雄性虾虎鱼Acentrogobius virgatulus (Jordan & Snyder, 1901)在日本京都舞津湾的竞争行为观察
Acentrogobius virgatulus (Jordan & Snyder, 1901)是沿西太平洋发现的一种小型沿海虾虎鱼。它常见于舞足湾,沿着潮间带和深度10米之间的泥泞沉积物。在2022年6月和7月,观察和记录了两次独立的雌雄互作。其中一次互动持续了4分钟以上,包括某些攻击性行为,如颌锁、张口、鳍展、快速变色以及对头部和身体的快速攻击。另一种相互作用表现出类似的张口,鳍延伸和快速颜色变化,但不会导致进一步升级。这些行为与在类似物种中发现的行为一致,并为这些不常见的相互作用提供了原位证据。这是第一次记录了一种无尾虾的竞争行为。积累这些发现可以将种内相互作用的背景化,揭示多个物种之间的差异,并指导未来的实验。
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来源期刊
Journal of Applied Ichthyology
Journal of Applied Ichthyology 生物-海洋与淡水生物学
CiteScore
2.30
自引率
11.10%
发文量
73
审稿时长
3-8 weeks
期刊介绍: The Journal of Applied Ichthyology publishes articles of international repute on ichthyology, aquaculture, and marine fisheries; ichthyopathology and ichthyoimmunology; environmental toxicology using fishes as test organisms; basic research on fishery management; and aspects of integrated coastal zone management in relation to fisheries and aquaculture. Emphasis is placed on the application of scientific research findings, while special consideration is given to ichthyological problems occurring in developing countries. Article formats include original articles, review articles, short communications and technical reports.
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