Research Article

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

Figure 1

Agonistic interaction between two Acentrogobius virgatulus, in Maizuru Bay, Kyoto prefecture, Japan, (a–e) recorded on 23 June 2022, (f) recorded 25 July 2022. (a) Initial jaw lock upon observation. (b) Struggles to break/maintain jaw lock. (c) Escape and chase. (d) Lateral displays, mouth gaping, encircling, and fin extension. (e) Strikes and bites to the head and body. (f) Second recording of lateral displays and mouth gaping.
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