Residency and swimming behavior of Acanthopagrus schlegelii, Trachinotus blochii, and Acanthopagrus latus in relation to artificial reef models in a captivity experiment

Lee, Wei-Yu; Lan, Kuo‐Wei; Chang, Horng‐Yi; Naimullah, Muhamad

doi:10.1016/j.applanim.2022.105778

Cited by 2 publications

(1 citation statement)

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“…Consistent with this, studies on Gadus morhua have shown that cod raised in an enriched structure exhibit reduced swimming activity, more environmentally dependent variations in the fish population, and an increase in their activity time in the enriched structure [ 33 ]. Acanthopagrus schlegelii , as a reef fish, prefers to hide around reefs or obstacles to avoid rapids and save energy [ 34 ]. Some studies have shown that when artificial reefs are placed, their attractive effect is more significant than that of the control group [ 35 ].…”

Section: Discussionmentioning

confidence: 99%

Habitat Enrichment Causes Changes in Fish Behavioural Characteristics: A Case Study of Sparus latus

Guo,

Chen,

Qin

et al. 2024

Biology

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To better understand the habitat preferences and behavioural ecology of Sparus latus, we performed an experiment using box-shaped reefs as habitat enrichment materials, allowing us to determine the behavioural strategies and drivers involved in the response to different enrichment structures. The results showed that the first contact time of S. latus was negatively correlated (Pearson’s correlation, p < 0.005) with the distribution rate in the artificial reef area. Enrichment structures affected the habitat preferences of S. latus, and there was a significant difference in the average distribution rate between the control and treatment groups (Adonis, p < 0.001). The opening ratio (Adonis, R2 = 0.36) explained the distribution difference of S. latus better than the opening shape (Adonis, R2 = 0.12). In the absence of an enrichment structure, S. latus remained more active during the daytime, exhibiting poor clustering, while in the presence of an enrichment structure, S. latus exhibited clustered movement at night. The opening ratio was negatively correlated with the average interindividual distance (Spearman’s correlation, p < 0.01) and showed a significant positive correlation with the average distribution rate in the reef area (Spearman’s correlation, p< 0.001), indicating that the reef opening ratio significantly affected the reef-tropism and clustering behaviours of S. latus. The light intensity was negatively correlated with the average distance moved, and the average speed (Spearman’s correlation, p < 0.05) was significantly positively correlated with the reef first contact time (Spearman’s correlation, p < 0.001), indicating that the light intensity affected the exploration and activity patterns of S. latus. These results provide a research basis for analysing the pattern and process of fish proliferation induced by artificial reef habitats

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Section: Discussionmentioning

confidence: 99%