Impact of pre-aggressive experience on behavior and physiology of black rockfish (Sebastes schlegelii)

Xu, Xiuwen; Guo, Haoyu; Zhang, Zonghang; Wang, Yihang; Qin, Jianguang; Zhang, Xiumei

doi:10.1016/j.aquaculture.2021.736416

Cited by 8 publications

(6 citation statements)

References 51 publications

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“…Although the TAR also has large holes, it had a poor aggregate effect on adults and juveniles (Table 2) because its holes are a straight-through structure with easy penetration, which is not conducive to hiding and shading S. schlegelii. Moreover, S. schlegelii will mark their territories and attack other fish entering their field of view (Xu et al, 2021). Visual barriers provided by artificial reefs can reduce aggressive behavior (Zhang et al, 2023).…”

Section: Discussionmentioning

confidence: 99%

Influence of reef structure and its flow field effect on the spatial behavior of Sebastes schlegelii adults

Gong

Wang

et al. 2023

Front. Mar. Sci.

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Sebases schlegelii is an important economic reef fish in northern China. Its distribution in the reef area is affected by the reef structure and flow field. To evaluate the effects of differently shaped artificial reefs with distinct flow field properties on the distribution of adult S. schlegelii, four types of artificial reefs (cubic (CAR), pyramidal (PAR), star-shaped (SAR) and tubular (TAR) artificial reef) and the related flow regimes were experimentally examined. The mean gathering rate (MGR) and wavelet analysis were adopted to analyze the distribution patterns of S. schlegelii adults around reef bodies in three representative environmental conditions (static water (FE1), 40 Hz water flow environment (FE2), and 50 Hz water flow environment (FE3)). The significant gathering behaviors around the artificial reefs were depicted through the MGR of adult fish during physical observations. For FE1, the MGR of adult fish showed a decrease in the order PAR > CAR > SAR > TAR. With increasing incoming velocities, the MGR changed such that the quantity of adult fish in the CAR gradually increased more than that in the PAR, but no significant differences were observed between them (P>0.05). Wavelet analysis showed that the fluctuations in the gathering behaviors of adults decreased with increasing flow velocities. Based on the two-factor analysis of variance, the reef structural characteristics had a more significant impact than the flow velocities on the gathering behavior of adult fish. In summary, the PAR and CAR are recommended to restore the habitats of S. schlegelii in marine ranches given their dominant aggregation effects on S. schlegelii.

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Section: Discussionmentioning

confidence: 99%

Influence of reef structure and its flow field effect on the spatial behavior of Sebastes schlegelii adults

Gong

Wang

et al. 2023

Front. Mar. Sci.

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“…The assessment of aggressiveness is very important for fishes with a high economic value. For example, in the captive stage before release, it is often seen as beneficial to reduce fighting so as to reduce losses [42]. However, when individuals are released into the wild, aggressiveness, as a key social behavior, becomes a means for individuals to protect their territory from aggression [43].…”

Section: Effects Of Food Deprivation On Fish Personalitiesmentioning

confidence: 99%

Effects of Food Deprivation Duration on the Behavior and Metabolism of Black Rockfish (Sebastes schlegelii)

Shen

Zhang

et al. 2021

Fishes

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Fish often undergo food shortages in nature, especially for juveniles that are relatively vulnerable in most aspects. Therefore, the effects of food deprivation on fish behavior and physiology are worth exploring. Here, we investigated the behavioral and metabolic adaptations of the juvenile black rockfish Sebastes schlegelii to different durations of food deprivation. In this study, three treatments were set: control group, short-term food deprivation (STFD) group, and long-term food deprivation (LTFD) group. The rearing lasted for six weeks. During this period, videos were recorded three times per week to assess the locomotor activity and aggression. After this, the fishes’ boldness, neophobia, and aggressiveness were assessed using different behavioral assessment devices, while the standard metabolic rate (SMR) was measured by flow-type respirometry. In general, the values of the four indicators (swimming time, the number of turns, movement number, and attack number) for the STFD group were significantly higher than those for the control and LTFD group during the same period of rearing. In a subsequent personality assessment, the STFD group was observed to be significantly bolder in an assessment measuring boldness than the control and LTFD group (indicated by time in the circle, swimming time, number of times through the circle, and frequency in the circle). The LTFD group was observed to be more exploratory in the assessment of neophobia (indicated by duration in the exploratory area, distance from novelty item, and frequency of stay in the exploratory area). Indeed, the LTFD group was observed to be significantly less aggressive in the assessment of aggressiveness than the control and STFD group (indicated by attack number, attack range frequency, first attack, and winner). SMR was noted to be significantly higher in the STFD group than in the control and LTFD group. In conclusion, this study firstly reported the effects of food deprivation duration on the personalities of black rockfish, as well as the behavioral and physiological mechanisms. Thus, we hope to provide insights into the work of stock enhancement.

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“…After observing fish basal locomotor activity, a mirror-image test, which has been verified to be valid in several fish species (Woodward et al, 2019;Da Silva-Pinto et al, 2020;Thore et al, 2020;Xu et al, 2021), was adopted to determine fish aggressiveness. In brief, a mirror (27 cm × 30 cm) was gently placed perpendicular to the bottom of the tank on a narrow side of each glass tank (Figure 1A).…”

Section: General Descriptions For the Serial Experimentsmentioning

confidence: 99%

“…Videos were recorded for 12 min from the moment the mirror was introduced, and then the middle 10 min of each video was selected to measure the aggressive behavior of the fish. Fish aggressiveness was estimated by counting the number of instances of chasing, nipping, and biting of the target fish for the mirror (Woodward et al, 2019;Zhang et al, 2020b;Xu et al, 2021).…”

Section: General Descriptions For the Serial Experimentsmentioning

confidence: 99%

Boldness Predicts Aggressiveness, Metabolism, and Activity in Black Rockfish Sebastes schlegelii

Zhang

et al. 2021

Front. Mar. Sci.

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Animal personality refers to individual behavioral and physiological differences that are consistent over time and across context. Recently, the fish personality has gained increasing attention, especially from the perspective of aquaculture production. Here, we used an important aquaculture species, black rockfish Sebastes schlegelii, as the target animal, and conducted a series of experiments to explore the relationships among fish boldness, aggressiveness, locomotor activity, opercular beat rate, standard metabolic rate, and cortisol level. Generally, the results showed that the boldness of black rockfish was significantly, positively correlated with fish aggressiveness, stressed locomotor activity, and standard metabolic rate, while was negatively correlated with stressed opercular beat rate. Bold fish had significantly higher aggressiveness, standard metabolic rate, and stressed locomotor activity but lower stressed opercular beat rate. However, there were no significant correlations between boldness and basal locomotor activity or between boldness and basal cortisol level. These results preliminarily constructed the behavioral and physiological spectrum of black rockfish in the context of fish personality and clearly indicated that the boldness could be used as a discrimination tool to predict fish aggressiveness and metabolic rate, which may have valuable applications for decreasing fish harmful aggression and increasing fish welfare in the aquaculture industry.

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Impact of pre-aggressive experience on behavior and physiology of black rockfish (Sebastes schlegelii)

Cited by 8 publications

References 51 publications

Influence of reef structure and its flow field effect on the spatial behavior of Sebastes schlegelii adults

Influence of reef structure and its flow field effect on the spatial behavior of Sebastes schlegelii adults

Effects of Food Deprivation Duration on the Behavior and Metabolism of Black Rockfish (Sebastes schlegelii)

Boldness Predicts Aggressiveness, Metabolism, and Activity in Black Rockfish Sebastes schlegelii

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