Starvation intensifies the impacts of interspecific interactions on foraging behavior of swimming crab (Portunus trituberculatus)

Liu, Dapeng; Su, Xianpeng; Wang, Fang; Zhong, Dasen; Sun, Yunfei; Zhang, Dan

doi:10.1016/j.aquaculture.2019.01.050

Cited by 14 publications

(3 citation statements)

References 48 publications

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“…Overwinter rearing can prolong the trading duration for some products, as aquatic animals often encounter survival stress due to temperature changes, disease or food deprivation (Higuchi et al, 2018;Liu et al, 2019). Aquatic animals often make extensive adjustments to their physiology in response to these environmental conditions, which can affect metabolic functions, nutrient content and taste.…”

Section: Discussionmentioning

confidence: 99%

Changes in the growth, nutritional quality and gut microbiota of the adult Chinese mitten crab,Eriocheir sinensis, following overwinter rearing

Shan

Feng

et al. 2021

Aquaculture Research

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Every autumn, large numbers of Chinese mitten crabs, Eriocheir sinensis, are sold, creating a backlog in availability reducing their sales. Crabs require a period of controlled rearing prior to their sale, which alleviates this fall backlog. This means that it has become increasingly important to establish an effective method for the overwinter rearing of E. sinensis. This study was designed to evaluate changes in the growth, nutritional quality and the composition of the gut microbiota of adult E. sinensis following overwinter rearing. The results revealed that the hepatosomatic index (HIS) significantly decreased while the gonadosomatic index (GSI) increased after overwinter rearing (p < 0.05) for 80 days. Percentages of total saturated fatty acid (ΣSFA) and monounsaturated fatty acid (ΣMUFA) in the three edible tissues (muscle, gonad and hepatopancreas) decreased after 80 days of overwintering. In addition, the amino acid content in all the three edible tissues diminished additionally, with the reduction in proline being the most significant (p < 0.05). Analyses demonstrated that overwintering affected the overall microbial community composition, and elevated the abundance of Candidatus Bacilloplasma; however, these changes were not significant (p > 0.05). Therefore, our results provide a key reference standard for the overwinter rearing of E. sinensis.

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Section: Discussionmentioning

confidence: 99%

Changes in the growth, nutritional quality and gut microbiota of the adult Chinese mitten crab,Eriocheir sinensis, following overwinter rearing

Shan

Feng

et al. 2021

Aquaculture Research

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“…Intraspecific and interspecific interactions such as fighting [ 1 ], food stealing [ 2 ], or competitive exploitation (one individual using a resource before the other can; [ 3 , 4 ]) can have a profound impact on the feeding behaviours and ingestion rates of many marine benthic species [ 5 , 6 ]. Individual traits related to body size and physiology (e.g., hunger state) can modulate foraging efficiency and competitive ability in various marine invertebrate taxa such as crustaceans [ 7 , 8 ], gastropods [ 4 ], and echinoderms [ 9 , 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Intra- and Interspecific Foraging and Feeding Interactions in Three Sea Stars and a Gastropod from the Deep Sea

Stuckless

Hamel²,

Aguzzi

et al. 2023

Biology

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Competitive interactions come in a variety of forms and may be modulated by the size and number of individuals involved, and/or the resources available. Here, intra- and interspecific competitive behaviours for food (i.e., foraging/food search and feeding/food ingestion) were experimentally characterized and quantified in four co-existing deep-sea benthic species. Three sea stars (Ceramaster granularis, Hippasteria phrygiana, and Henricia lisa) and one gastropod (Buccinum scalariforme) from the bathyal Northwest Atlantic were investigated using video trials in darkened laboratory conditions. A range of competitive or cooperative behaviours occurred, depending on species (conspecific or heterospecific), comparative body size, and the number of individuals involved. Contrary to expectations, small individuals (or smaller species) were not always outcompeted by larger individuals (or larger species) when foraging and feeding. Moreover, faster species did not always outcompete slower ones while scavenging. Overall, this study sheds new light on scavenging strategies of co-existing deep-sea benthic species in food-limited bathyal environments, based on complex behavioural inter- and intraspecific relationships.

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“…The swimming crab Portunus trituberculatus is an aggressive crustacean in the shelf of the West Pacific Ocean. As an important aquacultural and ecological species, intra-species fighting and cannibalism occurs when they are competing for access to resources [ 28 , 29 ], which is related to boldness [ 25 ]. The previous studies have focused on male crabs, but it is still not clear if there is a difference in agonistic behavior and boldness between male and female crabs [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Differences in Agonistic Behavior and Energy Metabolism between Male and Female Swimming Crab Portunus trituberculatus Based on the Analysis of Boldness

Zhu

Ren³

et al. 2022

Animals

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Individual differences in metabolism and agonistic behavior have been a key research area in evolution and ecology recently. In this study, we investigated the boldness of swimming crabs Portunus trituberculatus and explored the agonistic behavior between female and male crabs, specifically examining competitions between bold females vs. bold males (BF–BM), bold females vs. shy males (BF–SM), shy females vs. shy males (SF–SM), and shy females vs. bold males (SF_BM) and its relationship with energy metabolism. The main results revealed the following: There was no significant difference in boldness between females and males, while there were more bold individuals than shy in both females and males. Bold individuals initiated significantly more fights than shy individuals, and male initiators won significantly more fights than female initiators. The duration and intensity of fight between bold individuals was significantly higher than fights between shy individuals. For males, the concentration of glucose in the hemolymph was significantly higher in shy crabs than bold crabs, while there was no significant difference between shy and bold individuals in females. After fighting, the concentration of glycogen in claws was lower than that before fighting, and the concentrations of glucose and lactate in hemolymph were significantly higher after fighting than before. We found that the fighting willingness and ability were higher in male crabs than females and higher in bold crabs than shy. Fighting ability varied between sexes and was influenced by boldness and energy state.

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Starvation intensifies the impacts of interspecific interactions on foraging behavior of swimming crab (Portunus trituberculatus)

Cited by 14 publications

References 48 publications

Changes in the growth, nutritional quality and gut microbiota of the adult Chinese mitten crab,Eriocheir sinensis, following overwinter rearing

Changes in the growth, nutritional quality and gut microbiota of the adult Chinese mitten crab,Eriocheir sinensis, following overwinter rearing

Intra- and Interspecific Foraging and Feeding Interactions in Three Sea Stars and a Gastropod from the Deep Sea

Differences in Agonistic Behavior and Energy Metabolism between Male and Female Swimming Crab Portunus trituberculatus Based on the Analysis of Boldness

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