Effects of size distribution on social interactions and growth of juvenile black rockfish (Sebastes schlegelii)

• Published in: Applied animal behaviour science Vol. 194; pp. 135 - 142
• Main Authors: Guo, Haoyu, Zhang, Xiumei, Johnsson, Jörgen I.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.09.2017; Elsevier BV
• Subjects: 1992; 1993; Aggressive behavior; Aggressive behaviour; Agriculture; aquaculture; arctic charr; atlantic salmon; Behavioral Sciences; Body weight; brown trout; Cannibalism; carthy id; catfish clarias-gariepinus; Competition; Endocrine; Feeding; Feeding behavior; Fish; Grading; Growth; Growth hormone; Growth rate; Heterogeneity; Hydrocortisone; journal of fish biology; lkvord a; p243; p257; rainbow-trout; salvelinus-alpinus; Sebastes schlegelii; Serotonin; Size distribution; Social behavior; Social factors; Social interaction; Social interactions; stocking density; Studies; trout salmo-gairdneri; v114; v41; Variation; Veterinary Sciences; Zoologi; Zoology; Endocrine; Size distribution; Aggressive behaviour; Growth

•The presence of larger black rockfish did not suppress the food intake and growth of smaller individuals.•The size heterogeneity in all treatments tended to stabilize with time.•Aggressive interactions mainly occurred between similar-sized individuals.•Small rockfish were rarely aggressive in the p...