Fig. 1.

Photographing the whole fish, liver and dorsal muscle of largemouth bass fed different experimental diets for 8 weeks. C0, C25, C50, C75, and C100 represent diets in which Chlorella meal replaced fish meal levels of 0%, 25%, 50%, 75%, and 100%, respectively. (A) Representative images of whole fish; The red dashed box and black solid box area in the picture represent dorsal body and abdominal body, respectively. (B) Representative images of liver tissues; The yellow dashed box part in the picture was sampled for histological analysis. (C) Representative images of dorsal muscle. Scale bar (1 cm) was presented in the bottom right corner in every picture.