“…Nevertheless, in other vertebrates such as fishes, myostatin expression has been observed in several tissues/organs in addition to skeletal muscle, such as the brain, eyes, pancreas, gills, gonads, heart, intestine, kidney, liver, skin, spleen, and stomach (Maccatrozzo et al, ; Radaelli et al, ). Similarly, in invertebrates as crustaceans, myostatin expression has also been observed in several organs/tissues (Covi et al, ; MacLea et al, ; Qian et al, ). Additionally, in bivalve mollusks, specifically in scallops, such as Chlamys farreri and Argopecten irradians (Kim et al, ; Hu et al, ; Guo et al, ), the myostatin organ/tissue expression has been demonstrated, showing higher expression levels in the adductor muscle, followed by mantle and gills, with lower expression levels in kidney, digestive gland, gonad, smooth muscle, and hemocytes.…”