Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC20385/ Variable expression of myoglobin among the hemoglobinless Antarctic icefishes - PMC The important intracellular oxygen-binding protein, myoglobin (Mb), is thought to be absent from oxidative muscle tissues of the family of hemoglobinless... variable expressionamong theantarctic icefishesmyoglobinpmc