Live Cape river mussel with hand for size. The Walsingham Farm, Kowie River, Eastern Cape (2022). Previously called Cafferia caffer. Large robust brown mussels. Posterior end of adult shell angular in outline. Juveniles show zigzag sculpture over the shell, as well as growth lines. Adults retain growth lines, but not sculpture. 87.3 x 46.6 mm.… Continue reading Cape river mussel (Unio caffer)