Furthermore, the carapace shows more red pigmentation and brown spots.
The confusion between the two arises over the amount of red pigmentation in the pores near the stem, and on the base of the stem.
The pink or red pigmentation may be quite pale, and in certain cases it is absent altogether.
They contain large and numerous mitochondria and with the high levels of myoglobin that gives them a red pigmentation.
Shells of this species often exhibit 4-5 whorls and are white to beige with more orange to red pigmentation apically.
The red pigmentation in Droughtmasters helps protect the cattle from cancer eye, sunburnt udders and photosensitization.
The gills are spotted with red pigmentation.
A deep red pigmentation heightens the effect, too, for it signals blood, fire or danger.
Recognized by its bright orange or red pigmentation, this species grows on rocks, often near bird or rodent perches.
It is often associated with the lack of usual red pigmentation and its replacement with yellow.