Assertion: goldfish's body | /r/HasProperty | no pigment cells
Facets:
Source sentences:
text: Where matt scales are present, the following effects are seen: if there are no pigment cells then the body appears pink; if pigment cells are present at depth within the skin then melanophores appear to give a background blue colour (rather than black) and other colours appear more subtle including violet, grey and brown; if pigment cells are present on the surface then matt (rather than reflective) colours are seen.