About: http://webisa.webdatacommons.org/158414436

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	After searching many forums, blogs, and other pages too many to list here it seems they are dyed in process similar to tattooing where dye is injected under the skin.
http://www.w3.org/ns/prov#wasQuotedFrom	bettafish.com