Slugoii

The oldest family line to establish itself in the area that would become the Slug Villa.

Members of this family usually have darker skin colors and purple + pink as the main colors; however, there are exceptions.

Male members of the family receive the surname "Purpureus"; female members receive the surname "Purpurea".

The second family line to establish itself in the area that would become the Slug Villa.

Members of this family usually have lighter skin colors and white + blue as the main colors; however, there are exceptions. Some members may have pink or purple shades, due to past mixing with the Purpureum family line.

Male members of the family receive the surname "Caeruleus"; female members receive the surname "Caerulea".

The third family line to establish itself in the area that would become the Slug Villa.

Members of this family usually have darker hair colors and red as the main color; however, there are exceptions. 

Male members of the family receive the surname "Rubrus"; female members receive the surname "Rubra".

The fourth family line to establish itself in the area that would become the Slug Villa.

Members of this family usually have greenish skin colors with yellow, white and/or blue mixed in; however, there are exceptions.

Members of this family of both genders receive the surname "Viridis".

A family line that recently arrived at the Slug Villa.

Members of this family usually have warm colors, with yellow as the main color; however, there are exceptions. 

Male members of the family receive the surname "Aurus"; female members receive the surname "Aura".

A family line that recently arrived at the Slug Villa.

Members of this family usually have browns and dark colors; however, there are exceptions. 

Male members of the family receive the surname "Fuscus"; female members receive the surname "Fusca".

A family line that recently arrived at the Slug Villa.

Members of this family usually have grey skin mixed with blues and greens; however, there are exceptions. 

Male members of the family receive the surname "Griseus"; female members receive the surname "Grisea".

The surname "Aquaticum" does not refer to an actual family line, but to all mermaid Slugoii, irrespective of their familial relationships.

The only common feature to members are being mermaids; any color combination can be found. 

Male members receive the surname "Aquaticus"; female members receive the surname "Aquatica".

All Slugoii that are either of a mixed heritage, or that do not belong to any of the families in the Slug Villa.

"Mixed heritage" Slugoii have parents that belong to different lineages or are mixed themselves. These Slugoii will receive a compound surname. In case these Slugoii marry and have off springs with a member of a defined family, they will retain their original surname, but the child will have the surname of the family they married into.

Few Slugoii do not have a known family line. They are either Slugoii that moved to the Slug Villa only recently, or are descendants of several generations of mixed heritage Slugoiis.