Assertion: guppy's spot | /r/HasProperty | gravid
Facets:
Source sentences:
text: To compete in the IFGA female class, the female guppy has to have a gravid spot in its tail.
text: This dark spot is also called the gravid spot and it may be difficult to see in some species of swords like the red velvet.
text: To compete in the IFGA female class, guppy must have a gravid spot in their tails.
text: This mark is known as the gravid spot.