Assertion: spiny dogfish | /r/HasAspect | two spines
Facets:
value: in their dorsal fins
type: LOCATION
Source sentences:
text: Spiny dogfish have two spines, one in front of each dorsal fin.
text: For example, both the spiny dogfish and the Port Jackson shark have spines in their dorsal fins which are capable of secreting venom.
text: The spiny dogfish has one spine in front of each of the two dorsal fins while the smooth dogfish lacks dorsal spines.
text: Relating to their name, the spiny dogfish have two spines that are in front of each dorsal fin.
text: Spiny dogfishes have two spines, one in front of each dorsal fin, and lack an anal fin.
text: Spiny dogfishes have two spines, one in front of each dorsal fin, and lack an anal fin.