Assertion: catfish | /r/HasAspect | sharp spines
Facets:
value: on the dorsal fins
type: LOCATION
Source sentences:
text: They have sharp spines at the front of the pectoral and pelvic fin.
text: They have three sharp spines located on their bodies: one at the front of the dorsal fin (on its back), and one on each of the two pectoral fins (just behind the head, on the sides of the belly).
text: This is one of the catfish that have sharp spines not only on the dorsal fins but on the pectoral fin as well.