Assertion: catfish's spine | /r/HasProperty | great anti-predator devices
Facets:
value: from other fish
type: TRANSITIVE-OBJECT
Source sentences:
text: The spines on the dorsal and pectoral fins are great anti-predator devices.
text: Their bony exoskeleton and sharp spines are great protection from other fish.
text: The spines on the dorsal and pectoral fins are great anti-predator devices.