Assertion: fish's spine | /r/CapableOf | slide within groove
Facets:
value: during routine movement
type: TEMPORAL
value: on the fish's pelvic girdle
type: LOCATION
value: normally
type: DEGREE
Source sentences:
text: The base of the catfishes' spines has a sequence of ridges, and the spine normally slides within a groove on the fish's pelvic girdle during routine movement; but, pressing the ridges on the spine against the pelvic girdle groove creates a series of short pulses.