Assertion: male cichlid | /r/HasProperty | territorial
Facets:
value: due to the pressure of reproduction
type: CAUSE
value: very
type: DEGREE
Source sentences:
text: Male cichlids are very territorial due to the pressure of reproduction, males establish their territory and social status by physically driving out challenging males (novel intruders) through lateral displays (parallel orientation, uncovering gills), biting, or mouth fights (head-on collisions of ajar mouths, measuring jaw sizes, and biting each other's jaws).