Assertion: axolotl's gill | /r/HasProperty | obvious
Facets:
Source sentences:
text: As everyone knows, the Axolotl is neotenous: it retains juvenile characters into sexual maturity, and even an adult is essentially an unmetamorphosed larva, exhibiting a perennibranchiate morphology (meaning that external gills are obvious).
text: At this size the larvae become more cannibalistic, since they snap at anything that moves and at that size can damage their siblings (missing limbs and gills are an obvious sign).