Mate (Polyceridae - Lined Nembrotha) @ Dumaguete, Philippines (菲律賓 杜馬蓋地)
一對纏綿交配中的多角海蛞蝓愛侶
MatePolyceridaenudinudibranchLinedNembrothaDumaguetePhilippinesseaoceanmacrobehavioranimallovebirthfavourite
