How to House Two Chinchillas Together (Co-Caging)

1 Chinchilla Co-Caging: Method and Cautions

1. The right way to co-cage

Familiarize them first: place the two cages side by side for about a week so they see and smell each other, or swap cages for a week (twice or more). Then try co-caging and watch for fights; if they fight, separate at once to avoid injury, lengthen familiarization, and retry. Females are dominant and males gentle, so use the female’s cage or a new cage as the space. Success means no fighting — but opposite-sex pairs must not stay together; separate after mating to avoid constant breeding.

2. Cautions

Not any two chinchillas suit co-caging. Opposite sexes only at 8+ months and 500 g (avoids early breeding; small/light females risk mother and kits). Weights shouldn’t differ too much (miscarriage/injury). Both must be healthy — no fungus or diarrhea — to avoid contagion. Match genes and avoid inbreeding: two white-gene or two velvet-gene chinchillas must not pair (velvet = velvet silver, velvet black; white = silver, white, pure white, pink-white, etc.), and same-litter siblings must not pair.

After mating, a copulatory plug appears — proof the female is pregnant — so separate them at once; a pregnant female refuses the male, but the male still wants to and may cause a miscarriage.