The default rarity is the minimum when a pet is learned. For wild pets this is usually "poor". Pets from other sources can be common, uncommon or rare by default.
Source:
Promotion
Expansion:
Mists of Pandaria
Owned by:
32%
Based on this many collections: 50
Strategies:
1
Popularity:
Low
Pageviews:
263
Breeds:
PB
Aquatic
Harmful damage over time effects are reduced by 50% on Aquatic pets.
50% vs.
33% vs.
33% vs.
50% vs.
Everything you own will eventually belong to Pinchy. What, are you really going to argue with those claws?
Source 
PvE 
PvP 
Other Info 
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