Long-haired 'Teddy Bear'
A variant of Hamster (Syrian) (Mesocricetus auratus)

Representative Hamster (Syrian)photo — a dedicated image of this exact morph isn't available yet.
A long-coated Syrian (males grow a fuller 'skirt') giving the fluffy teddy-bear look in any colour.
Keeper tips for this variant
Long coats trap bedding and droppings, so check the rear and gently comb out tangles; offer plain (non-fluffy) nesting to avoid matting.