Penguin Tetra Thayeria boehlkei Category: Tetra Details Description Max size in mm: 200 Feeding: omnivore PH Range: 6.0-7.4 Origin: South America Related products Read more Fluorescent Red Widow Tetra Read more Fluorescent Widow Tetra Assorted Colours Read more Fluorescent Pink Widow Tetra Read more Fluorescent Tangerine Widow Tetra