AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/fish-tank-granuloma

Germs called Mycobacterium can cause fish tank granuloma in people. Where does it usually show up?

Start playing free

  1. As ulcers only inside the mouth
  2. As sores or bumps on the hands
  3. As swelling only around the ankles

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Fish Owner Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. Washington State University IACUC: Zoonoses Associated with Fish iacuc.wsu.edu/zoonoses-associated-with-fish Checked 2026-10-11.
  2. Washington State University IACUC: Zoonoses Associated with Fish iacuc.wsu.edu/zoonoses-associated-with-fish Checked 2026-10-11.
  3. CDC Healthy Pets: Fish www.cdc.gov/healthy-pets/about/fish.html Checked 2026-10-11.
  4. CDC Healthy Pets: Fish www.cdc.gov/healthy-pets/about/fish.html Checked 2026-10-11.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Fish & AquariumsHow long can a well-cared-for goldfish live?Fish & AquariumsHow large can a goldfish grow?Fish & AquariumsDoes a small tank set a healthy maximum size for a goldfish?

That's stuff everyone should know.