AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/fish-red-water-psp

Does clear water mean shellfish toxins are not present?

Start playing free

  1. Yes, clear water is always safe
  2. No, toxins can occur in clear water
  3. Yes, but only for oysters

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Angler 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 DOH Biotoxins: Myths and Misconceptions doh.wa.gov/community-and-environment/shellfish/recreational-shellfish/illnesses/biotoxins/myths-and-misconceptions Checked 2026-10-10.
  2. Washington DOH Biotoxins: Myths and Misconceptions doh.wa.gov/community-and-environment/shellfish/recreational-shellfish/illnesses/biotoxins/myths-and-misconceptions Checked 2026-10-10.

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

Test yourself in the game

FishingIs touching a shellfish to your tongue a reliable toxin test?FishingIs it true that shellfish are safe in months with the letter R?FishingBefore a Washington razor clam beach opens, how many toxin test samples must pass?

That's stuff everyone should know.