Multiple choice general knowledge

The only vertebrate whose blood does not contain haemoglobin.

  1. Milkfish

  2. Ice fish

  3. Stonefish

  4. Shark

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ice fish (family Channichthyidae) in Antarctica are the only vertebrates with transparent, hemoglobin-free blood. They survive in cold, oxygen-rich waters without hemoglobin.