Which animal is known for having transparent blood?
Icefish
The answer was Icefish. Here's the why, the decoys, and the source trail.
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Icefish have antifreeze proteins and lack hemoglobin, which makes their blood transparent instead of red like most vertebrates.
A good trivia question makes the wrong answers feel close. Here is the clean read on the set.
- Icefish - correct answer.
- Jellyfish - a decoy; it may live near the same topic, but it does not answer this exact clue.
- Octopus - a decoy; it may live near the same topic, but it does not answer this exact clue.
- Axolotl - a decoy; it may live near the same topic, but it does not answer this exact clue.
Icefish is the one to remember. Icefish have antifreeze proteins and lack hemoglobin, which makes their blood transparent instead of red like most vertebrates. Icefish live in the freezing waters of the Southern Ocean around Antarctica and have unique adaptations to survive the cold.
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Sources: Wikipedia - Icefish