Antarctic toothfish

High school (ages 12+)
Animals & Nature

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/antarctic-toothfish

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific name?Dissostichus mawsoni
2. What is the predators?Orcas, other toothed whales, and seals
3. How does the Antarctic toothfish survive in freezing water?Its blood contains special antifreeze proteins that stop ice crystals from forming inside its body. This lets it live in water that is colder than the freezing point of fresh water.
4. What does the Antarctic toothfish eat?It is a carnivore that eats smaller fish and crustaceans that live in the Southern Ocean.

Cryopelagic: Living in the cold, icy waters of polar regions.
Trophic Levels: The position an organism occupies in a food chain, indicating its feeding relationship.
Endemic: Native or restricted to a certain place, in this case, the Southern Ocean.
Glycoproteins: Proteins that contain carbohydrate chains, which in this case, prevent ice formation in blood.