Nests in the Mud: teacher key

Red-Bellied Piranhas, grade 2 edition, written for 2nd grade. Red-bellied piranhas eat more than meat, and the males build nests. Read about the food and the nests of this river fish.

Read the book. Print this page for the key.

Questions and answers

1. What do red-bellied piranhas also eat, besides meat?
   • Only rocks
   • Plants and fruit (answer)
   • Ice
2. Who builds the nests?
   • The males (answer)
   • The shoals
   • The birds
3. Where are the eggs stuck?
   • To rocks on land
   • To a tree
   • To plants under the water (answer)
4. What are groups of these fish called?
   • Nests
   • Shoals (answer)
   • Flocks
5. What shows that piranhas eat more than meat?
   • They also eat plants and fruit (answer)
   • They live in rivers
   • They swim in shoals

Words

• shoals: fish groups
• insects: small bugs
• nests: baby homes