Electric Eels

Humboldt was able to collect five

electric eels because _________.

• he knew all about electric eels

• he hired fishermen to

  collect them

• the eels were tired from

  shocking horses

• the eels were young and

  didn’t shock much

Electric eels are different from

other fish because ___________.

• they have fins

• they swim in water

• they have gills to breathe

• they breathe with

  their mouth

An electric eel’s shock helps

it ____________.

• protect itself

• live out of water

• keep its eggs warm

• grow a new tail if its tail

  is cut off

An electric eel has ________

organs that help it make a shock.

• four

• two

• three

• five

Electric eels find nearby

prey ________.

• with their strong eyes

• with small electric shocks

• with their electrocytes

• with their tail

Electric eels mostly

eat________ .

• horses

• small fish

• other eels

• caimans

Which words from the book help

readers understand what a top

predator is?

• they breathe air

• can live out of water

  for hours

• that few other animals eat

• can also live in other types

  of nearby fresh water

Why are electric eels able live in

water that may kill other fish?

• because electric eels are as

  big around as a person’s leg

• because electric eels

  move slowly

• because electric eels

  breathe air

• because electric eels shock

  their prey

Female electric eels_____ .

• build bubble nests

• lay eggs in bubbles

• protect their babies

• protect their nests

10. Why are young eels eaten by

other animals?

• They have only a small shock.

• They do not have a shock.

• They don’t know how

  to shock.

• They don’t have the organs

  to shock.