Illinois Natural History Survey - University of Illinois



Jen Mui



  2. a host fish for northern riffleshell larvae

  4. the soft tissue covering the body of the mussel

  6. aperture used to excrete waste

  9. with 5 down, scientific name of the northern riffleshell

10. aperture used to bring water and nutrients into the mussel

13. an exotic species that covers native mussel species


  1. larval stage of freshwater mussel lifecycle

  3. brood pouch in female mussel

  4. scientist that studies mussels

  5. with 9 across, scientific name of the northern riffleshell

  6. term for a species that is locally extinct

  7. the oldest portion of the mussel shell, also called a beak

  8. shallow, oxygen rich habitat in streams

11. small floating organisms eaten by mussels

12. organic debris from decaying organisms



Answers (highlight below)


2. Sculpin

4. Mantle

6. Excurrent

9. Epioblasma

10. Incurrent

13. Zebra mussel


1. Glochidia

3. Marsupium

4. Malacologist

5. Rangiana

6. Extirpated

7. Umbo

8. Riffle

11. Plankton

12. Detritus

Download PDF

Illinois Natural History Survey

1816 South Oak Street, MC 652
Champaign, IL 61820

Terms of use. Email the Web Administrator with questions or comments.

© 2019 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois Natural History Survey.

Staff Intranet