The children's department at MCPL Wausau features a 650-gallon saltwater aquarium with a living coral reef and more than 30 species of tropical fish and other marine life.
The tank was built by Acrylic Tank Manufacturing of Las Vegas and was funded by a donation from the estate of Phyllis Donner, a Wausau resident.
Inhabitants of the aquarium are as follows (as of 2020):
Fish
- Sea Goldie
- Mimic Elibi Tang
- Blue Tang
- Powder Brown Tang
- Clownfish
- Blue-Green Chromis
- Coral Beauty
- Emperor Angelfish
- Copperband Butterfly
- Bicolor Angelfish
- Royal Granma
- Bluespine Unicorn
- Lemon Peel Angel
- Yellow Tang
- White Blenny
- Sailfin Tang
- Flame Angelfish
- Powder Blue Tang
- Yellowhead Jawfish
- Lemon Chromis
- Azura Damsel
- Pink Skunk Clownfish
- Flame Hawkfish
- Purple Firefish
- Heniochus Butterfly
- Bangai Cardinal
- White Tail Chromis
- Vlaminingi Tang
- Blue Gungeons
- Heniochus Butterfly
- Bangai Cardinal
- Zebra Moray Eel
Invertebrates
- Rose Sea Anemone
- Banded Coral Shrimp
- Blood Red Fire Shrimp
- Nassarius Snails
- Corinth Snails
- Peppermint Shrimp
- Blue Hermit Crab
- Sand-Sifting Sea Star
- Chocolate Chip Starfish
- Blue-Legged Hermit Crab
- White-Legged Hermit Crab
- Black Urchin
- Pencil Urchin
- Red-Legged Hermit Crab
- Pin Cushion Urchin
- Scarlet Reef Hermit Crab
- Scarlet Skunk Cleaner Shrimp
Coral
- Daisy Button Polyps
- Frilly Mushrooms
- Mushroom Polyps
- Finger Coral
- Mushroom Coral
- Accordia
- Lettuce Coral
- Montapora
- Brain Coral