| aquarium | 0.57 |
| bowl | 0.34 |
| temperature | 0.29 |
| tank | 0.27 |
| grow large | 0.70 |
| look for food | 0.60 |
| produce a lot of waste | 0.55 |
| eat live plants | 0.51 |
| change color | 0.47 |
| live for over 10 years | 0.47 |
| survive | 0.44 |
| eat tropical fish food | 0.44 |
| eat much food | 0.42 |
| scatter fine sand | 0.40 |
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| eyelid | 0.38 |
| short memory | 0.36 |
| tooth | 0.25 |
| one eye | 0.25 |
| preference | 0.25 |
| plenty of room | 0.24 |
| developed sense of taste | 0.16 |
| attention | 0.46 |
| filter | 0.42 |
| a lot of space | 0.36 |
| a lot of oxygen | 0.36 |
| an air pump | 0.25 |
| coldwater fish | 0.71 |
| members of the carp gro… | 0.69 |
| a freshwater fish | 0.56 |
| the most common fish | 0.25 |
| great starter fish | 0.21 |
| fed | 0.56 |
| trained | 0.53 |
| easy to care | 0.50 |
| kept in pond | 0.49 |
| kept as pet | 0.49 |
| bred | 0.42 |
| kept in bowl | 0.32 |
| introduced | 0.29 |
| developed in china | 0.29 |
| added | 0.25 |
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