Template:POTD/2020-01-14
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92:. A small freshwater fish found in fast-flowing streams, it maintains its position against the current by gripping a rock with a sucker formed from two of its fins. The fish's mouth is slightly asymmetric; dextral (right-sided) fish tend to curve their bodies to the right as they rest, while sinistral (left-sided) fish tend to adopt a left-curving posture. The fish are omnivorous, picking edible items off the stream bed with the side of the mouth, but dextral and sinistral fish show no preference for which side of the mouth they use for this purpose.
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73:, also known as the lizard goby, is a species of
145:Knowledge (XXG) Picture of the day January 2020
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105:More featured pictures...
127:featured on Portal:Fish
84:to Japan, seen here in
69:Rhinogobius flumineus
94:Photograph credit:
90:Shizuoka Prefecture
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33:2020 January
79:Oxudercidae
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86:Hamamatsu
139:Category
101:Archive
96:Seotaro
82:endemic
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