The knobfin sculpin (Cottus immaculatus) is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Current, Eleven Point, Spring and White river systems in the Ozark Highlands of Arkansas and Missouri. An invasive non-native introduced population is present in the Pomperaug River drainage in Connecticut.[2] It reaches a maximum length of 9.0 cm.[3] It prefers rocky riffles of headwaters and creeks.
The knobfin sculpin (Cottus immaculatus) is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Current, Eleven Point, Spring and White river systems in the Ozark Highlands of Arkansas and Missouri. An invasive non-native introduced population is present in the Pomperaug River drainage in Connecticut. It reaches a maximum length of 9.0 cm. It prefers rocky riffles of headwaters and creeks.
Cottus immaculatus is een straalvinnige vissensoort uit de familie van de donderpadden (Cottidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 2010 door Kinziger & Wood.
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無斑杜父魚，為輻鰭魚綱鮋形目杜父魚亞目杜父魚科的其中一種，為溫帶淡水魚，分布於北美洲美國密蘇里州及阿肯色州的白河（英语：White River (Arkansas)）流域，體長可達9公分，棲息在礫石底質、水質清澈冰冷的激流，生活習性不明。
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