This is the 6148th most frequent Japanese word.
カジカ
"カジカ" (Kajika) refers to a type of freshwater fish, commonly known as sculpin.
In this sentence, "カジカ" refers to a specific type of fish, called sculpin, commonly found in river habitats.
カジカが川底に生息しています。
Kajika (sculpin fish) inhabit the riverbeds.
Here, "カジカ" refers to kajika frogs, known for their croaking sounds during the colder months.
冬になるとカジカが鳴くことがあります。
In winter, kajika frogs sometimes croak.
The term "カジカ" in this context represents either the fish or frogs, emphasizing conservation efforts in this region.