The catfish belongs to the family of the catfishes of the order Catlocidae, which inhabits Japan, China, the Korean Peninsula, and Taiwan in East Asia. It is a river fish with a large, flat head and a broad mouth characterized by a long mustache. The tanigawa catfish belongs to a species endemic to Japan. In this article, we will discuss in detail the characteristics of the catfish and how to keep it [...].
The reef fish is a member of the family Gobyidae of the order Perchidae, found in rivers and lakes in tropical and temperate regions such as Japan and Southeast Asia. It is a river fish characterized by its sucker-like ventral fins, which are evenly concave in shape toward the inside. Some species also have reddish-brown lines on their heads. In this issue, we will discuss the [...].
The Oyan louse is a river fish of the family Perciformes, which inhabits the Kinki, Chugoku, Shikoku, and northern Kyushu regions west of the Yodo and Yura Rivers in Japan. It is also endangered in some places [...].
Kawamutsu is a genus of river fish in the family Carpidae, order Carp, that inhabits rivers and lakes in China and the Korean Peninsula in East Asia and in Honshu, Shikoku, and Kyushu west of the Tenryu River that flows through Nagano, Aichi, and Shizuoka Prefectures in Japan and the Noto Peninsula in the western part of Japan. [...]
The Hinamoroko is a light brown river fish with a white abdomen and light dark vertical stripes on its sides. It is an endangered species in some places. In this article, we will introduce the characteristics of the dace.
The Kawabatamoroko is a river fish with a silvery-white base, a greenish-brown back, and grayish-brown sides. The Kawabatamoroko also belongs to a species endemic to Japan [...].
Ugui are a genus of carp in the carp family, Carpidae, which are widely found in the upper and lower reaches of rivers throughout Japan, with the exception of Okinawa. It is also an attractive river fish with a stylish appearance. In this article, we will introduce you to the Ugui [...].
Itomoroko is a member of the carp family Sgomoroko-genus of the order Carp, found in Honshu, northeastern Shikoku, northern Kyushu, the Iki region of Nagasaki Prefecture, and the Goto region of Nagasaki Prefecture, west of the Nobi Plain in Japan. In this article, we will discuss the [...].
The Seboshitabira is a beautiful river fish with red and white rims on its tail. It is also the most likely to become extinct among the Tanago species. In this article, we will introduce the [...].
The white-finned bitterling is a member of the carp family, Carangidae, and belongs to the genus Tanago of the carp family, Carangidae, which inhabits the Noo Plain in Aichi Prefecture and the Yodo River system of Lake Biwa, which flows from Shiga Prefecture to Osaka Prefecture. In this article, we will introduce you to the white-finned [...].
