freshwater goby; Rhinogobius
Refers to any fish of the genus Rhinogobius, small freshwater gobies found in streams and rivers across East Asia. Often encountered in the context of fishing, aquariums, or local ecology.
You can often catch freshwater gobies in this river.
I keep a freshwater goby in my aquarium.
Katakana spelling is common for this fish name; usually written in kana.
Rare kanji spelling; the characters mean 'reed' and 'climb', reflecting the fish's habitat and behavior.
The name likely derives from the fish's habit of climbing reeds (葦, yoshi) in shallow water, though the exact origin is uncertain.