Here are some local species in Beijing. I got them in March and April when searching aquatic insects. Unfortunately, I know little about fish,
A big fighting fish, about 6cm. Macropodus ocellatus is the only fighting fish species in Beijing. Place: Greenlake Wetland
And this is the smallest one, less than 2cm. Place: Greenlake Wetland
A golden loach (4cm) Place: Greenlake Wetland & Shangzhuang Reservoir
another bigger loach (6cm). Place: Shangzhuang Reservoir
Unknown species, 5cm Place: Shangzhuang Reservoir
Unknown fish, maybe it’s just a common carp, 2cm Place: Shangzhuang Reservoir
A small goby, 2cm Place: Shangzhuang Reservoir
A big one. It should be another species differ from the above one Place: Shangzhuang Reservoir
The big goby, 6cm Place: Shangzhuang Reservoir
Another goby species (2cm) Place: Beijing Botanical Garden
