Device for collecting and culturing fish embryos and method for evaluating combined toxicity of thiamethoxam and tetraconazole

A device for collecting and culturing fish embryos, comprising:

• a base plate,
• snap-fit holes provided on the base plate, and
• an embryo collection component and an embryo culture component wherein the embryo collection component and the embryo culture component are snap-fitted in the snap-fit holes, respectively;
• wherein,
• the embryo collection component comprises a culture tube and a collection tray, two ends of the culture tube are open, a bottom of the culture tube is provided with a filter screen, and an inner wall of the culture tube is provided with a snap-fit slot, a partition is movably inserted in the snap-fit slot, and the partition divides the culture tube into a left culture cavity and a right culture cavity with equal volumes, and the collection tray is detachably connected to the bottom of the culture tube;
• the embryo culture component comprises an embryo culture plate, and the embryo culture plate comprises a cavity plate and a top plate, the cavity plate is provided with a stopper;
• the top plate is provided with a culture well recessed downward, a bottom of the culture well is provided with a leakage hole, and the stopper blocks the leakage hole after the top plate is installed into the cavity plate.