Lake Placid vs. Anaconda (2015) on Netflix

Plot summary

In Black Lake, Maine, Jim Bickerman and the mercenary Beach capture a female giant crocodile and take it to two scientists, who crossbreed its blood with that of a female giant anaconda. The crocodile escapes and frees the anacondas before the truck explodes, breaking part of the electric fence that keeps crocodiles in the lake. Reba, who is sheriff of Black Lake, asks Will Tull, a Fish and Wildlife Service officer, for help in recapturing the crocodiles. A group of Delta Gamma sorority members reaches nearby Clear Lake for initiation.