Which preposition to use with gharials

between Occurrences 1%

Salties breed in April and Gharials between the last week of March to the second week of April.

in Occurrences 1%

One day Rom and Harry decided to shift the largest male Gharial in the Croc Bank from one pit to another as it had broken its upper jaw in a fight with another male during the previous breeding season.

into Occurrences 1%

As we were transferring the male Gharial into a female mugger pit, Harry jokingly yelled: "What do you think we will get-a Ghammer?"

Which preposition to use with  gharials