Endangered native fish to be introduced at El Rio Preserve in Marana.

The Town of Marana and the Arizona Game and Fish Department will introduce two endangered Arizona native fish species to the lake at El Rio Preserve after Town Council approval, and officials expect hundreds to be released in the fall.

The Town of Marana and the Arizona Game and Fish Department are moving forward with plans to introduce two endangered Arizona native fish species into the lake at El Rio Preserve. Officials say the lake’s size, depth, temperature and aquatic vegetation create suitable habitat for the species. The project is expected to support local populations and offer opportunities for public environmental education. Town leaders approved the agreement, and officials anticipate introducing fish in the fall. Key points: - The Town of Marana and the Arizona Game and Fish Department are coordinating the introduction of two endangered native fish species to El Rio Preserve. - The lake at El Rio is described as having suitable physical and biological conditions for these species, including appropriate temperature and aquatic vegetation. - The Gila topminnow is mentioned as one of the species and is reported to feed on mosquito larvae, which officials say can help with mosquito control. - The Marana Town Council approved the agreement at a recent meeting. - Officials expect hundreds of fish to be introduced in the fall. - The project is intended to provide outreach and environmental education about native species and avoiding non-native introductions. Summary: The introduction is intended to strengthen local habitat, support endangered fish populations, assist with mosquito control, and provide educational opportunities. Marana officials have approved the plan and expect the releases to take place in the fall.