Fish:
* Common Carp: Introduced species, popular for fishing.
* Tench: A bottom-dwelling fish, common in the lake.
* Pike: A predatory fish, can reach significant sizes.
* Perch: A popular game fish, found in abundance.
* Zander: A predatory fish, also introduced.
* Rainbow Trout: Introduced for recreational fishing.
* Brown Trout: Native species, found in cooler, deeper waters.
* Eels: Found in deeper parts of the lake.
* Whitefish: A cold-water fish, found in deeper, colder waters.
Amphibians and Reptiles:
* Common Frogs: Several species of frogs are found around the lake.
* Toads: Different toad species can be found in the surrounding areas.
* Salamanders: A variety of salamanders live in the lake and surrounding areas.
* Snakes: Some snake species can be found in the area, mostly harmless.
* Lizards: Several lizard species inhabit the areas surrounding the lake.
Birds:
* Swans: Common sight on Lake Como, both mute swans and whooper swans.
* Ducks: Various duck species, including mallards, pochard, and tufted ducks.
* Herons: Grey herons and other heron species are found near the lake.
* Kingfishers: These colorful birds can be seen fishing along the lake.
* Cormorants: Large water birds, often found diving for fish.
* Seagulls: Common sight around the lake, especially near populated areas.
Mammals:
* Water Rats: Found in and around the lake.
* Otter: Occasionally seen in the lake, but rare.
* Bats: Different bat species inhabit the surrounding areas.
* Squirrels: Common in the woodlands around the lake.
* Deer: Can be spotted in the forests surrounding Lake Como.
This is not an exhaustive list, as the fauna of Lake Como is diverse and can change over time. However, it provides a glimpse into the rich animal life found in and around this beautiful lake.