What is the average lifespan in the Miscellaneous Class?

The average lifespan midpoint for published Miscellaneous Class breeds is 12.8 years.

Dog breeds by group

Miscellaneous Class

11 breeds in the Miscellaneous Class have a verified adult weight and lifespan.

Last reviewed November 1, 2026.

Lifespan12.8 yr avg

Weight50.8 lb avg

GroupMiscellaneous Class11 breeds

Photos are from Wikimedia Commons under CC0, CC BY, or CC BY-SA. Photographer and license are on each breed page.

Japanese Akitainu
65–75 lb (male), 55–65 lb (female) · 10–12 years
Open breed
Age Feeding

Peruvian Inca Orchid
Small 8.5–17.5 lb; Medium 17.5–26.5 lb; Large 26.5–55 lb · 12–14 years
Open breed
Feeding
Portuguese Podengo
Large 44–66 lb; Medium 35–44 lb · 10–15 years
Open breed
Feeding
Pyrenean Mastiff
120–190 lb · 10–12 years
Open breed
Age Feeding

The average energy score is 3.5 out of 5. The average lifespan midpoint is 12.8 years.

Norrbottenspets has the longest listed lifespan in this group (14–17 years). Dutch Shepherd has the highest energy score in the group, 5 out of 5.

Frequently asked

11 Miscellaneous Class breeds have both a verified weight and a verified lifespan.

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