Initialism of snout to vent length: a measurement of size taken from the tip of an animal's nose to the opening of the cloaca at the tail base.

What does snout-vent length means?

Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent). ... The SVL differs depending on whether the animal is struggling or relaxed (if alive), or various other factors if it is a preserved specimen.

What is snout-vent length for a frog?

Snout-vent length (SVL) ranged from 42.05 to 86.63 mm in males and 34.03 to 53.27 mm in females. Age of adults ranged from 2 to 8 years in males and 3 to 5 years in females.