Six to eight inches of very solid salamander
A tiger salamander that has finished growing typically measures 6 to 8 inches from its blunt, rounded snout to the tip of its tail. Exceptional individuals, usually females kept well and fed generously, can reach 12 to 14 inches, which is why this species is often described as the largest land-dwelling salamander in the world. Length alone undersells it: adults are broad through the head and body, with thick limbs and a heavy tail, so a fully grown tiger feels more like holding a small, smooth-skinned lizard than the delicate amphibian many people picture when they hear the word salamander.
From water larva to burrowing adult
Tiger salamanders begin life as aquatic larvae with feathery external gills, and the transformation into the barred, land-going adult is one of the most dramatic in amphibian keeping. Most growth happens in the months around and after that change, when a hungry youngster will take earthworms and other soft prey almost daily. By the time the yellow or olive barring is fully crisp against the dark body and the gills are long gone, the salamander is nearing adult proportions, though it may keep filling out for another season. A larva that delays transforming is not necessarily a problem, but it changes the housing plan entirely.
Adult size and the burrowing lifestyle
A fully grown tiger spends much of its life underground, digging into deep, moist substrate and emerging at night or after misting to hunt. The enclosure should be wider than it is tall, with several inches of soil-like substrate the adult can disappear into completely, a shallow water dish, and hides at the surface. Because you may not see the salamander for days, keeping track of its size and weight relies on occasional gentle checks: a healthy adult feels solid and smooth, with a tail that stays thick at the base rather than thinning into a point.
Feeding an adult with a famous appetite
Tigers are enthusiastic, almost comical feeders, lunging at earthworms, nightcrawlers, and other invertebrate prey, and that appetite is exactly why obesity is the common adult problem. A fully grown salamander needs feeding only a few times a week, adjusted so its body stays broad but its sides do not bulge beyond the width of its head. Begging behavior at the glass is learned, not hunger, and giving in nightly produces a salamander whose impressive measurements owe more to fat than to frame. Consistent portion habits keep the adult's true size, and health, easy to judge.
A long-lived burrower worth recording well
Tiger salamanders can live for well over a decade in good care, much of it spent out of sight underground, which makes written notes more valuable for this species than for almost any other amphibian. Log feedings, emergence patterns, and size checks as you go, because memory blurs across that many quiet months. If this salamander ever moves to a new keeper, KinsLe Transferrable Profiles transfers its profile with that feeding and burrowing history included, so the next owner understands an animal they may rarely see.