Why the hands stay out of the tank
An axolotl is built to live its whole life underwater, and its body assumes it will. The skin is delicate and covered by a protective slime coat that guards against infection; dry or warm hands strip that coat, and even damp hands can abrade the surface. Being lifted into air is worse — unsupported, drying and frightening for an animal with no defence against any of it. The good news is that an axolotl is an unusually legible animal: almost everything a keeper needs to know can be read through the glass, if you know the order to look in.
Gills: the first and most honest signal
Start with the three feathery gill stalks on each side of the head. In a healthy, settled axolotl they are full, fluffy and richly coloured for the animal's type, held in a relaxed position. Gills that shrink, lose their filaments or look pale over a week or two are telling you the water or the animal's condition is slipping; gills curled forward toward the face are a classic stress posture. Compare against your memory of last week's check, not against photographs of show animals — your axolotl's own baseline is the comparison that matters, which is why a written note beats a vague impression.
Skin, shape and behaviour through the glass
Move on to the body. The skin should look smooth and even, without white or grey patches, cottony tufts clinging to gills or toes, redness, or sores — patches and tufts like these can be signs of fungal or bacterial trouble and are worth a vet's opinion rather than home treatment. The body should be about as wide as the head, neither hollow-bellied nor swollen. Watch behaviour for a minute: a healthy axolotl spends much of its time still, with occasional unhurried walks and snaps at food offered. Repeated floating at the surface, frantic swimming or complete refusal of food across several days are all observations to write down, with the date.
The water test is part of the health check
Most 'axolotl health problems' presented at a tank are water problems wearing the animal as a symptom, so the check is not finished until you have tested the water. Ammonia and nitrite should read zero on a liquid test kit; nitrate should be low; and temperature should sit in the cool band axolotls need, roughly 60 to 68°F — sustained warmth above that range stresses them and degrades the gills you were just admiring. Run the tests on the same day each week, after the visual check, and treat any ammonia reading at all as a same-day partial water change, not a note for later.
A closer look, still fully submerged
Sometimes you need a better view of a toe or a patch than the front glass gives. Scoop a clear container under the axolotl in the tank — guiding it in gently with the container itself rather than a net where possible — and examine it through the clear sides while it stays underwater, then tip the container and let it swim out. It never leaves the water, never touches a hand, and you get a close, lit, magnified-by-proximity look. Keep the whole manoeuvre under a couple of minutes; the axolotl should experience it as a brief, odd current, not an ordeal.
Changes that should reach a vet quickly
Contact an aquatic vet promptly for spreading white or cottony patches, gills that keep shrinking despite correct water, a bloated body, refusal of all food for the better part of a week, or any injury. When you call, your weekly notes are the history the vet needs: what changed, when, and what the water was doing at the time. Keeping those dated observations together in KinsLe's Pet Passport — gill condition, appetite, test results and all — means the animal's story is ready to tell in full, even though it has never once been picked up.