| Species | Small Mammal |
|---|---|
| Origin | Syria |
| Size Category | Tiny |
| Scientific Name | Mesocricetus auratus |
| Category | Rodent |
| Original Purpose | Companion/Laboratory |
| Husbandry Difficulty | Beginner |
| Social Needs | Low |
| Weight Range | 0.1–0.2 kg |
|---|---|
| Lifespan | 2–3 years |
| Juvenile Stage Ends | 3 months |
| Senior Age Threshold | 2 years |
| Exercise Needs | Moderate - daily wheel running (8-12 km/night typical); supervised free-roam time 15-30 min daily |
|---|---|
| Grooming | Minimal for short-haired; long-haired variants need weekly brushing |
| Annual Exam Focus | Dental check (malocclusion), skin/fur condition, cheek pouch inspection, weight monitoring |
| Routine Care | Spot-clean cage daily; full bedding change weekly; fresh water daily; varied diet with pellets, seeds, vegetables |
| Condition | Onset Stage | Risk | Hereditary | Screening |
|---|---|---|---|---|
| Wet Tail (Proliferative Ileitis) | juvenile | high | No | N/A |
| Dental Malocclusion | adult | medium | Yes | Recommended |
| Cheek Pouch Impaction | adult | medium | No | N/A |
| Skin Mites (Demodex) | adult | medium | No | N/A |
| Diabetes Mellitus | adult | low | Yes | N/A |
| Amyloidosis | senior | medium | No | N/A |
| Risk Level | Medium |
|---|---|
| Ideal BCS | 3/9 |
| Visual Cues | Visible waist when viewed from above; ribs palpable with slight fat cover; no excessive fat deposits around limbs |
| Daily Activity | 30 minutes |
| Caloric Notes | Base: 12-15 kcal/day for 120-150g hamster; adjust ±10% based on activity level |
| Litter Size | 6–12 |
|---|---|
| Dystocia Risk | Low |
| CHIC Required Tests | N/A |
| Recommended DNA Tests | N/A |
| Neonatal Weight | 2–3 g |
|---|---|
| Growth Notes | Eyes open at 14 days; weaning at 21-28 days; sexually mature at 6-8 weeks |
| Vaccine/Health Schedule | No standard vaccines; focus on clean environment and quarantine of new animals |
| Temperature | 20-24°C (68-75°F) |
|---|---|
| Humidity | 40-60% |
| UVB Requirement | Not required; natural room light cycle 12:12 |
| Diet | Commercial hamster pellets supplemented with fresh vegetables, occasional protein (mealworms, boiled egg) |
| Common Issues | Wet tail, respiratory infections, dental overgrowth, skin mites, hibernation risk below 15°C |
| Anxiety Proneness | Medium |
|---|---|
| Top Triggers | Sudden loud noises, cage disturbance during sleep, unfamiliar scents, bright lights |
| Separation Anxiety Risk | Low |
| Calming Interventions | Deep bedding for burrowing, hideouts, consistent routine, dim lighting during active hours |
| Enrichment Needs | Foraging toys, tunnels, sand bath, varied substrate depth (min 15cm), chew toys |
| Cognitive Dysfunction Risk | Low |
| Sociability Score | 2/10 |
| Locomotion | Wheel running, burrowing, climbing, pouching food for transport |
|---|---|
| Social | Strictly solitary as adults; territorial aggression toward conspecifics; scent marking |
| Comfort | Grooming, stretching, yawning, nest building with substrate |
| Stress/Displacement | Bar chewing, excessive grooming, cage climbing, freezing, aggression |
| Breed-Specific | Extensive food hoarding in cheek pouches; deep burrowing; nocturnal/crepuscular activity pattern |
| Types | Squeaking (distress/excitement), hissing (threat), clicking (contentment), ultrasonic calls |
|---|---|
| Frequency Range | 2,000-50,000 Hz (includes ultrasonic) |
| Tendency | Low |
| Primary Modality | Primarily scent-based (flank glands); body posture secondary; vocalizations tertiary |
| Tail/Body Signals | Vestigial tail - no significant signaling function |
| Top Problems | Bar chewing, escape attempts, aggression during handling, food guarding |
|---|---|
| Medical Etiology | Pain from dental issues causing irritability; skin parasites causing excessive scratching |
| Fear/Anxiety Etiology | Biting when startled; freezing in open spaces; nocturnal hyperactivity if disturbed during day |
| Frustration Etiology | Bar chewing and cage climbing from inadequate space (<4000 cm² floor); wheel deprivation |
| Learned Behavior | Bite-to-be-released conditioning; food begging at cage bars |
| Cognitive Dysfunction | Repetitive behaviors in elderly hamsters; disorientation; sleep cycle disruption |
| AI-Trainable Signals | Ear position (forward=curious, flat=fearful), body posture (upright=alert, hunched=stressed), cheek pouch fullness |
|---|---|
| Context-Dependent Vocalizations | Squeaking during handling may indicate pain OR excitement - context of body tension differentiates |
| Interspecies Communication | Limited interspecies communication; relies on scent recognition of handler; habituation-based trust |