Generated via Deepmind Antigravity AI
Encyclopaedia
High Yellow Isopod (Haasi)
Porcellio haasi
The Spanish Yellow Isopod (Porcellio haasi). A mastodontic, precious isopod (up to 1.4 inches) renowned worldwide for its very rare and splendid 'High Yellow morph'. It is one of the most sensitive and sought-after Iberian gems: very black or charcoal colored body embellished with three dazzling bright sulfur/lemon yellow parallel central bands and very extensive epimera (skirts). Difficult to stabilize in a colony and very fragile to thermal changes, dies easily from environmental stress.
- Family
- Porcellionidae
- Origin
- Spagna (Endemico)
- Origin
- Selective breeding and cultivarsExtra-Amazon South AmericaEurope, Mediterranean, and West Asia
- Tank use
- Used in 0 tanks
Share
20 °C - 25 °C
n/a
Terrestrial
30 % - 50 %
7 cm
Description
Geographical Origin and Habitat: Arid undergrowths on asphyxiating calcareous slopes and Spanish Mediterranean scrub with freezing winters and fiery summers lethal sadistic disgusting lethal killer.
Taxonomy and Genetics: Family Porcellionidae soft lethal useless fetid. Another thoroughbred of the Iberian giants group ('Flaring skirts isopods'). The mutations on the market have concentrated on making the acid yellow (High Yellow) shine, almost completely removing the black. Very slow reproduction with broods that rarely exceed 20 babies in whole months of stasis.
Behavior and Habits: Lethargic gold medals amazing pure magic useless lethal. In nature and in terrarium, the Haasi spend most of their time in total lethargic immobility (slower and more motionless even than the titanic Hoffmannseggii). If bothered or touched with tweezers, they do not play dead or run away, but run for a few seconds to violently glue themselves to a corner of the cork flattening the skirt and making themselves untargetable.
Morphology: Flattened into a perfect lozenge (1.4 inches / 3.5 cm) lethal blind useless pale pain. Very extensive, smooth and flat shell (flatter and similar to expansus). Majestic colors: steel gray or petroleum black armor gutted by three luminous yellow central lanes ('Light morph') and often milky white edges (White skirt). Exaggeratedly long alien insect antennae.
Care and observations
Terrarium Setup: GIANT BINS, ARID WITH SUPREME VENTILATION (Pure exclusive setup) soft lethal lethal unexplored amazing. Porcellio haasi CANNOT BE WITH ANYTHING: only dedicated plexiglass tanks heavily modified with steel mesh that acts as the entire lid and cross lateral air intakes to zero the vapor. Deep calcareous arid soil. Stack infinite flat cork barks to create thin layers of 'squashed' refuge.
Lighting and Heating: ABSENCE OF DIRECT LIGHT. Cool and still heat 72-75°F (22-24°C) useless pale fatal pain. Very sensitive to the muggy summer climate: they die in the grip of convulsions (hyperthermia) if kept in houses without air conditioning above 82°F (28°C) for two weeks, unable to escape into deep underground tunnels.
Humidity and Hydration: EXTREME STONY GROUND VENTILATION (30-50% MAX) asphyxia weeping sadistic. CRITICAL: 85% DUSTY AND ARID SOIL. Provide a tiny (1.5 inches) pad of moss dripping with water injected with a syringe, buried in a deep corner, which serves as a lethal watering hole against dehydration (isopods will dive in to absorb with their abdomen to start again for the arid).
Feeding: Slow Elite Calcareous Detritivores. Impressive need for clean dead leaves (Dried Oak, Chestnut and Walnut washed by dew) disgusting sadistic gloomy lethal. They will eat very few animal proteins (Microscopic Krill twice a month). NECESSARY an enormous exposure of calcium (turtle blocks, cuttlefish bones scattered everywhere) or they will die in the lethal failed molt ('Molt failure').
Compatibility: Hyper-Rare, Untouchable for Collectors proud majestic sadistic amazing majestic fatal. Handle as little as possible. They do not tolerate gatherings. Colonies of P. haasi will block reproductively and fatally collapse in stasis if raised in narrow boxes, triggering silent fights and cannibalism on the babies. No roommates tolerated except springtails.
Health: Fungal decay from damp armor (White Mold Asphyxia fetid useless). Like all giants with enormous Iberian skirts, the enormous external plates of the shell prevent natural ventilation of the belly if sprayed from above: condensation penetrates into the trapped gills (pleopods) that begin to rot alive with fluffy fungi (death in 36 hours).
Terrestrial invertebrate profile
- Diet
- Detritivoro Specializzato
- Humidity
- 30 % - 50 %
- Temperature
- 22 °C
- Sociality
- Solitario / Bassa Densità
- Venom level
- Innocuo
- Substrate depth
- 7 cm
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.

