Tardigrades or water bears comprise of small (0.1-1mm) multicellular extremophiles found in both terrestrial and aquatic environments.
The body is divided into 4 segments plus an head and each segment bears a pair of legs which terminate in claw-like appendages..
The eggs are laid singly or in a shed cuticle the exuvia. Depending on temperature and food availability the life cycle from eggs to adults is usually 3-5 weeks. Water Bears are able to undergo an inactive or cryptobiotic state for many years. to survive harsh environments. Anhydrobiosis is a crytopbiotic phenomena whereby the animals can lose most ot their cellulular water and form a dormant resistant 'tun' which can tolerate extremes of temperature and desiccation. Some genera can also survive unfavourable conditions by entering a dormant diapause phase (encystment) and form black pupal-like structures c.f. Dactylobiotus dispar.
Large, aquatic species, up to 1000um.
Forms black resting stages (diapause) during environmental stress.
Cultures contain circa 100 adults plus eggs and enough algal food (Chlorococcum) to sustain them for 2 weeks.
<p>For ongoing culture please order A68...
Easily maintained water bear which feeds on unicellular algae i.e. A68 Chlorococcum sp. Life cycle from eggs to adults is usually about 3-4 weeks at room temp. (14-22 Celsius) and viable eggs are laid in moulted cuticles. Standard 50ml cultures contain appr...