The difference between males and females of C. multidentata are obvious.
Like any other crustaceans, C. multidentata changes the exoskeleton every now and then. Juveniles change it every 4 to 7 days while grown ups do it approx. every month or so. Reason for shedding the skin is to accommodate their growing bodies or simply to repare some damaged body parts. How often they will molt depends on temperature (22-27 Celsius is preferred range) and food type, but usualy all shrimps molt after the partial water change.
When the eggs form eyes (the photo below), it is known that the hatching is near (next 5-7 days). In my experience the first eggs hatched after about 10-15 days after I noticed the eyes.
When eggs hatch, the tiny 1-1.5mm larvae is released. The larvae should spend not more than 8 days in freshwater because it will need full marine salinity (35ppt). It will go through few larval stages before it transforms into post-larvae aka the miniature shrimp. The larvae will spend up to 30-60 days in marine water before fully transformed into a miniature shrimp. Then it can be placed in freshwater, where it will thrive for next 3-4 years (life span). It has been known that this shrimp is sexually mature when 6 month old. You can look into my Caridina multidentata breeding attempts Vol.1 and Vol.2 , as well as how important role, bog-wood and Oak leaf litter, plays in this shrimps diet (they eat the microorganisms, fungus and algae growing on the wood and leaves).
Photos and text by Dusko Bojic.