▁micro be ▁in ▁verte br ates . ▁ ▁This ▁sym b ios is ▁between ▁O oph ila ▁and ▁the ▁sal am ander ▁may ▁exist ▁beyond ▁the ▁o ocy te ▁and ▁early ▁emb ry onic ▁stage . ▁Ch lor oph yll ▁aut of lu ores c ence ▁observation ▁and ▁rib os om al ▁DNA ▁analysis ▁suggest ▁that ▁this ▁alg al ▁species ▁has ▁inv aded ▁emb ry onic ▁sal am ander ▁t issues ▁and ▁cells ▁during ▁development ▁and ▁may ▁even ▁be ▁transm itted ▁to ▁the ▁next ▁generation . ▁ ▁O oph ila ▁amb ly st om atis ▁are ▁only ▁found ▁in ▁fresh water ▁in ▁wood land ▁p onds . ▁They ▁grow ▁best ▁at ▁a ▁water ▁depth ▁of ▁ 3 0 cm ▁with ▁the ▁water ▁temperature ▁being ▁ 1 5 C ▁and ▁an ▁air ▁temperature ▁of ▁ 1 4 C . ▁Their ▁optimal ▁p H ▁toler ance ▁ranges ▁from ▁ 6 . 2 6 - 6 . 4 6 ▁and ▁they ▁require ▁an ▁environment ▁where ▁there ▁is ▁ 1 2 ▁hours ▁of ▁sun light ▁and ▁ 1 2 ▁hours ▁of ▁darkness . ▁C ells ▁are ▁mot ile ▁are ▁able ▁to ▁move ▁the ▁water ▁by ▁the ▁use ▁of ▁a ▁flag ell uma . ▁O oph ila ▁amb ly st om atis ▁can ▁also ▁reproduce ▁sex ually ▁and ▁a sex ually . ▁ 1 6 S ▁r R NA ▁has ▁been ▁partially ▁sequ enced ▁as ▁well ▁as ▁the ▁ 1 8 S ▁r R NA ▁for ▁the ▁pl as mid , ▁however ▁whole ▁gen ome ▁sequ encing ▁has