. ▁p ell iser pent is ▁can ▁be ▁distinguished ▁from ▁its ▁sister ▁tax a ▁Sy ph ar och it on ▁s inc la iri ▁by ▁a ▁lack ▁of ▁longitud inal ▁strip ing ▁on ▁the ▁val ves , ▁a ▁more ▁o live ▁colour ▁( r ather ▁than ▁tur qu o ise ▁for ▁S . ▁s inc la iri ) ▁and ▁by ▁rad ula ▁length . ▁ ▁S . ▁s inc la iri ▁also ▁occup ies ▁a ▁different ▁station , ▁with ▁S . ▁p ell iser pent is ▁generally ▁found ▁on ▁top ▁of ▁rocks ▁above ▁mid ▁t ide ▁while ▁S . ▁sin cl ari ▁is ▁generally ▁located ▁under ▁stones ▁and ▁in ▁rock ▁po ols ▁over ▁the ▁lower ▁tid al ▁and ▁sub - tid al ▁region . ▁ ▁References ▁ ▁Category : Ch it on idae ▁Category : Ch it ons ▁described ▁in ▁ 1 8 3 5 <0x0A> </s> ▁The ▁San ▁J avier ▁Department ▁( in ▁Spanish , ▁Depart amento ▁San ▁J avier ) ▁is ▁an ▁administrative ▁sub div ision ▁( de part amento ) ▁of ▁the ▁. ▁It ▁is ▁located ▁on ▁the ▁n ortheast ▁of ▁the ▁province , ▁with ▁its ▁eastern ▁border ▁coinc iding ▁with ▁the ▁provincial ▁border ▁along ▁the ▁Par an á ▁River . ▁▁ ▁The ▁department ' s ▁head ▁town ▁is ▁the ▁city ▁of ▁San ▁J avier , ▁which ▁has ▁over ▁ 1 5 , 0 0 0 ▁inhabitants ▁( more ▁than ▁half ▁the ▁population ▁of ▁the ▁department ). ▁The ▁department ▁also ▁includes ▁the ▁towns ▁of ▁Ale j andra , ▁Ca ci