KhORPUShTHOI OBI (Echinoidae), jonvaroni bemuhraro guyand, ki bino ba tasnifoti zoologi ba tipi suzanpustho mansuband. Onho jonvaroni judojinsa buda, az kirmina (ekhinopluteus) inkishof meyoband; bazeashon zindazoyand. Ziyoda az 800 namudi muosiri khorpushtakhoi obi malum ast; dar bahrhoi SSSR qarib 40 namudashon vomekhurad. Dar uqyonus va bahrhoi shuriashon mutadil (dar chuqurii to 7 km) vase pahn shudaand. Baze khorpushthoi obiro baroi tukhm (ikra)-ashon shikor mekunand.