Sea Urchin
Igama Lomndenazo Elijayelekileko
Sea urchin
Igama Lesayensi
Echinoidea
Ubungako
Ikhula beyibe masenthimitha amatjhumi amathathu nesithandathu, ubuncani bazo ziba masenthimitha alitjhumi nambili.
Ikambiso Yokufanisa
Inengi lazo linemizimba erondo kanye neqephe elimumatha amakhemikhali. Imbeswe masasa wobude obuhlukako begodu abanzi nofana adege. Imibalazo ihluka ukusuka konzima, ohlaza sasibhakabhaka, ohlaza satjani kanye nomhlophe ukuya ko-orentji kanye nobovu.
Ilwazi Elivamileko
Isigaba sama-Echinoidea siwela ngaphasi kwama-Echinodermata phylum, ekufaka hlangana yoke imihlobo yama-Stars (Sea, Feather and Brittle) kanye ne-Sea cucumbers. Imizimbazo ibumbeke njengevilo. Zikhamba ngeenyawana zazo ezimatsikana nezinamatheleko.
Zitholakala hlangana neemilo zemanzini nofana zizibulunge ngaphasi kwesanda (Sand dollars). Amevanazo amasasa angabangela inceba elibuhlungu khulu nelivamise ukuphukela belidlulisele ubungozi.
Ukudla Kwazo
Ziphila ngokudla utjani bemanzini, ama-alga (zimhlobo ophila ngeemilo) kanye nama-detritus.
Ukusabalala Kwazo
Zitholakala kiwo woke amalwandle womhlaba wobujamo bezinga elifuthumeleko kanye nelipholileko.
Imihlobazo Ejayelekileko
Flower urchin
Toxopneustes pileolus
Needle urchin
Diadema setosum
Slate pencil urchin
Heterocentrotus mammillatus