Sea Urchin

© Jean Tresfon

Igama Leentsapho Eziqhelekileyo

i-Urchin Yolwandle

Igama Lezesayensi

Echinoidea

Ukulinganisa

Ukufika ku-36 cm, umyinge we-12 cm

Ukukhangeleka

Uninzi lunemizimba ye-globular nekhefu ye-calcium carbonate. Efihliweyo kwimiphunga yobude obude nobubanzi. Uluhlu luhluke kumnyama, oluhlaza okwesibhakabhaka, oluhlaza kunye nolomhlophe ukuya kwilinen kunye nobomvu.

Inkcukacha Jikelele

Iklasi ye-Echinoidea iwela phantsi kwe-Echinodermata phylum, equka zonke iinkwenkwezi (uLwandle, iNtye kunye neBrittle) kunye namakhukhamba aseLwandle. Amalungu akwii-radially symmetrical (njengeentetho zesondo). Hambisa kwiinyawo ezincinci zokubamba. Ifunyenwe kwimifula okanye ingcwatywe esantini (i-Sand dollar). Ingabangela isilonda esibuhlungu ngeentsiba eziphelile kwaye zibangela ukusuleleka.

Ukutya

Ukutya kwi-algae (grazers) kunye ne-detritus.

Ukufumaneka

Ivela kuwo onke amalwandle ashushu kunye neendawo ezitshisayo zehlabathi.

Iindidi Eziqhelekileyo

Flower urchin
Toxopneustes pileolus
Inal urchin
Isilathisi se-Diadema
I-urchin ipencil urchin
Heterocentrotus mammillatus