ʻO nā kukama he mau mea kai. Ua like ko lakou kino me ko ke kukumba, nolaila ko lakou inoa. Ua kapa ʻia nō hoʻi lākou he mau kaʻa kai. ʻAʻohe iwi o nā kukama kai, no laila, neʻe lākou e like me nā ilo. Noho nā kukama ma ka papakū. Hiki iā ʻoe ke loaʻa iā lākou a puni ka honua. Hiki i nā kukama ke ola a hiki i 5 mau makahiki, i kekahi manawa a hiki i 10 mau makahiki.
ʻO ka ʻili o nā kukama kai, ʻoʻoleʻa a mūmū. ʻO ka hapa nui o nā kukama kai he ʻeleʻele a ʻōmaʻomaʻo paha. ʻEkolu kenimika wale nō ka lōʻihi o kekahi mau kukama kai, a ʻo kekahi e ulu ana a hiki i ʻelua mika. Ma kahi o nā niho, aia nā kukama kai e hoʻopuni ana i ko lākou waha. ʻAi lākou i ka plankton a ʻai i ke koena o nā mea kai make. I ka hana ʻana pēlā, lawe lākou i kahi hana koʻikoʻi ma ke ʻano: hoʻomaʻemaʻe lākou i ka wai.
Hoʻohana ʻia ka trepang, kahi subspecies o ke kukama kai, i mea hoʻohui i nā kīʻaha ma nā ʻāina ʻē aʻe o ʻAsia. Eia kekahi, hoʻokani nā kukama kai i ka lāʻau lapaʻau Asia ma ke ʻano he mea hoʻohui i nā lāʻau lapaʻau.
Hoʻoulu hou nā kukama kai ma o nā hua i kapa ʻia ʻo roe grains a i ʻole caviar grains. No ka hana hou ʻana, hoʻokuʻu ka wahine i kāna mau hua i loko o ke kai. A laila hoʻomomona ʻia lākou ma waho o ka ʻōpū e ke kāne.
ʻO nā ʻenemi maoli o nā kukama kai he pāpaʻi, iʻa hōkū, a me nā ʻū. He mana hoihoi ko ke kai: inā nahu ka ʻenemi i kahi ʻāpana kino, hiki iā lākou ke ulu hou i kēlā ʻāpana kino. Kapa ʻia kēia ʻo "regeneration".