El iʻa tremielga a iʻa torpedo paha, i kapaʻia hoʻi tremielgas a i ʻole tremielgas, he laha mehameha a me nāʻauʻau maikaʻi ʻole i ʻike pinepine ʻia e kanu ʻia i ke one a lepo paha. e waiho wale ana nā maka a me nā mea ʻike maka. Hoʻohālikelike ʻia kēia iʻa e kāna mau ʻano noho a me kāna ʻoki kino me nā kihi ākea i hopena ʻia mai ka hoʻohui ʻana o ke kino me nā ʻāpana pectoral.
ʻO ke kino o kaumaha loa ka tremielga, a me nā fector pectoral, i poepoe ʻia, hoʻopili ʻia me ia, a hana lākou i kahi pā pālahalaha iki i kona ʻano mua.
ʻO nā pelvic fin, a poepoe pū kekahi hoʻi, e ʻike ʻia ma lalo o nā pectorals, a pili i ka hapa o ka hiʻu o ka huelo, a ʻo ka wēlau me kahi finau caudal i hana pono ʻia. Ma ka laina waena, ʻelua mau lua o ka huelo. ʻO ka Liʻiliʻi loa nā maka akā koʻikoʻi, e ʻae iā ʻoe e nānā i kāu mau kaiapuni me kou kino i uhi paʻa ʻia i ka sediment.
Hōʻike ka hapalua o ka waha i nā niho liʻiliʻi i hoʻonohonoho ʻia i nā lālani. Pāheʻe ka ʻili, a ma ke kua he ʻelua mau mea uila i hana i nā haʻalulu ikaika ke manaʻo ka tremielga i ka hoʻonāukiuki ʻia, kēia hoʻokuʻu ʻana, ʻoiai ʻo ka huhū, ʻaʻole ia he mea weliweli no ke kāne. Aia nā kahe pinepine ma waena o 45 a me 80 volts, ʻoiai ma kekahi mau hanana a i nā hiʻohiʻona nui loa hiki iā lākou ke kiʻi i 220 volts. Hiki i nā pēpē hānau hou ke hana i nā haʻalulu ma kahi o 4 volts.
Hiki iā lākou ke hana i nā uila uila i ka makemake mahalo i nā ʻāpana ʻona a me ke kala māmā i kapa ʻia ʻo "electroplasts". Aia kēia mau ʻōpū i mua o ka pāka, ma kēlā me kēia ʻaoʻao o ke poʻo.
ʻO ka tremielga kahi ʻano o ka nohona i ka pō a hānai ʻia meaola benthic. He ovoviviparous a kū ka hana ma kahi o ʻumi mau mahina a hiki ke hāpai ma waena o 5 a 32 embryos, kaukaʻi ʻia i ka nui o ka wahine.
E lilo i mea mua e wehewehe