The eggs are retained in or on the parent's body, but the larvae subsist on the yolks of their eggs and receive no nourishment from the adult.
ðɪ ˈɛɡz ɑːɹ ɹᵻtˈeɪnd ɪn ɔːɹ ɔnðə pˈɛɹənts bˈɑːdi, bˌʌt ðə lˈɑːɹviː sʌbsˈɪst ɔnðə jˈoʊks ʌv ðɛɹ ˈɛɡz ænd ɹᵻsˈiːv nˈoʊ nˈɜːɹɪʃmənt fɹʌmðɪ ɐdˈʌlt.