Definition of leptocephalic in English:

leptocephalic

(also leptocephalous)

adjective

  • Narrow-skulled.

    • ‘The leptocephalous larvae travel back to freshwater habitats in Taiwan, mainland China, Korea, and Japan.’
    • ‘In fishes, elopomorphs have a leptocephalous stage in the life cycle.’
    • ‘Young larvae (leptocephalous larvae) migrate towards the fresh waters of the European coasts during the first three years of life.’

Pronunciation:

leptocephalic

/ˌlɛptə(ʊ)kɛˈfalɪk//ˌlɛptə(ʊ)sɪˈfalɪk/