【摘要】The mature parent fish of Trichiurus lepturus was caught with bottom trawl on board R/V "Beidou" in the Haizhou Bay, Yellow Sea. The running eggs were artificially fertilized. The fertilized eggs began to divide in 1h30min, to be 16cell stage in 2h55min, late cleavage stage in 4h25min, blastula sta...