The Transparent Larval Stage of a Developing Eel

Hashem Al-Ghaili of Science Nature posted a really informative video essay about the leptocephalus — the fascinating larval stage of developing eels. During this stage, the nacent eels are completely transparent with very simple innards and zero blood cells.

Their bodies contain jelly-like substances on the inside …their body organs are extremely small and they only possess a simple tube for a gut.

Lori Dorn
Lori Dorn

Lori is a Laughing Squid Contributing Editor based in New York City who has been writing blog posts for over a decade. She also enjoys making jewelry, playing guitar, taking photos and mixing craft cocktails.

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