12163234 / Newborn Spiny Pygmy Shark (Squaliolus laticaudus) with yolk sac still attached held in hand, Israel, Mediterranean Sea.
Group courtship, mating behaviour and siphon sac function in the whitetip reef shark, Triaenodon obesus - ScienceDirect
Newborn Spiny Dogfish with yolk sac still attached Stock Photo - Alamy
Egg case (Chondrichthyes) - Wikipedia
Whale Sac - Whale Sac SHARKS! - Whale Sacs
Excretion - Sharks
A. Bronze whaler Carcharhinus brachyurus. Yolk-sac found in the uteri... | Download Scientific Diagram
Sulikowski Shark and Fish Conservation Lab - Blue shark baby! Blue shark (Prionace glauca) are viviparous, with a yolk-sac placenta. In this form of reproduction the mother and baby have a direct
Shark Devocean on Twitter: "#Deepsea dogfish give birth to live young and nourish their embryos from a yolk sac. Baby longnose velvet dogfish. #shark #lecithotrophy https://t.co/Ho5k0UImvN" / Twitter
Figure 6.2 (Nasal Sacs of Shark) Diagram | Quizlet
Empty Egg Sac | Whitespotted Bamboo Shark (Chiloscyliium plagiosum) | Japan | Tony Wu Underwater Photography