Update: Wolf-eel Eggs

Our wolf-eel eggs continue to thrive. Each week, our aquarists take photos of the developing eggs to track their development.

Week 5:
Note the long tail running just below and to the left of the yolk. You can also see a pair of blood vessels that fork out from below the head toward the perimeter of the egg. The eyes seem more developed and pigmented than what was observed at 4 weeks.

Week 5

Week 6:
Check out the left pectoral fin at the base of the neck, shooting upward.

Week 6

Week 6

The eggs should hatch in about a month. Below is a short video we took when the eggs were with still with their parents. See how closely they guard them!

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Scripps Institution of Oceanography UC San Diego