Cratena peregrina is a nudibranch of 2 to 5 cm, translucent body covered with bright-blue cerata tipped in orange. Lives on hydroid colonies on which it feeds, storing their stinging cells (nematocysts) in its own cerata for defense. A spectacular macro subject. Very common in the Mediterranean and nearby Atlantic in spring and summer.
Frequently asked questions
How big is the Peregrine aeolid?
Peregrine aeolid (Cratena peregrina) reaches 2–5 cm in length.
At what depth can you find the Peregrine aeolid?
Peregrine aeolid is found between 1–50 m deep.
Is the Peregrine aeolid dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Peregrine aeolid?