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Spanish shawl, Flabellina iodinea

Spanish shawl, Flabellina iodinea, Spanish shawl, Flabellina iodinea
This spanish shawl (Flabellina iodinea) appears to be in danger of
becoming a colorful snack for a onespot fringehead (Neoclinus
uninotatus). Thankfully for the shawl, its wild coloration is indicative of
it's ability to sting potential predators. Spanish shawls rove the reef in
search of the hydroids upon which they feed. Interestingly enough, a shawl's
stinging ability comes from special cells called nematocysts which are captured
from prey and passed through the digestive system without being discharged. It's
possible that this fringehead wasn't interested in the passing slug because it
was familiar with its defense mechanism. However, I suspect that it's more
likely the fish was entirely unaware of its visitor. Fringeheads, apparently,
have poor eyesight. I've seen them out hunting -- they're quite prone to
mistaking rocks for prey.

    "Anchor Farm", Monterey Bay, California
    December 4, 2004

Spanish shawl, Flabellina iodinea, Blood star, Henricia leviuscula
The vibrant colors of a Spanish shawl (Flabellina iodinea) provide
star (Henricia leviuscula).

    "Shale Island", Monterey Bay, California
    February 17, 2007

Spanish shawl, Flabellina iodinea
Close-up of a spanish shawl (Flabellina iodinea).

    "Tanker Reef", Monterey Bay, California
    April 2, 2006

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