#urochordata
Spirals of electric blue pigment, created by granules suspended within the
translucent bodies of these colonial tunicates, create the underwater
equivalent of a sparkly light show, brightening up the reef on which
they live. (Photograph: Rob Darmanin)
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The gaping mouth-like orifice of a tunicate can provide temporary shelter
for other marine animals such as small fish. This little guy is in no
danger of becoming dinner, as the tunicate’s feeding filters couldn’t
absorb a meal of this size. (Photograph: Richard Smith)
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