Sealife guideThe Sea squirts classThe taxonomy of marine species

Explore the taxonomy of tunicates and especially the sea squirts !
Bluestriped light bulb tunicate (Clavelina dellavallei)
Bluestriped light bulb tunicate
(Clavelina dellavallei)
Light bulb sea squirt (Clavelina lepadiformis)
Light bulb sea squirt
(Clavelina lepadiformis)
Painted tunicate (Clavelina picta)
Painted tunicate
(Clavelina picta)
Blue tunicate (Rhopalaea fusca)
Blue tunicate
(Rhopalaea fusca)
Tall urn ascidian (Didemnum molle)
Tall urn ascidian
(Didemnum molle)
Glassy tunicate (Ascidia paratropa)
Glassy tunicate
(Ascidia paratropa)
Red sea-squirt (Halocynthia papillosa)
Red sea-squirt
(Halocynthia papillosa)
Ink spot sea squirt (Polycarpa aurata)
Ink spot sea squirt
(Polycarpa aurata)

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The queen triggerfish
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The bump-head sunfish
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Learn about the bump-head sunfish (Mola alexandrini), the world's heaviest bony fish, its habitat in tropical and temperate oceans, diet of jellyfish, deep-water behavior and record size over 6,000 lbs.
The chocolate chip sea cucumber
Wednesday, September 3rd 2025
The chocolate chip sea cucumber
The chocolate chip sea cucumber has a massive cylindrical body that is beige in color, covered with a set of dark brown pustules resembling chocolate chips that protrude slightly from the surface, giving it a resemblance to a cookie, hence its french name. It can reach a length of about 12 inches when fully grown.
Photo of the Day
Serran écriture (Serranus scriba)
Serran écriture
(Serranus scriba)