How to Identify Pyuridae

Pyuridae is a animal family in the Animalia kingdom, order Stolidobranchia, class Ascidiacea. The family contains 17 accepted species worldwide.

Key Identification Features

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Representative Pyuridae Species

How to identify Pyura haustor (Stimpson, 1864)

Pyura haustor (Stimpson, 1864)

Pyura haustor (Stimpson, 1864)

Pyura haustor is a globular sea squirt native to the northeastern Pacific, found…

How to identify Halocynthia papillosa (Linnaeus, 1767)

Halocynthia papillosa (Linnaeus, 1767)

Halocynthia papillosa (Linnaeus, 1767)

Halocynthia papillosa is a bumpy, sac-shaped tunicate found across multiple ocea…

How to identify Pyura spinifera (Quoy & Gaimard, 1834)

Pyura spinifera (Quoy & Gaimard, 1834)

Pyura spinifera (Quoy & Gaimard, 1834)

Pyura spinifera, the sea tulip, is a colorful sessile filter-feeding ascidian fo…

How to identify Herdmania grandis (Heller, 1878)

Herdmania grandis (Heller, 1878)

Herdmania grandis (Heller, 1878)

Herdmania grandis is a sea squirt species in the family Pyuridae, first describe…

How to identify Pyura pachydermatina (Herdman, 1881)

Pyura pachydermatina (Herdman, 1881)

Pyura pachydermatina (Herdman, 1881)

Pyura pachydermatina is a large, club-shaped tunicate native to the shallow cool…

How to identify Herdmania momus (Savigny, 1816)

Herdmania momus (Savigny, 1816)

Herdmania momus (Savigny, 1816)

Herdmania momus, the red-throated ascidian, is a common sessile filter-feeding s…

How to identify Pyura gibbosa (Heller, 1878)

Pyura gibbosa (Heller, 1878)

Pyura gibbosa (Heller, 1878)

Pyura gibbosa is a sessile subtropical Australian sea squirt in the family Pyuri…

How to identify Pyura chilensis Molina, 1782

Pyura chilensis Molina, 1782

Pyura chilensis Molina, 1782

Pyura chilensis is a vanadium-accumulating tunicate found off the coasts of Chil…

How to identify Pyura praeputialis (Heller, 1878)

Pyura praeputialis (Heller, 1878)

Pyura praeputialis (Heller, 1878)

Pyura praeputialis, the cunjevoi tunicate, is native to Australian coasts and a …

How to identify Halocynthia aurantium (Pallas, 1787)

Halocynthia aurantium (Pallas, 1787)

Halocynthia aurantium (Pallas, 1787)

Halocynthia aurantium, the sea peach, is a northern Pacific tunicate species pre…

How to identify Pyura stolonifera (Heller, 1878)

Pyura stolonifera (Heller, 1878)

Pyura stolonifera (Heller, 1878)

Pyura stolonifera is a large solitary ascidian found in temperate southern Afric…

How to identify Halocynthia igaboja Oka, 1906

Halocynthia igaboja Oka, 1906

Halocynthia igaboja Oka, 1906

Halocynthia igaboja (the sea hedgehog) is a large spiny solitary tunicate found …

Browse all 17 Pyuridae species →

Frequently Asked Questions

How do you identify Pyuridae?

Pyuridae animals belong to the Stolidobranchia order in the Animalia kingdom. The sea peach typically has a barrel shape, and can grow up to 18 centimetres in height. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Pyuridae?

Pyuridae is classified in the order Stolidobranchia, class Ascidiacea, phylum Chordata. It has a roughly globular body with a leathery outer body wall called a tunic, and two distinct siphons.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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