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Non-fish Identification: Find Species

Family: Ascidiidae (See list of species below)

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Total number of spines in dorsal and anal fins (optional)



16 species in Indian Ocean, Western with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
No picture found

Ascidia arenosa
[]


Ascidia challengeri
[]
No picture found

Ascidia fictile
[]
No picture found

Ascidia incrassata
[Red spotted ascidian]
No picture found

Ascidia julinea
[]
No picture found

Ascidia nigra
[]
No picture found

Ascidia obocki
[]
No picture found

Ascidia polytrema
[]
No picture found

Ascidia pygmaea
[]
No picture found

Ascidia retrosipho
[]
No picture found

Ascidia somalensis
[]
No picture found

Ascidia sydneiensis
[Yellow-green sea squirt]
No picture found

Ascidia urnalia
[]
No picture found

Phallusia arabica
[]


Phallusia julinea
[]


Phallusia nigra
[Black sea squirt]
16 Species of Family Ascidiidae
()
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Ascidia arenosa Western Indian Ocean
Ascidia challengeri Southeast Atlantic, Indo-
Ascidia fictile Western Indian Ocean
Ascidia incrassata Red spotted ascidian Southeast Atlantic, Weste
Ascidia julinea Western Indian Ocean
Ascidia nigra Atlantic Ocean and Wester 25 TL
Ascidia obocki Western Indian Ocean
Ascidia polytrema Indo-West Pacific.
Ascidia pygmaea Western Indian Ocean
Ascidia retrosipho Western Indian Ocean
Ascidia somalensis Western Indian Ocean
Ascidia sydneiensis Yellow-green sea squirt Indo-Pacific and Atlantic 30 TL
Ascidia urnalia Indian Ocean
Phallusia arabica Indo-West Pacific and Nor
Phallusia julinea Indo-West Pacific. 6.8 TL
Phallusia nigra Black sea squirt Cosmopolitan. 15 TL



Other identification tools in SeaLifeBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
          If you already know the Family, go to Search SeaLifeBase, select Family and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the family.

          If you already know the Country, go to
Search SeaLifeBase, select Country and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the country.

          If you already know the Ecosystem, go to
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