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Non-fish Identification: Find Species

Family: Polycystididae (See list of species below)

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



7 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
No picture found

Acrorhynchides caledonicus
[]
No picture found

Acrorhynchides canaliculatus
[]
No picture found

Acrorhynchides robustus
[]
No picture found

Graffiellus croceus
[]
No picture found

Graffiellus groenlandicus
[]
No picture found

Phonorhynchus helgolandicus
[]
No picture found

Porrocystis assimilis
[]
7 Species of Family Polycystididae
()
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Acrorhynchides caledonicus Northeast Atlantic and th
Acrorhynchides canaliculatus Northeast Atlantic
Acrorhynchides robustus Northeast Atlantic and th
Graffiellus croceus Northeast and the Arctic
Graffiellus groenlandicus Northeast Atlantic and th
Phonorhynchus helgolandicus Northeast Atlantic and th
Porrocystis assimilis Northeast Atlantic and th



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
Search SeaLifeBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the ecosystem.