Fish Identification

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Non-fish Identification: Find Species

Family: Eucalanidae (See list of species below)

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

20 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)

No picture found Eucalanus bungii []	No picture found Eucalanus californicus []	No picture found Eucalanus crassus []
No picture found Eucalanus elongatus []	No picture found Eucalanus hyalinus []	No picture found Eucalanus inermis []
No picture found Eucalanus pseudattenuatus []	No picture found Eucalanus subcrassus []	No picture found Eucalanus subtenuis []
No picture found Pareucalanus attenuatus []	No picture found Pareucalanus langae []	No picture found Pareucalanus sewelli []
No picture found Pareuchaeta russelli []	No picture found Subeucalanus crassus []	No picture found Subeucalanus longiceps []
No picture found Subeucalanus monachus []	No picture found Subeucalanus mucronatus []	No picture found Subeucalanus pileatus []
No picture found Subeucalanus subcrassus []	No picture found Subeucalanus subtenuis []

20 Species of Family Eucalanidae
()

Sort by: Species Length

Scientific Name	English Name	Distribution	Max. Length (cm)
Eucalanus bungii		Northeast Pacific and the
Eucalanus californicus		Northeast Pacific
Eucalanus crassus		Northwest Pacific
Eucalanus elongatus		Western Pacific.
Eucalanus hyalinus		Circumglobal. Tropical t
Eucalanus inermis		Southeast Pacific
Eucalanus pseudattenuatus		Northwest Pacific
Eucalanus subcrassus		Indo-West Pacific.
Eucalanus subtenuis		Northwest Pacific
Pareucalanus attenuatus		Northwest Pacific, Wester
Pareucalanus langae		Circumglobal.
Pareucalanus sewelli		Circumglobal. Tropical a
Pareuchaeta russelli		Northwest Pacific
Subeucalanus crassus		Indo-West Pacific
Subeucalanus longiceps		Antarctic Atlantic
Subeucalanus monachus		Atlantic and Indian Ocean
Subeucalanus mucronatus		Indo-West Pacific.
Subeucalanus pileatus		Indo-West Pacific
Subeucalanus subcrassus		Indo-West Pacific
Subeucalanus subtenuis		Indo-West Pacific

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.