Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Spirulidae ram's horn squid (See list of species below)

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



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


Spirula spirula
[Ram's horn squid]
1 Species of Family Spirulidae
(ram's horn squid)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Spirula spirula Ram's horn squid Circumglobal in tropical 4.5 ML



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.