Fish Identification

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Fish Identification

Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Tetrastemmatidae (See list of species below)

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

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

No picture found Antarctonemertes validum []	No picture found Arenonemertes minutus []	No picture found Cyanophthalma obscura []
No picture found Prostoma graecense []	No picture found Tetrastemma aberrans []	No picture found Tetrastemma bicolor []
No picture found Tetrastemma caecum []	No picture found Tetrastemma candidum []	No picture found Tetrastemma coronatum []
No picture found Tetrastemma fozensis []	No picture found Tetrastemma helvolum []	No picture found Tetrastemma herthae []
No picture found Tetrastemma longistriatum []	No picture found Tetrastemma melanocephalum []	No picture found Tetrastemma nigrifrons [White-lined ribbon worm]
No picture found Tetrastemma olgarum []	No picture found Tetrastemma phaeobasisae []	No picture found Tetrastemma pimaculatum []
No picture found Tetrastemma pinnatum []	No picture found Tetrastemma pseudocoronatum []	No picture found Tetrastemma robertianae []
No picture found Tetrastemma stigmatum []	No picture found Tetrastemma stimpsoni []	No picture found Tetrastemma unilineatum []
No picture found Tetrastemma verinigrum []	No picture found Tetrastemma vermiculus []	No picture found Tetrastemma worki []
No picture found Tetrastemma yamaokai []

28 Species of Family Tetrastemmatidae
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Sort by: Species Length

Scientific Name	English Name	Distribution	Max. Length (cm)
Antarctonemertes validum		Antarctic Atlantic
Arenonemertes minutus		Northeast Atlantic
Cyanophthalma obscura		Northeast Atlantic
Prostoma graecense		Northwest Pacific and Nor	0.25 TL
Tetrastemma aberrans		Northeast Pacific.
Tetrastemma bicolor		Arctic Sea and the Pacifi	6 TL
Tetrastemma caecum		Northeast Pacific	1 TL
Tetrastemma candidum		Arctic, Atlantic Ocean, P
Tetrastemma coronatum		Northwest Pacific and the
Tetrastemma fozensis		Northeast Atlantic
Tetrastemma helvolum		Northeast Atlantic
Tetrastemma herthae		Western Atlantic	2 TL
Tetrastemma longistriatum		Antarctic Atlantic
Tetrastemma melanocephalum		Northeast Atlantic and Me
Tetrastemma nigrifrons	White-lined ribbon worm	Northern Pacific and Nort
Tetrastemma olgarum		Northwest Pacific.	7 BL
Tetrastemma phaeobasisae		Northwest Pacific
Tetrastemma pimaculatum		Northwest Pacific
Tetrastemma pinnatum		Northwest Pacific
Tetrastemma pseudocoronatum		Northwest Pacific
Tetrastemma robertianae		Northeast Atlantic
Tetrastemma stigmatum		Northwest Pacific
Tetrastemma stimpsoni		Northwest Pacific
Tetrastemma unilineatum		Antarctic Indian Ocean
Tetrastemma verinigrum		Northwest Pacific	1 TL
Tetrastemma vermiculus		Northeast Atlantic
Tetrastemma worki		Western Central Atlantic
Tetrastemma yamaokai		Northwest 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.

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