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A hydroid

Sponge & Cnidarian

A hydroid

Symplectoscyphus tricuspidatus (Alder, 1856)

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WoRMS AphialID

117929

Barcode BIN

BOLD:ACO3399 https://bench.boldsystems.org/index.php/Public_BarcodeCluster?clusteruri=BOLD:ACO3399; BOLD:AHI1678 https://bench.boldsystems.org/index.php/Public_BarcodeCluster?clusteruri=BOLD:AHI1678

Sample IDs

HMSC174_03217 https://bench.boldsystems.org/index.php/MAS_DataRetrieval_OpenSpecimen?selectedrecordid=ATCCN139-25; HMSC174_01970 https://bench.boldsystems.org/index.php/MAS_DataRetrieval_OpenSpecimen?selectedrecordid=ATCCN145-25

Collected

The Wolves, Bay of Fundy, Labrador

Distinguishing Features

• Erect, large, tangled colonies up to 10 cm high.
• Stem and branches always monosiphonic.
• Stem zigzags and hydrothecae are born at the bends.
• Hydrothecae smooth, cylindrical, 0.3–0.5 mm deep.
• Hydrothecae operculum 3-valved, margin tricuspid.
• Gonothecae elongate-oval with 7–9 strong transverse folds.

Habitat

Attaches onto stones, shells, and bedrock. Depths of 13–622 m.

Geographic Range

Arctic and both sides of the north Atlantic.

Fun Fact

The genus name comes from the Greek symplectic meaning woven together and the Latin scyphus meaning a cup, goblet, or bowl.

Barcode Distribution

BIN ACO3399 contains records from Norway and Canada. BIN AHI1678 contains just our Labrador specimen.

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