| Family: |
Pennariidae () |
| Max. size: |
30 cm H (male/unsexed) |
| Environment: |
sessile; brackish; marine; depth range 0 - 29 m |
| Distribution: |
Indo-Pacific, Atlantic Ocean, Caribbean and the Mediterranean. Tropical and subtropical. |
| Diagnosis: |
Large colonies, as tall as 30 cm, with dark brown to black perisac. Polyp is white with a reddish tinge and has a circle of 10 to 18 filiform tentacles at the base and up to 12 capitate tentacles on the upper part of hydranth. |
| Biology: |
Height is based on colonies (Ref. 3248). Maximum depth from Ref. 116013. Distributed world-wide in warm seas (Ref. 3248). Known from tidal inlets, exposed areas of bays, including any ledges at their entrance, sounds, caves, shallow reefs, shallow coastal benthic habitats (< 25 m) (Ref. 86643), and on mangrove roots (Ref. 121478). Also found in Carrie Bow Cay, Belize, in patch reefs, high and low spur and groove zones, sand trough, outer ridge and fore-reef slopes on substrates composed of dead corals and gorgonians at depths of 2 to 18 m. As with other hydroids, this species exhibits a pelagic medusoid stage (Ref. 87156). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. 123251)
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| Threat to humans: |
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| Country info: |
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