Pennaria disticha   Goldfuss, 1820

feather hydroid
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Image of Pennaria disticha (feather hydroid)
Pennaria disticha
Picture by O'Keefe, Jo
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Pennaria disticha  AquaMaps  Data sources: GBIF OBIS

Italy country information

Common names:
Occurence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Known from Naples.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/it.html
National Fisheries Authority:
Occurences: Occurence Point map
Main Ref: Kramp, P.L., 1961
National Database:

Common names from other countries

Feather hydroid, ... more

Main reference

Size / Weight / Age

Max length : 30.0 cm H male/unsexed; (Ref. 3248)

Environment: milieu / climate zone / depth range / distribution range

Sessile; brackish; depth range 0 - 29 m (Ref. 86643)

Climate / Range

Tropical

Distribution

Indo-Pacific, Atlantic Ocean, Caribbean and the Mediterranean. Tropical and subtropical.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
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     Glossary (e.g. epibenthic)

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 medusiod stage (Ref. 87156). Species exhibits both asexual and sexual reproduction by budding during hydroid stage and release of gametes in medusae stages (Ref. 1663, p. 15, 18). Period of reproductive maturity recorded for Carrie Bow Cay, Belize is from 17th April to 21st June, during which the samples collected had gonophores or medusa buds (Ref. 87156).

IUCN Red List Status (Ref. 120744)

  Not Evaluated 

Threat to humans

Human uses


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Internet sources

Estimates of some properties based on models

Resilience (Ref. 69278)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
Low vulnerability (20 of 100)