''Alcyonidium hirsutum'' is a species of
bryozoans found in shallow waters of low or fluctuating
salinity
Salinity () is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is usually measured in g/L or g/kg (grams of salt per liter/kilogram of water; the latter is dimensionless and equal ...
, such as
lagoons and
estuaries. It is recognized by its surface with small
papillae
Papilla (Latin, 'nipple') or papillae may refer to:
In animals
* Papilla (fish anatomy), in the mouth of fish
* Basilar papilla, a sensory organ of lizards, amphibians and fish
* Dental papilla, in a developing tooth
* Dermal papillae, part of ...
; when out of the water, it has a matt rather than shiny appearance.
See also
*
Dogger Bank itch
Dogger Bank itch is a cutaneous condition characterized by a long-lasting dermatitis caused by exposure to the sea chervil, ''Alcyonidium diaphanum'', a bryozoan. The disease, common in fishermen who work in the North Sea, has been recognized by ...
References
Ctenostomatida
Animals described in 1828
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