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''Chaetomorpha'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
green algae The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emerged deep in the Charophyte alga as ...
in the family
Cladophoraceae Cladophoraceae are a family of green algae in the order the Cladophorales.See the NCBIbr>webpage on Cladophoraceae Data extracted from the This family includes notably the genus ''Chaetomorpha ''Chaetomorpha'' is a genus of green algae in t ...
.Guiry, M. D. (2004)
''Chaetomorpha''.
''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017.
Members of this genus may be referred to by the common name sea emerald.


Description

Algae of this genus are made up of macroscopic filaments of cylindrical cells. The genus is characterized by its unbranched filaments, making it distinctive; its closest relatives are branching species of the genus ''
Cladophora ''Cladophora'' is a genus of reticulated filamentous Ulvophyceae (green algae). The genus ''Cladophora'' contains many species that are very hard to tell apart and classify, mainly because of the great variation in their appearances, which is a ...
''.Leliaert, Frederik, et al. (2011)
Atypical development of ''Chaetomorpha antennina'' in culture (Cladophorales, Chlorophyta).
''Phycological Research'' 59.2 91-97.


Species

There are about 50 species. Species include: * '' Chaetomorpha adriani'' * ''
Chaetomorpha aerea ''Chaetomorpha aerea'' is a species of green algae of the family ''Cladophoraceae''. ''Chaetomorpha aerea'' and ''Chaetomorpha linum'' are considered conspecific Biological specificity is the tendency of a characteristic such as a behavior or a ...
'' * '' Chaetomorpha akineta'' * ''
Chaetomorpha antennina ''Chaetomorpha antennina'' is a species of green algae of the family ''Cladophoraceae Cladophoraceae are a family of green algae The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sist ...
'' * '' Chaetomorpha bangioides'' * ''
Chaetomorpha basiretrorsa ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * '' Chaetomorpha billardierii'' * '' Chaetomorpha brachygona'' * '' Chaetomorpha californica'' * '' Chaetomorpha cannabina'' * ''
Chaetomorpha capillaris ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of thi ...
'' * '' Chaetomorpha dubyana'' * '' Chaetomorpha elongata'' * '' Chaetomorpha exposita'' * ''
Chaetomorpha fibrosa ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * ''
Chaetomorpha firma ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * ''
Chaetomorpha geniculata ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * ''
Chaetomorpha gracilis ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * ''
Chaetomorpha henningsii ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * ''
Chaetomorpha herbipolensis ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of th ...
'' * ''
Chaetomorpha intestinalis ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of thi ...
'' * ''
Chaetomorpha irregularis ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of thi ...
'' * ''
Chaetomorpha javanica ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of thi ...
'' * ''
Chaetomorpha kellersii ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of thi ...
'' * ''
Chaetomorpha kerguelensis ''Chaetomorpha'' is a genus of green algae in the family Cladophoraceae.Guiry, M. D. (2004)''Chaetomorpha''.''In:'' Guiry, M. D. & Guiry, G. M. (2017). AlgaeBase. Accessed through: World Register of Marine Species on 9 August 2017. Members of thi ...
'' * '' Chaetomorpha ligustica'' * '' Chaetomorpha linoides'' * ''
Chaetomorpha linum ''Chaetomorpha linum'' is a species of green algae in the family ''Cladophoraceae''. ''Chaetomorpha linum'' and '' Chaetomorpha aerea'' are considered by some authors to be conspecific.Burrows, E.M. 1991. ''Seaweeds of the British Isles Volume ...
'' * '' Chaetomorpha macrotona'' * '' Chaetomorpha mawsonii'' * '' Chaetomorpha mediterranea'' * '' Chaetomorpha melagonium'' * '' Chaetomorpha natalensis'' * '' Chaetomorpha nodosa'' * '' Chaetomorpha obscura'' * '' Chaetomorpha ochlophobians'' * '' Chaetomorpha olneyi'' * '' Chaetomorpha pachynema'' * '' Chaetomorpha pacifica'' * '' Chaetomorpha picquotiana'' * '' Chaetomorpha recurva'' * '' Chaetomorpha restricta'' * '' Chaetomorpha saccata'' * '' Chaetomorpha septentrionalis'' * '' Chaetomorpha tenuissima'' * '' Chaetomorpha tokyoensis'' * '' Chaetomorpha tortuosa'' * '' Chaetomorpha valida'' * '' Chaetomorpha vieillardii'' * '' Chaetomorpha zernovii''


Uses

These algae are popular with
aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...
hobbyists. Dumping of aquarium specimens into waterways has led to the establishment of nonnative ''Chaetomorpha'' populations, which degrades ecosystems when the algae become
invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...
. Biologists recommend boiling, microwaving, freezing, or desiccating aquarium ''Chaetomorpha'' before disposing of it to avoid inadvertent releases.Odom, R. L., et al. (2014)
''Alternatives to release: Efficient methods for disposal of excess or unwanted aquarium macroalgae in the genus Chaetomorpha''.
''Invasive Plant Science and Management'' 7(1) 76-83.


References

{{Taxonbar, from=Q2713320 Cladophorales genera Cladophoraceae Taxa named by Friedrich Traugott Kützing