hydroid


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hydroid

[′hī‚drȯid]
(invertebrate zoology)
The polyp form of a hydrozoan cnidarian. Also known as hydroid polyp; hydropolyp.
Any member of the Hydroida.
References in periodicals archive ?
Hydroid colonies were collected during low tide, individually labeled, and preserved in 4% formaldehyde seawater solution.
Additionally, sponge, hydroid, and bryozoan larvae attacked and rejected by fish settled and metamorphosed at rates statistically indistinguishable from unattacked controls [ILLUSTRATION FOR FIGURES 1B, 2B, 6B, AND 7B OMITTED].
Hydroid colonies need to reach a certain size in order to reproduce sexually and produce the larvae that will colonize new areas.
Similarly, scallop spat have been reported to settle on hydroids and bryozoans that are considered important for scallop recruitment (Eggleston 1962, Brand et al.
We collected pycnogonids from hydroids (Family Haleciidae; 1-30 m deep) by scuba-diving in and around Friday Harbor, Washington (48[degrees] 32' N, 123[degrees] 00' W), in June, 2015.
Hydroids and hydromedusae (Cnidaria: Hydrozoa) from the fjords region of southern Chile.
The cover of hydroids, bushy bryozoans, sponges, and tubeworms was generally higher at sites undisturbed by fishing than at sites classified as disturbed.
Norwegian high-tech group Kongsberg Gruppen ASA (OSE: KOG) said on Monday (16 June) that its business area Kongsberg Maritime has completed its acquisition of the US company Hydroid LLC.
These zones were characterized by a mussel-dominated assemblage at [approximately] 3 m; a hydroid and bryozoan dominated assemblage at [approximately] 5 m; a sponge, bryozoan, and ascidian dominated assemblage at [approximately] 10 m; and a deeper assemblage of sponges, bryozoans, brachiopods, and ascidians at [approximately] 18 m depth (Witman and Grange 1998).
Morphogenetic basis for phenotypic differences in hydroid competitive behaviour.
With the exception of three species of algae (Enteromorpha flexuosa, Ceramium nitens, and Wrangelia argus), one hydroid (Dynamena crisioides), and three sponges (Haliclona curacaoensis, Spirastrella sp.