Podocoryna loyola, n. sp. (Hydrozoa, Hydractiniidae): a probably introduced species on artificial substrate from southern Brazil

Autor:	Ariane Lima Bettim, Maria Pia Miglietta, Maria Angélica Haddad
Rok vydání:	2014
Předmět:	biology Ecology Stolon Zoology Aquatic animal Introduced species biology.organism_classification Hydractiniidae Podocoryna loyola Podocoryna Animal Science and Zoology Taxonomy (biology) Ecology Evolution Behavior and Systematics Hydrozoa
Zdroj:	Zootaxa. 3796:494
ISSN:	1175-5334 1175-5326
DOI:	10.11646/zootaxa.3796.3.5
Popis:	Podocoryna loyola, a new hydractiniid species, has been found on artificial substrates in Baia de Paranagua, southern coast of Brazil, since April 2007. Its main morphological characteristics are: (1) polymorphic colonies with reticular stolons or encrusting hydrorhiza not covered by periderm and smooth chitinous spines; (2) newly-released medusae with eight tentacles and small interradial gonads; (3) mature medusae with eight tentacles and unbranched oral lips; gastric peduncle absent. Molecular data show that P. loyola is distinct from all other examined species of Podocoryna, and from P. hayamaensis Hirohito (1988), its sister species from Japan. As the polyps having been noted only quite recently, and in having been found only on man-made objects in port areas and estuaries, the species is most likely exotic to the region.
Databáze:	OpenAIRE
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