First Records of Umbra limi (Central Mudminnow) in Maine

Autor:	David B. Halliwell, Amy M. Gullo, Emily G. Schilling, Judy K. Markowsky
Rok vydání:	2006
Předmět:	geography Umbridae geography.geographical_feature_category biology Ecology biology.animal Fish STREAMS Central mudminnow Minnow biology.organism_classification Bog Ecology Evolution Behavior and Systematics
Zdroj:	Northeastern Naturalist. 13:287-290
ISSN:	1938-5307 1092-6194
DOI:	10.1656/1092-6194(2006)13[287:froulc]2.0.co;2
Popis:	We note the first records of non-native Umbra limi (Umbridae; central mudminnow) in Maine. Unrecognized fish were captured in minnow traps set in Caribou Bog, in the town of Orono, during the summer of 1999. Preliminary identifi- cation by gross anatomy, coloration, and markings indicated that the fish were central mudminnow. We later confirmed this field identification using standard measurements and counts; specimens were vouchered (CU82322). Streams within Caribou Bog were resampled for central mudminnow during the summers of 2000 and 2002. Several size classes were captured, indicating the presence of viable populations. A single central mudminnow was also collected from the St. John River in northern Maine during the summer of 2005. Further sampling is warranted to determine the actual extent of central mudminnow distribution in Maine.
Databáze:	OpenAIRE
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