Species: Novumbra hubbsi
Olympic Mudminnow
Species
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Encyclopedia of Puget Sound
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This article was originally published by the Washington Department of Fish and Wildlife as part of its annual report Threatened and Endangered Wildlife in Washington.
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Actinopterygii
Order
Esociformes
Family
Umbridae
Genus
Novumbra
NatureServe
Classification
Informal Taxonomy
Animals, Vertebrates - Fishes - Bony Fishes - Other Bony Fishes
Formal Taxonomy
Animalia - Craniata - Actinopterygii - Esociformes - Umbridae - Novumbra - This fish formerly was included in the family Umbridae. Phylogenetic relationships of esocoid fishes based on cytochrome b and mtDNA data indicate that DALLIA and NOVUMBRA should be assigned to the family Esocidae (Lopez et al. 2000).
Ecology and Life History
Short General Description
A small fish (mudminnow).
Habitat Type Description
Freshwater
Migration
false - true - false
Non-migrant
false
Locally Migrant
true
Food Comments
Eats ostracods, isopods, oligochaetes, mysids, molluscs, and dipterans (Lee et al. 1980). Feeds only on live moving prey.
Reproduction Comments
Most spawning occurs in spring (early March to mid-June). Eggs are unattended. Incubations lasts nearly two weeks at 10 C (Kendall and Mearns 1996). Fry remain at hatching site for about 7 days before dispersing (Wydoski and Whitney 1979).
Ecology Comments
Males are territorial; average size of territory = 1.7 by 3.4" (Wydoski and Whitney 1979).
Length
7
Conservation Status
NatureServe Global Status Rank
G3
Global Status Last Reviewed
1997-05-15
Global Status Last Changed
1996-09-13
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?US.WA=S2" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
E - 5000-20,000 square km (about 2000-8000 square miles) - E - Range is confined to coastal lowland wetlands of the Olympic Peninsula and nearby areas of Washington, west and south of the Olympic Mountains, from Lake Ozette to Grays Harbor and up the Chehalis River drainage (eastward to the Skookumchuck River); also found on the east side of Puget Sound in Cherry Creek and Peoples Creek drainages, where the species likely was introduced (Lee et al. 1980, Wydoski and Whitney 2003, Page and Burr 2011).
Global Range Code
E
Global Range Description
5000-20,000 square km (about 2000-8000 square miles)