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| Mountain Brook lamprey | ||||||||||||||
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| Ichthyomyzon greeleyi Hubbs and Trautman, 1937 |
Ichthyomyzon greeleyi or the Mountain Brook Lamprey is a lamprey found in parts of the Mississippi river basin, New York, Pennsylvania, Ohio, and in the Cumberland River and Tennessee river.
Identification
The dorsal fin is notched but not separated the disk, when expanded is always narrower than the head. Life colors include gray-brown or an olive-tan with a white or off-white underside and yellow fins. the sides can be olive or tan with dark flecks.
Spawning
Spawning starts when the water is 18.9 °C (42.5 °F). The males create nest in a foot or so of water by clearing stones and pebbles out of the way and exposing fine gravel or sand. The depression formed in shallow, about 2 inches deep with a diameter of 8 to 10 inches. spawning begins when a female attaches herself to to a rock over the nest. These lamprey die after spawning.
References
- IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 28 September 2007.
