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Moapa White River Springfish (Crenichthys baileyi moapae)
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Moapa White River Springfish (Crenichthys baileyi moapae)

General Description: Moapa White River Springfish (Crenichthys baileyi moapae) grows to 2-3 inches long and can be identified by the dorsal fin set far back (above the anal fin), no pelvic fins, and two horizontal black stripes with an olive back and white belly.

Technical Description: A small (total length: 5-7 cm [2-3 in.]), deep-bodied fish with a large, steeply-sloping head; a small terminal mouth; dorsal and anal fins that are set far back on the body (almost on the tail); and no pelvic fins. The dorsal surface is dark olive to dusky, the sides are silvery with two rows of dark spots (that may form lines), and the ventral surface is yellowish to whitish. The tail is square, rather than forked. During breeding season, males develop bright colors.

Moapa White River Springfish (Crenichthys baileyi moapae)

Taxonomy: Splitfin Family (Goodeidae)

Diet: Primarily herbivorous. Feeds on filamentous algae and small aquatic invertebrates.

Favored Habitat: Spring pools, pools and backwater in spring outflows, and the upper Muddy River. More abundant in and near the springs than in the river.

Moapa White River Springfish (Crenichthys baileyi moapae)

Where to Find: This species occurs throughout the White Water River drainage system in southeastern Nevada, but only in and near warm springs. This subspecies is endemic to Clark County and occurs only in and around five warm-water springs in the upper Muddy River.

Comments: Extremely tolerant of warm water temperatures and low oxygen concentrations.

Moapa White River Springfish (Crenichthys baileyi moapae) Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (Crenichthys baileyi moapae) Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (Crenichthys baileyi moapae) Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (Crenichthys baileyi moapae) Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (© 2013 David J. Syzdek)
Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (© 2013 David J. Syzdek)
Moapa White River Springfish (Crenichthys baileyi moapae) Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (Crenichthys baileyi moapae) Moapa White River Springfish (Crenichthys baileyi moapae)
Moapa White River Springfish (Crenichthys baileyi moapae) more to come ...
Note: All distances, elevations, and other facts are approximate.
copyright; Last updated 111219

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