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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Opsopoeodus: Greek, ops, = face, appearance + Greek, pous = foot + Greek, odous = teeth; emiliae: opsopoeodus, teeth for dainty feeding (Greek); and emiliae, named after Mrs. Emily Hay (wife of the author of the species, Dr. O. P. Hay) (Ref. 10294).
Eponymy: Mrs Mary Emily ‘Mollie’ Hay née Howsman (1849–1931) was the author’s wife. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
; agua dulce demersal. Subtropical; 45°N - 27°N
North America: Edisto River drainage in South Carolina to southern Florida and across Gulf Slope to Nueces River drainage in Texas, USA; north in Mississippi River and Great Lakes basins to southeastern Kansas, southeastern Minnesota, USA, and southern Ontario, Canada. The subspecies were previously recognized: Opsopoeodus emiliae peninsularis in peninsular Florida and Opsopoeodus emiliae emiliae in rest of range except where intergrades occur (southern Georgia and northeastern Florida west to Ochlockonee River).
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 6.6 cm TL macho / no sexado; (Ref. 10294)
Inhabits clear to turbid vegetated lakes, swamps, oxbows, sluggish streams of all sizes (Ref. 86798). Feeds on insect larvae, filamentous algae and microcrustacea (Ref. 10294). Spawning occurs underneath flat rocks, in cavities; nest spawner (Ref. 79012).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00242 - 0.01036), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 2.9 ±0.35 se; based on food items.
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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