Klassifizierung / Names
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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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser 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).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 6.6 cm TL Männchen/unbestimmt; (Ref. 10294)
Adults inhabit clear to turbid vegetated lakes, swamps, oxbows, sluggish streams of all sizes (Ref. 86798). They feed on insect larvae, filamentous algae and microcrustacea (Ref. 10294). Spawning occurs underneath flat rocks, in cavities; nest spawner (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00266 - 0.01086), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 2.9 ±0.35 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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