Klassifizierung / Names
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Perciformes/Percoidei (Perchs) >
Percidae (Perches) > Etheostomatinae
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); swaini: Named after an active ichthyologist in the late 1800s, J. S. Swain (Ref. 10294).
Eponymy: Joseph Swain (1857–1927) was Professor of Mathematics and Biology at Indiana University (1883–1891) and a student of the author, David Starr Jordan, whom he followed (1891) to Stanford University and taught there as a professor of mathematics. (Ref. 128868), visit book page.
More on author: Jordan.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser benthopelagisch. Subtropical; 36°N - 29°N
North America: Gulf drainages from Ochlockonee River in Georgia and Florida to Mississippi River in Louisiana, and north on Former Mississippi Embayment (east of Mississippi River only) to Kentucky in the USA; in Bear Creek in northwestern Alabama and northeastern Mississippi, USA.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 7.8 cm TL Männchen/unbestimmt; (Ref. 5723); common length : 5.3 cm TL Männchen/unbestimmt; (Ref. 12193)
Occurs in shallow rocky riffles, current-swept vegetation in headwaters, creeks and small to medium rivers (Ref. 5723); also found in streams (Ref. 10294). Feeds on midge larvae, with isopods and immature blackflies, mayflies, hydroptilid and hydropsychid caddisflies, and dragonflies (Ref. 10294).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Rote Liste Status (Ref. 130435: Version 2024-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00301 - 0.01516), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
