United States (contiguous states) country information

Common names: Redlips Darter
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Found only in the large tributaries of the Cumberland River below Cumberland Falls. The mainstem and large tributaries of the Big South Fork and Rockcastle rivers are home to the largest populations. The Buck Creek population was considered extirpated by Shepard & Burr (1984), but several specimens have been collected in recent years, suggesting the species has made a comeback in the stream. The Red and Stones river populations of the E. cinereum complex were considered extirpated by Shepard and Burr (1984) and despite sampling in these drainages for this and other projects by the authors and many other researchers, we have no evidence to contradict this assertion. The status of populations in the Obey and Roaring rivers was considered unknown by Shepard & Burr (1984) due to absence of the species from collections in these drainages since the early 1970s. Sampling in these rivers for this and other studies by the authors and other researchers has not yielded specimens, suggesting these populations are extirpated. However, given the recent rediscovery of E. cinereum in the Elk River after a 30-year absence, it is possible that these populations may persist in low numbers in what appears to be suitable habitat for the species (Ref. 89958).
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Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Powers, S.L., B.R. Kuhajda and S.E. Ahlbrand, 2012
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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); maydeni: The name maydeni is in honor of Dr. Richard L. Mayden, a prominent ichthyologist, mentor and friend of the authors. His studies of North American fishes include ecology, biogeography, conservation, and systematics. The common name "Redlips Darter" refers to the conspicuous red pigment on the surface of the flesh surrounding the premaxilla and mandible often referred to as lips (Ref. 89958).

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser demersal, usually 0 - 1 m (Ref. 89958). Subtropical; 37°N - 36°N, 84°W - 85°W

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North America: restricted to large tributaries of the Cumberland River below Cumberland Falls, USA.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 8.0 cm SL Männchen/unbestimmt; (Ref. 89958)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

The Etheostoma cinereum complex is diagnosed from all other darters by having the combination of an elongated, pointy snout, rust to faint red spots in 4 horizontal rows dorsolaterally on the side of the body, dark brown to black oval to rectangular lateral blotches expanding to faint diagonal bands on the side of the body, red pigment on interradial membranes of the soft dorsal fin, and a distal red band of pigment in the spinous dorsal fin. For further diagnoses of this complex (a.k.a. subgenus Allohistium), see Bailey & Gosline (1955) and Page (1981). Etheostoma maydeni is distinguished from E. cinereum by a conspicuous red pigment on the external surface of the lips. Etheostoma maydeni also has modally 11 dorsal spines, 12 dorsal rays, and 23 caudal peduncle scales, whereas E. cinereum has modally 12 dorsal spines, 13 dorsal rays, and 25 caudal peduncle scales. Shepard & Burr (1984) also reported modally 41 vertebrae in populations described herein as E. maydeni and with populations of E. cinereum having modally 42 or 43 vertebrae (Ref. 89958).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Powers, S.L., B.R. Kuhajda and S.E. Ahlbrand, 2012. Systematics of the Etheostoma cinereum (Teleostei: Percidae) species complex (subgenus Allohistium). Zootaxa 3277:43-55. (Ref. 89958)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±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).

Etheostoma maydeni Powers & Kuhajda, 2012