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> Centrarchiformes (Basses) > Elassomatidae (Pygmy sunfishes)
Etymology: Elassoma: Greek, elasson = smaller + Greek, soma = body (Ref. 45335).

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

; süßwasser benthopelagisch. Subtropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

North America: endemic to Moss Spring and (historically) adjacent springs in the middle Tennessee River drainage in Alabama, U.S.A.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 1 - 3; Rückenflossenweichstrahlen (insgesamt) : 8 - 13; Afterflossenstacheln: 1 - 3; Afterflossenweichstrahlen: 5 - 8. Transverse scale rows: 10-13. Distinguished from all other family members by having 3 or less dorsal spines (versus 7 or more), 6-7 broad dark bars along flanks (versus 7 or more), 16-18 peduncle scale rows (versus 18-24).

Found on sand, clay, mud and/or limestone substrate commonly associated with rooted, submerged vegetation (Ref. 58011). Oviparous, eggs are deposited in aquatic vegetation, preferably on strands of Ceratophyllum sp. when available (Ref. 58020).

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

Eggs are deposited in aquatic vegetation, preferably on strands of Ceratophyllum sp. when available (Ref. 58020).

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Gilbert, C.R., 2004. Family Elassomatidae Jordan 1877. Pygmy sunfishes. Calif. Acad. Sci. Annotated Checklists of Fishes (33):5. (Ref. 51664)

IUCN Rote Liste Status (Ref. 130435)

vom Aussterben bedroht (CR) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 28 November 2011

CITES

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 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (tmax=1; Fec=65).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Elassoma alabamae Mayden, 1993