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Synbranchus marmoratus  Bloch, 1795

Marbled swamp eel
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Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Synbranchus marmoratus   AquaMaps   Data sources: GBIF OBIS
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Image of Synbranchus marmoratus (Marbled swamp eel)
Synbranchus marmoratus
Picture by Holm, E.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Synbranchiformes (Spiny eels) > Synbranchidae (Swamp-eels)
Etymology: Synbranchus: Greek, syn, symphysis = grown together + Greek, brangchia = gill (Ref. 45335).   More on author: Bloch.

Lebensraum / Klimazone / Range Ökologie

; süßwasser; brackwasser demersal; potamodrom (Ref. 51243).   Subtropical; 22°C - 34°C (Ref. 36880), preferred ?

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

Central and South America: Mexico to northern Argentina.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 150 cm TL Männchen/unbestimmt; (Ref. 79717); common length : 50.0 cm TL Männchen/unbestimmt; (Ref. 35237)

Kurzbeschreibung Morphologie | Morphometrie

Body cylindrical and long; eyes small; dorsal and anal fins vestigial (Ref. 26543).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Anguilliform, has no pectoral and ventral fins; its dorsal and anal fins are vestigial (Ref. 27188). Adults inhabit streams, ponds, canals, drains, rice fields, both clear and turbid water (Ref. 11225). Nocturnal (Ref. 11225). Carnivore (Ref. 26543). The male guards and builds nest or burrow (Ref. 205). A protogynous hermaphrodite (Ref. 55367). Its being a facultative air-breather (Ref. 1468) explains, at least in part, why it is often missing from faunal inventories. At the start of the dry season when there's a decline in water level, it digs a tubular burrow in a bank or on the bottom. This burrow, which is for the most part sub-horizontal , can have several diverticula, followed by a vertical section which leads to the exterior by only one opening. Although breathing is slowed down, the fish remains active and flees if it is disturbed (Ref. 27188).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

A diandric species having both primary and secondary male developmental pathways. Length at sex change = 34.0 cm TL (Ref. 55367). Also Ref. 35344, 103751.

Hauptreferenz Upload your references | Referenzen | Koordinator : Fávorito, Sandra | Partner

Kullander, S.O., 2003. Family Synbranchidae (Swamp-eels). p. 594-595. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 79717)

IUCN Rote Liste Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

Fischereien: kommerziell; Aquarium: Öffentliche Aquarien
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