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Synbranchus marmoratus  Bloch, 1795

Marbled swamp eel
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Native range | All suitable habitat
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Synbranchus marmoratus   AquaMaps   Data sources: GBIF OBIS
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Image of Synbranchus marmoratus (Marbled swamp eel)
Synbranchus marmoratus
Picture by Holm, E.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

Environnement / Climat / Gamme Écologie

; eau douce; saumâtre démersal; potamodrome (Ref. 51243).   Subtropical; 22°C - 34°C (Ref. 36880), preferred ?

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Central and South America: Mexico to northern Argentina.

Taille / Poids / Âge

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

Description synthétique Morphologie | Morphométrie

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

Biologie     Glossaire (ex. 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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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.

Référence principale Upload your references | Références | Coordinateur : Fávorito, Sandra | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

  Non évalué 

CITES (Ref. 94142)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: commercial; Aquarium: Aquariums publics
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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