Synbranchus marmoratus Bloch, 1795

Marbled swamp eel

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Synbranchiformes \| Synbranchidae
Synonyms	Falconeria aptera, Falconeria pinnata, Symbranchus doringii, ... more
Common names	Swamp eel, Mottled swamp eel, Culebra, ... more

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Image of Synbranchus marmoratus (Marbled swamp eel)

Picture by Galvis, G./Mojica, J.I./Camargo, M.

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Main reference

Kullander, S.O. 2003. (Ref. 79717)
Other references | Biblio | Coordinator : Fávorito, Sandra | Collaborators

Size / Weight / Age

Max length : 150 cm TL male/unsexed; (Ref. 79717); common length : 50.0 cm TL male/unsexed; (Ref. 35237)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; brackish

Climate / Range

Subtropical; 22°C - 34°C (Ref. 36880)

Central and South America: Mexico to northern Argentina.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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

Anguilliform, has no pectoral and ventral fins; its dorsal and anal fins are vestigial (Ref. 27188). Inhabits streams, ponds, canals, drains, rice fields, both clear and turbid water (Ref. 11225). Nocturnal (Ref. 11225). Carnivore (Ref. 26543). 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).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial; aquarium: public aquariums


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (74 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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