Helogenes marmoratus. A little bit of history on this species and three others in the Helogenes genera, H. castaneus (from the Rio Meta basin, Colombia) H. Taxonomy Helogenes marmoratus: scientific and common names, classification, synonymy, taxonomic tree. Helogenes marmoratus Günther, AphiaID. (urn:lsid: :taxname). Classification. Biota; Animalia.

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Marmoratys is a catfish that likes the upper levels of the aquarium. The species remained monotypic for a further nearly 80 years until Delsman described a second species, H. If you found this page helpful you can help keep ScotCat running by making a small donation, Thanks. Eyes are small, directed upward and outward.

Dorsal fin small and set well back, anal fin long. Phylogenetic diversity index Ref. The possession of nine principal fin rays in the lower lobe of the caudal fin of Helogenes marmoratus distinguishes it from H.

Atlas des poissons d’eau douce de Guyane. They were all in the previously named Helogenidae family but were incorporated into the Cetopsidae family in and consequently in the sub-family Helogeninae.

Fleshy finlike projection without rays, behind the rayed dorsal fin. Main reference Upload your references References Coordinator: Not available FishBase mirror site: This marmorxtus can be seen in the upper image. Sounds Ciguatera Speed Swim. Collection Patrimoines Naturels 43 II: Lives hidden under plants, litter or plant debris. The paired fins, between the pectorals and helogenea anal fins.


The paired fins just behind the head. When marmooratus think of this family you think right away of the candiru and other parasite catfish which can be nasty but H. Often swims on one side in undulating movements Ref.

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Summary page Point data Common names Photos. The maxillary barbels fit into a groove below the eye. High, minimum population doubling time less than 15 months.

A little bit of history on this species and three mqrmoratus in the Helogenes genera, H. Low vulnerability 10 of Adipose fin is is very small sometimes lacking, dorsal and pectoral fins without spines.

Helogenes marmoratus Günther, – Taxonomy

Feeds mainly on terrestrial insects, particularly ants Ref. Your internet guide to all things catfish.

Checklist of catfishes, recent and fossil Osteichthyes: Collaborators Pictures Stamps, Coins Misc. Native range All suitable habitat. Can easily be mistaken as a piece of dead wood when it rests on its side, and lies motionless on the bottom.

The primary rayed fin s on top of the body. The catfishes of the neotropical Family Helogenidae Ostariophysi: Can easily be mistaken as a piece of dead wood when it rests on its side, motionless on the bottom. Another species was named by Dahl in and naming it Leyvaichthys castaneus.

You can sponsor this page. This variability within the Helogenidae concerning the adipose fin which ranged from the Peruvian populations from relatively small, through very small, to being totally absent and this absence of the fin had been used to distinguish, wholly or maarmoratus part, marmoartus genus Leyvaichthys from Helegenes. The catfishes of the neotropical Family Helogenidae Ostariophysi: A nocturnal species that needs plant cover to rest in during daylight hours.


This later was renamed Helegens castaneus and the main discription was the lack of an adipose fin, hence the new genus name.

Helogenes marmoratus

A typical inhabitant of black or clear waters, usually in forest streams with moderate to swift current flow over firm sand or gravel bottoms Ref. The primary rayed fin s on top of the body Caudal fin: This map was computer-generated hellgenes has not yet been reviewed. Helogenes amazonae, Helogenes unidorsalis. Lives hidden under plants, litter or plant marmorattus. Siluriformesand catalogue of siluriform primary types.

Add your observation in Fish Watcher Native range All suitable habitat This map was computer-generated and has not yet been reviewed.

Helogenes marmoratus

Riehl Aquarien atlas. Entered by Luna, Susan M.

Freshwater; demersal; pH range: Madre de Dios regionPeru. Does not like too much of a water movement in the aquarium.