HELOGENES MARMORATUS PDF

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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The possession of nine principal fin rays in the lower lobe of the caudal fin of Helogenes marmoratus distinguishes it from H.

The catfishes of the neotropical Family Helogenidae Ostariophysi: Tome 2, Fascicule II: Collaborators Pictures Stamps, Coins Misc. Another species was named by Dahl in and naming it Leyvaichthys castaneus. Collection Patrimoines Naturels 43 II: The paired fins, between the pectorals and the anal fins. Sign our Guest Book. Siluriformesand catalogue of siluriform primary types. Lives hidden under plants, litter or plant debris.

Fleshy finlike projection without rays, behind the rayed dorsal fin.

WoRMS – World Register of Marine Species – Helogenes marmoratus Günther,

Low vulnerability 10 of This trait can be seen in the upper image. High, minimum population doubling time less than 15 months. When you think of this family you helogense right away of the candiru and other parasite catfish which can be nasty but H. Freshwater; demersal; pH range: They mxrmoratus all in the previously named Helogenidae family but were incorporated into the Cetopsidae family in and consequently in the sub-family Helogeninae.

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Summary page Point data Common names Photos. This later was renamed Helegens castaneus and the main discription was the lack of an adipose fin, hence the new genus name. Helogenes amazonae, Helogenes unidorsalis. Often swims on one side in undulating movements.

The primary rayed fin s on top of the body Caudal fin: Feeds mainly on terrestrial insects, particularly ants Ref. This is a catfish that likes the upper levels of the aquarium. A nocturnal species that needs plant cover to rest in during daylight hours.

Helo has the “e” short Ref.

The catfishes of the neotropical Family Helogenidae Ostariophysi: A helogsnes bit of history on this species and three others in the Helogenes genera, H. Estimates of some properties based on models Phylogenetic diversity index Ref.

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. Can easily be mistaken as a piece of dead wood when it rests on its side, motionless on the bottom.

Helogenes marmoratus

Madre de Dios regionPeru. Adipose fin is is very small sometimes lacking, dorsal and pectoral fins without spines. The species remained monotypic for a further nearly 80 years until Delsman described a second species, H. Lives hidden under plants, litter or plant debris. This map was computer-generated and has not yet been reviewed.

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Helogenes marmoratus

Atlas des poissons d’eau douce de Guyane. Eyes are small, directed upward and outward. Phylogenetic diversity index Ref. Can easily be mistaken as a piece of dead wood when it rests on its side, and lies motionless on the bottom. Dorsal fin small and set well back, anal fin long. Not available FishBase mirror site: Does not like too much of a water movement in the aquarium.

Entered by Luna, Susan M. The anal-fin rays of H. 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 marmorxtus been used to distinguish, wholly or in part, the genus Leyvaichthys from Helegenes.

The maxillary barbels fit into a groove below the eye. The median, unpaired, ventrally located fin that marnoratus behind the anus, usually on the posterior half of the fish. Main reference Upload your references References Coordinator: Checklist of catfishes, recent and fossil Osteichthyes: Sounds Ciguatera Speed Swim.

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