Catfish sketch

Catfishes are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores (species that eat dead material on the bottom), and even to a tiny parasitic species commonly called the candiru, Vandellia cirrhosa. There are armour-plated types and also naked types, neither having scales. Despite their name, not all catfish have prominent barbels; members of the Siluriformes order are defined by features of the skull and swimbladder. Catfish are of considerable commercial importance; many of the larger species are farmed or fished for food. Many of the smaller species, particularly Hypostominae and Corydoradini are important in the aquarium hobby. Catfish are nocturnal.

L-number system Edit

The Loricariidae Family contains a large number of traded species, of which some is yet unclassified. The L-number system is a semi-scientific classification system of catfish based on photographs of shipments of tropical catfish of the family Loricariidae published by the aquarium magazine DATZ (Die Aquarien und Terrarienzeitschrift).

An L-number is not an official scientific name, but it does allow people to identify various Loricariid catfish by a "common name" before the fish is actually officially described. When a Loricariid receives an official scientific name, the L-number is retired.

Adding to the confusion the aquarium magazine Das Aquarium introduced a similar LDA system.

Plecostomus definition Edit


Common Pleco

While Plecostomus (Pleco) refers to Hypostomus Plecostomus (Common Pleco) in the subfamily Hypostominae according to Scientific Classification; commercial use of the name is much wider. The name "plecostomus" means "folded mouth" (pleco: pleat and stoma: mouth); it has been applied to any of a large number of species - popularly called suckermouth catfishes - that have a similar shape, but vary widely in terms of maximum length, coloration, and certain body features.

Hypostominae Edit

Scientific classification
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Subfamily: Hypostominae

Link to the full article about Hypostominae

Hypostominae is a subfamily of catfishes of the family Loricariidae.

In this Subfamily we find:

Hypostomini Edit

Pterygoplichthyini Edit

Rinelepini Edit

Ancistrini Edit

Corydoradini Edit

1499brochis splendens

Emerald Cory

Scientific classification
Class: Actinopterygii
Order: Siluriformes
Family: Callichthyidae
Subfamily: Corydoradinae
Tribe: Corydoradini

Link to the full article about Corydoradini

In the Corydoradini Tribe we find a group of freshwater temperate and tropical catfish in the armored catfish subfamily. It is commonly divided into two genis Corydoras and Brochis. They are well known among aquarists for their many ornamental species.

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