Skip to content
Porthole Catfish, photographed on a transparent background
Photo: Mattia Nocciola · CC BY-SA 4.0

FreshwaterComing soonCommon

Porthole Catfish

Dianema longibarbis

The Porthole Catfish (Dianema longibarbis) is a tropical freshwater fish of the family Callichthyidae. It lives on the bottom. It grows to 9.8 cm (standard length, tail fin excluded). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 24–28 °C.

Size
9.8 cmstandard length, tail fin excluded
Temperature
24–28 °C
pH
5.5–7.5
Tank footprint
90 × 38 cm

In the aquarium

Temperature24–28 °C
pH5.5–7.5
Hardness1–20 °dGH
Drawn to scale in a 90 cm tank

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
On the bottom
Aquarium trade
Traded commercially

Conservation status

Classification

  1. OrderSiluriformes
  2. FamilyCallichthyidae
  3. GenusDianema
  4. SpeciesDianema longibarbis

Quick answers

Porthole Catfish size: how big does it get?
It grows to 9.8 cm (standard length, tail fin excluded).
Porthole Catfish tank size: what is the minimum?
A tank with a footprint of at least 90 × 38 cm.
Porthole Catfish water parameters: what does it need?
Temperature 24–28 °C, pH 5.5–7.5, hardness 1–20 °dGH.
Porthole Catfish: is it endangered?
The IUCN Red List rates it Least Concern.

All species A–Z

Sources

The figures on this page are compiled from the references below.