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Blue Whale Catfish, photographed on a transparent background
Photo: Ivan Sazima, Jansen Zuanon, Efrem J. G. Ferreira · CC BY 4.0

FreshwaterComing soonUncommon

Blue Whale Catfish

Cetopsis coecutiens

The Blue Whale Catfish (Cetopsis coecutiens) is a tropical freshwater fish of the family Cetopsidae. It swims in midwater, close to the bottom. It grows to 27.3 cm (total length). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 22–26 °C.

Size
27.3 cmtotal length
Temperature
22–26 °C
pH
6.0–7.4
Tank footprint
120 × 45 cm

In the aquarium

Temperature22–26 °C
pH6.0–7.4
Hardness2–15 °dGH
Drawn to scale in a 120 cm tank

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
Midwater, close to the bottom

Conservation status

Classification

  1. OrderSiluriformes
  2. FamilyCetopsidae
  3. GenusCetopsis
  4. SpeciesCetopsis coecutiens

Quick answers

Blue Whale Catfish size: how big does it get?
It grows to 27.3 cm (total length).
Blue Whale Catfish tank size: what is the minimum?
A tank with a footprint of at least 120 × 45 cm.
Blue Whale Catfish water parameters: what does it need?
Temperature 22–26 °C, pH 6.0–7.4, hardness 2–15 °dGH.
Blue Whale Catfish: is it endangered?
The IUCN Red List rates it Least Concern.

Sources

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