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Max Size: 5.5cm

Cochus Blue Tetra (Boehlkea fredcochui)

Cochu's Tetras are generally peaceful and gentle fish and extremely active, are not demanding and relatively simple to look after. However, they may occasionally nip on the fins of other larger and slow-moving fish if there is not enough swimming space for them.

The Cochu's Blue Tetra is an excellent choice for medium to large-sized community aquariums, especially well-planted aquariums. It is recommended to keep this species of Tetra in groups of at least six as this shoaling fish does better when part of a group. It would be better if you didn't keep these Tetras with other fish that are aggressive; otherwise, those fish will outcompete them for food.

The Cochu's Blue Tetra has a silvery blue streamlined body that varies from sky blue to dark shiny blue and displays a blueish horizontal stripe at the lateral line with a dark spot at the caudal fin. They have a curved tail and translucent fins. Sometimes you will also find pink colouration at the base of the tail.

Photos

Cochu's Blue Tetra
Cochu's Blue Tetra
Cochu's Blue Tetra
Cochu's Blue Tetra
Cochu's Blue Tetra
Quick Facts
Scientific NameBoehlkea fredcochui
Other NamesBlue King Tetra
ClassificationActinopterygii
OrderCharaciformes
FamilyCharacidae
GenusBoehlkea
OriginsPeru
TemperamentPeaceful
Aquarium LevelAll Levels
DifficultyBeginner
ShoalingYes
Best kept asGroups 6+
DietOmnivore
ReproductionEgg-Scatterer
Lifespan2 - 3 years
Water Parameters
Water TypeFreshwater
PH6.0 - 7.5
GH5 - 15
KH2 - 4
Temperature
71 - 80℉
21.7 - 26.7℃

Natural Habitat

Marañón River

Feeding

In the home aquarium, the Cochus Blue Tetra will readily accept most good quality dried foods such as granules, flakes and sinking pellets. These modern food products have been developed to provide all adequate nutrition to maintain your fish's health and dietary requirements.

Providing additional foodstuffs such as live, frozen, and freeze-dried meals such as bloodworm, daphnia, and tubifex once or twice a week will provide additional benefits to your fish's health and well-being but is not a must for this fish.

It should be noted that bloodworms should only be given as an occasional treat and should not be used as the staple diet as they are difficult for fish to digest and can potentially cause blockages.

This fish is an omnivore in the wild, meaning it will consume some vegetable matter. Although most modern fish foods take this into account and include them in their products, you can still supplement your fish's diet with blanched vegetables such as spinach, broccoli, and zucchini. Ensure you do not overfeed your fish and remove any leftovers the following day.

Sexual Dimorphism

It is relatively straightforward to differentiate males from females by their slimmer, more streamlined body and are usually more intensely coloured. In contrast, the females are more expansive, less streamlined, and are generally duller in colour than the male.

Other Tetras of interest

Adonis Tetra(Lepidarchus adonis)
African Moon Tetra(Bathyaethiops caudomaculatus)
African Red Eyed Tetra(Arnoldichthys spilopterus)
Arowana Tetra(Gnathocharax steindachneri)
Black Darter Tetra(Poecilocharax weitzmani)
Black Line Tetra(Hyphessobrycon scholzei)
View all Tetras
Date Added: 08/10/2020 - Updated: 22/11/2021 17:02:37