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Marine   Fishes

Longnose butterflyfish
(Forcipiger longirostris)

Longnose butterflyfish

Alternative species (click on the thumbnail to see the card)

  • None (for the moment!)

Names

Scientific name
Forcipiger longirostris
Chaetodon longirostris
Chelmo longirostris
Prognathodes longirostris
Forcipiger cyrano
Forcipiger inornatus

Common name
Longnose butterflyfish
Big longnose butterflyfish

Origin

what are its countries of origin?

Origin: Caribbean, Florida
Natural habitat: found up to 15 meters / 50 feet deep

Dimorphism

what are the physical differences between males and females?

None

Group

Group

Chaetodontidae

Volume

what is the minimum volume for this species?

500 L / 110 Imp Gal / 132 US Gal

Parameters

what are the water parameters for the maintenance of this fish?

T°: 24 to 26°C or 75 to 79°F
pH: 7.8 to 8.5
Density: 1021 to 1026

Difficulty

Difficulty

Hard

Size

what is the maximum size of this fish?

18 to 25cm (7 to 9.8")

Longevity

what is the average life expectancy of this fish?

10 to 15 years

Living zone

in which area of the aquarium does this fish live?

Middle and depth

Individuals

sociability of the species

1

Food

How to feed the Longnose butterflyfish?

Food

How to feed the Longnose butterflyfish?

Easy to feed, the Forcipiger is carnivorous. You can offer it a diet composed mainly of small crustaceans such as artemia or mysis. Mussel or shrimp meat is also a good choice, as well as krill, mud worms or cut nereis. It will prefer live prey, or failing that frozen after a period of adaptation.

In order to stick as well as possible to its natural rhythm, make several small meals per day (in nature, it feeds throughout the day).

Behavior

What kind of behavior does the Longnose butterflyfish have?

Behavior

What kind of behavior does the Longnose butterflyfish have?

Although this fish is aggressive towards its fellow fish, it is very sociable and peaceful with other fish species. The same is true in the wild, where it lives exclusively solitary, with pairs forming only for the time of reproduction.

Once well settled, they roam peacefully through the landscape in search of prey.

Cohabitation

Who can live with the Longnose butterflyfish?

Cohabitation

Who can live with the Longnose butterflyfish?

Intolerant towards its congeners, only one representative of this species should be kept in an aquarium with a volume of less than 1000 L /220 Imp gal / 265 US Gal. On the other hand, it is very tolerant towards all other species.

The only cohabitation restrictions to report are with aggressive or very vivid territorial species that can stress it and disturb its daily activity.

Breeding

How to breed the Longnose butterflyfish?

Breeding

How to breed the Longnose butterflyfish?

Unknown in leisure aquarium hobby.

Its aquarium

Which aquarium for the Longnose butterflyfish?

Its aquarium

Which aquarium for the Longnose butterflyfish?

A rocky setting rich in animalcules (microscopic animals) is ideal for this pretty fish which will spend its time hunting them. It is also an essential element for the acclimatization of most specimens.

Very sensitive to the pollution of its environment, this fish requires a good filtration and a moderate current. Of course, it should only be introduced in a mature and very stable aquarium in order to avoid variations in water parameters.

If the Forcipiger is not correctly fed (in quality or quantity), it can attack corals. If this is the case, you should revise its diet (see "Food").

Good To know

Find all additional information!

Good To know

Find all additional information!

Beware of confusion with Forcipiger flavissimus. The most obvious difference is the size of the nose, proportionally longer in F.longirostris. F.longirostris also has lines of dark dots on the white part of its chest and flanks.

Its long tweeze-like beak is used to find prey between rocks and corals in its natural environment. Its name "longirostris" comes from the Latin "longus" meaning long and "rostrum" meaning beak. We leave it to you to associate the two notions :)

It is preferable to acquire young fish whose acclimatization is much easier.

There are darker forms of this species. Sensitive and difficult to acclimatize, the long-nosed butterflyfish is to be reserved for experienced aquarists (note that it is still quite robust once acclimatization is successful).

Translated with www.DeepL.com/Translator (free version)

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