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Longnose Butterflyfish care guide

Longnose Butterflyfish (Forcipiger flavissimus) — minimum tank 300 L, temperature 24-27 °C, pH 8.1-8.4.

Overview

The Yellow Longnose Butterflyfish (Forcipiger flavissimus) reaches about 22 cm and is one of the more widely distributed of all reef fishes. The body is bright yellow with a black triangular forehead and pure white lower face, and a long, slender tubular snout used for picking food from coral crevices.

Taxonomy

  • Family: Chaetodontidae
  • Genus: Forcipiger
  • Scientific name: Forcipiger flavissimus
  • Common synonyms: Forceps Butterflyfish

Habitat

Distributed across the tropical Indo-Pacific and into the Eastern Pacific from Mexico to Ecuador — one of the broadest ranges of any reef fish. The species inhabits coral-rich outer reefs and reef passes from 2 to 145 m depth.

Tank requirements

  • Minimum tank volume: 300 L (79.3 US gal)
  • Adult size: 18-22 cm
  • Temperature: 24-27 °C (75-81 °F)
  • pH: 8.1-8.4
  • GH: 8-12 °dGH
  • Water flow: moderate
  • Lifespan: 5-10 years
  • Salinity: SG 1.024-1.026
  • Carbonate hardness (dKH): 8-12

Diet

An invertebrate-feeding omnivore that picks at tube-feet of small worms, crustaceans and especially the appendages of long-spined sea urchins. In aquaria it is usually one of the more readily adapting butterflyfish, accepting mysis, enriched brine shrimp, krill and chopped mussel within days.

Compatibility

Peaceful for a butterfly; pairs or single specimens can be kept and may also be combined with the similar but more demanding F. longirostris. Compatible with peaceful marine community fish — tangs, smaller angels, gobies, cardinals and clownfish.

Reef compatibility

Reef-safe with caution. The species generally ignores stony corals but may nip feather-duster worms, soft coral polyps, anemone tentacles and sometimes tubeworm crowns. One of the most reef-tolerant Chaetodontidae but not entirely risk-free.

Breeding

A pelagic broadcast spawner forming temporary pairs. Captive breeding has not been achieved at a commercial scale.

Conservation status

IUCN Red List: Least Concern. The exceptionally wide geographic range and pelagic larval phase support a stable global population.

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