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Yellow Longnose Butterflyfish
Butterflyfish

Yellow Longnose Butterflyfish

Forcipiger flavissimus

A bright-yellow butterfly with a black upper head and a long tweezer snout it uses to probe rockwork for small prey. It is one of the hardiest and best-behaved butterflies for a peaceful community, and the most reef-tolerant of the group — but not fully trustworthy: a well-fed fish usually ignores corals, while some individuals pick at stony and soft coral polyps, tubeworms and small tube-dwelling inverts, so keep it as reef-safe with caution. Peaceful, active and long-lived; best kept one per tank.

Temperament
Peaceful
Max size
8.7"
Min tank
75 gal
Reef-safe
Reef safe with caution
Diet
Carnivore
Zone
Rockwork, Mid-water
Keep just one per tank — two will fight.
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Tankmates

How Yellow Longnose Butterflyfish gets on with the rest of the reef, checked pair by pair by the same engine as the live pre-flight.

Best kept apart

A real clash — aggression, predation or a same-genus fight.

Snowflake MoraySnowflake Moray has a big enough mouth to eat the much smaller Yellow Longnose Butterflyfish.Zebra MorayZebra Moray has a big enough mouth to eat the much smaller Yellow Longnose Butterflyfish.Chainlink MorayChainlink Moray has a big enough mouth to eat the much smaller Yellow Longnose Butterflyfish.Clown TriggerfishClown Triggerfish (aggressive) is much larger than the peaceful Yellow Longnose Butterflyfish and may harass it.Miniata GrouperMiniata Grouper (aggressive) is much larger than the peaceful Yellow Longnose Butterflyfish and may harass it.Panther GrouperPanther Grouper (aggressive) is much larger than the peaceful Yellow Longnose Butterflyfish and may harass it.Big Longnose ButterflyfishYellow Longnose Butterflyfish and Big Longnose Butterflyfish are the same genus (Forcipiger) and will fight — keep only one.