Can I keep it in a reef tank?

It feeds on plankton, so it is known as an angelfish that rarely nips at corals. Individuals vary, however, so it cannot be called completely safe. Keep an eye on your corals after introducing it.

Is it suitable for beginners?

Its care level is intermediate. It suits people who are already comfortable with saltwater water quality and feeding, so beginners may want to build those basics first.

How long does it live?

There is little reliable information on its lifespan, so no specific figure can be given. Plan for a long-term commitment and make sure you can sustain the tank, equipment, and daily care.

How large does it get?

Its total length is given as a maximum of 25 cm. Young fish are small but keep growing, so pick a tank size with the adult in mind.

What should I ask the breeder?

Ask what it usually eats and how it feeds, its sex, and which fish it has lived with so far. This makes the first days at home smoother, so check it alongside the photos and description on the listing.

Lamarck's angelfish

Lamarck's angelfish (タテジマヤッコ) is a Genicanthus angelfish with a whitish body crossed by black vertical stripes. Males and females look different, and the female has thicker stripes along the back. Because it feeds on plankton, it is known as an angelfish that is less likely to nip at corals. It grows to a maximum total length of 25 cm, so it needs a roomy tank, and its care level is rated intermediate. Its clean stripes and graceful swimming are the main attractions.

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Lamarck's angelfish key facts

Care level: Intermediate
Lifespan: Little data available
Size: Up to 25 cm TL (FishBase)
Temperature: 21〜26℃
Diet: Zooplankton feeder
Water Temperature & Quality: 21-26°C, specific gravity 1.020-1.026 (Saltcorner).
Container & Tank: About 570 L (150 gallons) or more, with open space for midwater swimming.
Tank Mates & Compatibility: It may chase small, docile planktivores such as anthias and fairy wrasses. One male per tank.
Reef Compatibility: Regarded as a reef-safe angelfish that rarely nips corals.
Diet & Feeding: A plankton feeder in the wild. Feed mysis, frozen brine shrimp and angelfish foods several times a day, adding spirulina-based food occasionally.
Health & Cautions: It may hide at first but comes out into midwater once settled. Use a container rather than a net because of the cheek spine.

TraitsAngelfishGenicanthusReef-safeSexually dimorphic

About Lamarck's angelfish

Lamarck's angelfish is a saltwater fish with black vertical stripes on a whitish body. It eats plankton, so it is less likely to nip at corals. It grows to 25 cm and its care level is intermediate. Learn the basics before you bring one home.

7 things to know before welcoming a Lamarck's angelfish

1Stripes differ by sex
Males and females have different patterns, and the female has thicker stripes along the back. Check the photos and description on the listing to confirm the sex before you decide.
2Compatibility with corals
Because it feeds on plankton, this angelfish is known for rarely nipping at corals. Individuals vary, though, so watch closely for the first while after adding one to a reef tank.
3Plan for 25 cm
It can reach a maximum total length of 25 cm. Even if a young fish looks small, choose a tank with its adult size in mind. Starting with a roomy tank saves you from a rushed upgrade later.
4Small, frequent meals
As a plankton feeder, it does best on small foods given in small amounts, spread over several feedings. Before bringing one home, ask the breeder what it is currently eating to make the transition smoother.
5Choose tankmates carefully
Angelfish can be territorial toward their own species or similar-looking fish. Choose tankmates carefully, make sure the tank is large enough, and introduce them while watching behavior. Keeping a spare tank ready is wise in case chasing continues.
6Water quality matters
The care level is intermediate. Poor water quality can stress the fish and lead to health problems, so test temperature, salinity, and nitrate regularly and keep them stable. Regular water changes are also essential.
7Acclimate carefully
Marine fish can struggle with a new environment, so acclimate the fish slowly. Keep it in a separate tank for a while, and check its skin and fins daily for signs of trouble such as white spot disease.

Frequently asked questions about Lamarck's angelfish

Q.Can I keep it in a reef tank?: A.It feeds on plankton, so it is known as an angelfish that rarely nips at corals. Individuals vary, however, so it cannot be called completely safe. Keep an eye on your corals after introducing it.
Q.Is it suitable for beginners?: A.Its care level is intermediate. It suits people who are already comfortable with saltwater water quality and feeding, so beginners may want to build those basics first.
Q.How long does it live?: A.There is little reliable information on its lifespan, so no specific figure can be given. Plan for a long-term commitment and make sure you can sustain the tank, equipment, and daily care.
Q.How large does it get?: A.Its total length is given as a maximum of 25 cm. Young fish are small but keep growing, so pick a tank size with the adult in mind.
Q.What should I ask the breeder?: A.Ask what it usually eats and how it feeds, its sex, and which fish it has lived with so far. This makes the first days at home smoother, so check it alongside the photos and description on the listing.