Marine Fish Encyclopedia — 80 Species Directory
Encyclopedia of popular marine fish species with care guides, traits, and water parameters.
Featured Marine Fish
Showing 2 of 80 species
© DerHans04 / CC BY-SA 3.0Blue Tang
Paracanthurus hepatus
Stunning royal blue body with yellow tail. Active swimmer requiring large tanks. Prone to ich — strict water quality is essential. Global popularity boosted by film.
IntermediateLargeActive swimmer
Harlequin Tuskfish
Choerodon fasciatus
Large wrasse with blue, orange, and white stripes and blue tusks. Crushes urchins and shellfish. Relatively peaceful despite size. Popular for large tanks.
IntermediateLargeWrasse
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Marine Fish FAQ
- Is keeping marine fish difficult?
- While more water quality management is needed compared to freshwater, starting with hardy species like clownfish or blue-green chromis makes it very manageable for beginners. Stable salinity and temperature are key.
- How much do marine fish cost?
- Clownfish range from 2,000-5,000 yen, blue tangs from 5,000-15,000 yen, and popular angelfish from 5,000-50,000+ yen depending on species and size.
- How long do marine fish live?
- Small fish live 5-10 years, while medium species like angelfish can live 10-20+ years. Proper environment and nutrition enable long-term care.
- What should I check when buying marine fish?
- Check for white spots or injuries on the body, intact fins, and that the fish is eating well. Choosing quarantined specimens gives extra peace of mind.
- What equipment is needed for marine fish?
- Basic equipment includes a tank, salt mix, refractometer, canister filter or overflow system, heater, and protein skimmer. Starting with a 60cm+ tank is recommended.