Marine Fish Encyclopedia — 80 Species Directory
Encyclopedia of popular marine fish species with care guides, traits, and water parameters.
Featured Marine Fish
Showing 3 of 80 species
Blue Green Chromis
Chromis viridis
A schooling damselfish shining pale blue-green. Peaceful and affordable, most classic beginner saltwater.
Blue GreenBlue-greenSchooling
© H. Zell / CC BY-SA 3.0Engineer Goby
Pholidichthys leucotaenia
A goby with fascinating tunnel-digging behavior. Groups build complex burrow systems in sand.
Engineer GobyTunnelingSchooling
© (c) Debra Baker, some rights reserved (CC BY) / CC BY 4.0Green Chromis
Chromis viridis
A schooling damselfish shining in pale green. Gentle nature, ideal as beginner saltwater fish.
Green ChromisGreenSchooling
Related Content
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.