Marine Fish Encyclopedia — 80 Species Directory
Encyclopedia of popular marine fish species with care guides, traits, and water parameters.
Featured Marine Fish
Showing 4 of 80 species

Fire Shrimp
Lysmata debelius
A prized cleaner shrimp with a deep blood-red body, white-socked legs, and long white antennae. It cleans parasites off fish, is hardy and reef-safe, and is stunning to look at.
CleanerShrimpDeep red
© Gdiggers / CC BY-SA 3.0Neon Goby
Elacatinus oceanops
A tiny goby with beautiful vivid neon blue line. Also functions as cleaner fish.
Neon GobyNeon blueUltra small

Scarlet Skunk Cleaner Shrimp
Lysmata amboinensis
Large cleaner shrimp with red body and white dorsal stripe. Famous for cleaning parasites off fish. Excellent tank cleaner. Hermaphroditic — breeding possible.
Beginner-friendlyShrimpCleaner

Wrasse
A colorful and diverse marine fish group. Sleeps buried in sand and also serves as a tank cleaner.
WrasseColorfulSand diver
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.