Marine Fish Encyclopedia — 80 Species Directory
Encyclopedia of popular marine fish species with care guides, traits, and water parameters.
Featured Marine Fish
Showing 5 of 80 species
Flame Wrasse
Cirrhilabrus jordani
Hawaiian endemic wrasse with vivid red-orange flame-like coloration. Males display even more vivid nuptial colors. Peaceful nature ideal for reef tanks. A deeper water species.
Lionfish
A marine fish with beautiful fan-like fins and stripes. Dorsal spines carry strong venom.
Lyretail Anthias
Pseudanthias squamipinnis
Schooling saltwater fish with beautiful pink to orange body color. Females are orange, males have vivid coloring with purple lines. Popular intermediate-level species that makes tanks vibrant when schooled.
Marine Betta
Calloplesiops altivelis
Beautiful fish with white spots on black body like a starry sky, plus false eyespot near tail. Hides in rocks with nocturnal tendencies. Uniquely graceful swimmer.
McCosker's Flasher Wrasse
Paracheilinus mccoskeri
Beautiful small wrasse with orange body and neon blue lines. Males 'flash' by spreading fins during courtship — hence the name. Reef safe and community-friendly.
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.