Marine Aquarium Resource
The Complete
Marine Aquarium
Encyclopedia
Explore hundreds of saltwater fish species, check compatibility, and plan your dream reef tank with the most comprehensive marine aquarium resource available.
Popular Species
Explore the most sought-after marine fish for your aquarium
Ocellaris Clownfish
Amphiprion ocellaris
Blue Tang
Paracanthurus hepatus
Coral Beauty Angelfish
Centropyge bispinosa
Emperor Angelfish
Pomacanthus imperator
Firefish Goby
Nemateleotris magnifica
Mandarin Dragonet
Synchiropus splendidus
Browse by Category
45 categories of marine fish, from beginner-friendly clownfish to expert-level rarities
🐠Clownfish
24 species
🐟Tangs & Surgeonfish
34 species
👼Dwarf Angelfish
27 species
👼Large Angelfish
31 species
🐡Wrasses
61 species
🐡Gobies
51 species
🐟Basslets & Grammas
9 species
🐟Blennies
37 species
🐟Chromis & Damselfish
21 species
🐟Cardinalfish
46 species
🐟Dottybacks
17 species
🐉Dragonets & Mandarinfish
8 species
🦋Butterflyfish
41 species
🦅Hawkfish
14 species
🐟Triggerfish
18 species
🐡Pufferfish
24 species
🦁Lionfish & Scorpionfish
11 species
🐟Groupers & Basslets
28 species
🐍Eels
27 species
🐰Foxfaces & Rabbitfish
11 species
🐟Filefish
12 species
🐟Jawfish
8 species
🐟Anthias
26 species
🐟Seahorses & Pipefish
7 species
🐟Goatfish
4 species
🐟Squirrelfish & Soldierfish
13 species
📦Boxfish & Cowfish
7 species
🦈Sharks & Rays
7 species
🦇Batfish
3 species
🐟Hogfish
11 species
🐟Tilefish
4 species
🐟Pseudochromis
2 species
🐟Assessors
2 species
✨Fairy & Flasher Wrasses
34 species
🔬Nano Fish
5 species
🌟Oddball & Rare Fish
5 species
🐟Damselfish
32 species
🐟Pipefish
12 species
🐠Dartfish & Firefish
6 species
🐟Grunts & Sweetlips
16 species
🐟Hamlets
4 species
🐟Snappers
2 species
🐸Frogfish
4 species
🦂Scorpionfish
6 species
🐟Rays & Stingrays
10 species
View all 45 categories
Fish Compatibility Checker
Build your tank virtually before buying. Check species compatibility, get warnings about aggression or size mismatches, and receive stocking recommendations.
Launch CheckerComprehensive Profiles
Detailed species information including water parameters, diet, compatibility, and care requirements.
Smart Compatibility
Our compatibility engine evaluates species interactions, tank size, and aggression patterns.
Always Growing
New species, corals, and invertebrates are continuously added to our expanding database.