Saltwater Fish Categories
Explore our comprehensive saltwater fish library organized by family. Find care guides, photos, and reviews for every type of reef fish.
Tangs & Surgeonfish
Acanthuridae
Tangs, also known as surgeonfish, are among the most popular marine aquarium fish. Known for their vibrant colors and active swimming behavior, they m...
Clownfish
Amphiprioninae
Clownfish are the most recognizable marine aquarium fish, famous from Finding Nemo. They are hardy, colorful, and have fascinating symbiotic relations...
Wrasses
Labridae
Wrasses are a diverse family of colorful fish popular in reef aquariums. From the pest-controlling Six Line to the spectacular Fairy Wrasses, there's...
Gobies
Gobiidae
Gobies are small, personable fish that make excellent additions to reef tanks. Many species form symbiotic relationships with pistol shrimp, creating...
Blennies
Blenniidae
Blennies are charming, personable fish known for their expressive faces and interesting behaviors. Many species are excellent algae grazers.
Angelfish
Pomacanthidae
Marine angelfish are among the most beautiful reef fish. From small dwarf angels to majestic large angels, they add stunning color to any display.
Anthias
Serranidae
Anthias are schooling fish that add movement and vibrant color to reef tanks. They require frequent feeding but reward keepers with stunning displays.
Cardinalfish
Apogonidae
Cardinalfish are peaceful, hardy fish that thrive in groups. The Banggai Cardinalfish is one of the few marine fish commonly bred in captivity.
Hawkfish
Cirrhitidae
Hawkfish are fascinating predators known for perching on rocks and corals while watching for prey. They add personality to any reef tank.
Foxface & Rabbitfish
Siganidae
Foxface and rabbitfish are excellent algae eaters with venomous spines for defense. They're peaceful, hardy, and make great additions to larger reef t...
Triggerfish
Balistidae
Triggerfish are intelligent, personable fish with bold personalities. While many are too aggressive for reef tanks, some species can work in careful s...
Puffers & Boxfish
Tetraodontidae/Ostraciidae
Puffers and boxfish are charismatic fish known for their unique shapes and personalities. Most are not reef-safe but make excellent fish-only pets.
Butterflyfish
Chaetodontidae
Butterflyfish are elegant, disc-shaped fish with striking patterns. While challenging to keep, some species can thrive with proper care.
Chromis & Damselfish
Pomacentridae
Chromis and damselfish are hardy, colorful fish often used to cycle new tanks. Green Chromis are popular schooling fish for reef displays.
Basslets & Dottybacks
Grammatidae/Pseudochromidae
Basslets and dottybacks are small, colorful fish perfect for reef tanks. While beautiful, some species can be territorial.