Skip to content
Swimming FishiesFreshwater & saltwater care

Fish directory

Profiles with adult tank sizes, temperament, and FAQs. Filter by water type or difficulty.

Showing 3 species · Saltwater · Intermediate

Ocellaris clownfish (Amphiprion ocellaris) among tentacles of a sea anemone

Saltwater · Intermediate

Ocellaris clownfish

Amphiprion ocellaris

Ocellaris clownfish are among the more forgiving marine fish, but they still need a cycled saltwater tank, stable salinity, and marine-level testing. A 20-gallon tank can house a pair; 30 gallons is more comfortable.

Min. tank: 20 gal

Care notes →
Yellow tang (Zebrasoma flavescens) in profile against a dark background

Saltwater · Intermediate

Yellow tang

Zebrasoma flavescens

Yellow tangs are active Hawaiian surgeonfish that need swimming room, not a nano reef. A home-aquarium minimum is about 125 gallons with length to patrol and rock to graze.

Min. tank: 125 gal

Care notes →
Firefish goby (Nemateleotris magnifica) hovering above reef substrate

Saltwater · Intermediate

Firefish goby

Nemateleotris magnifica

Firefish gobies are elegant, hovering dartfish for a covered saltwater tank. A 20-gallon reef can work for one. The lid is not optional. They jump.

Min. tank: 20 gal

Care notes →