The Percidae are a family of ray-finned fish, part of the order Perciformes, which are found in fresh and brackish waters of the Northern Hemisphere. The majority are Nearctic, but there are also Palearctic species. The family contains more than 200 species in 11 genera. The perches and their relatives are in this family; well-known species include the walleye, sauger, ruffe, and three species of perch. However, small fish known as darters are also a part of this family.
The Scorpaenidae are a family of mostly marine fish that includes many of the world's most venomous species. As their name suggests, scorpionfish have a type of "sting" in the form of sharp spines coated with venomous mucus. The family is a large one, with hundreds of members. They are widespread in tropical and temperate seas but mostly found in the Indo-Pacific. They should not be confused with the cabezones, of the genus Scorpaenichthys, which belong to a separate, though related, family, Cottidae.
Lobotes is a genus of ray-finned fishes belonging to the family Lobotidae known as the tripletails. These fishes are found in subtropical and tropical waters in all oceans.
Little velvetfishes or simply velvetfishes are a family, the Aploactinidae, of marine ray-finned fishes classified within the order Scorpaeniformes. They are small fish that have skin with a velvet texture. They live on the sea bottom close to the shore, at depths of up to 100 metres (330 ft). They are found in the Indo-Pacific region.
Caracanthus, the coral crouchers, or orbicular velvetfishes, are a genus of ray-finned fishes. They live in coral reefs of the tropical Indo-Pacific. This genus is the only member of the monotypic subfamily Caracanthinae, part of the family Scorpaenidae.
Atherion is a small genus of silversides, known as the pricklenose silversides. It is the only genus in the family Atherionidae. Other authorities classify this as a monogeneric subfamily, Atherioninae, of the Atherinidae, while others include it within the subfamily Atherinomorinae. They have an Indo-Pacific distribution.
Paraploactis is a genus of marine ray-finned fish, velvetfishes belonging to the family Aploactinidae. The genus is found the Indo-Pacific.
The deceitful velvetfish is a species of marine ray-finned fish, a velvetfish, belonging to the family Aploactinidae. This species is endemic to the oceans around Australia. This species is the only known member of its genus.
Easchmeyer nexus is a species of marine ray-finned fish; it is the only species in the monotypic genus Eschmeyer and monogeneric family Eschmeyeridae. This fish is only known from the Pacific Ocean, near Fiji.
Minous, is a genus of marine ray-finned fishes, it is the only genus in the tribe Minoini, one of the three tribes which are classified within the subfamily Synanceiinae within the family Scorpaenidae, the scorpionfishes and their relatives. They are commonly known as stingfishes. They are found in the Indo-West Pacific.
The blackfin stonefish is a species of venomous ray-finned fish, a stonefish be longing to the subfamily Synanceiinae of the family Scorpaenidae, the scorpionfishes and their relatives. It is the only species in the monotypic genus. It is native to the western Indian Ocean where it occurs in areas with muddy bottoms. This species grows to a total length of 13 centimetres (5.1 in).
Neocentropogon is a poorly known genus of marine ray-finned fishes, waspfishes belonging to the subfamily Tetraroginae, which is classified as part of the family Scorpaenidae, the scorpionfishes and their relatives. The fishes in this genus are native to the Indian Ocean and the western Pacific Ocean.
Pseudovespicula is a genus of venomous ray-finned fishes, waspfishes belonging to the subfamily Tetraroginae, which is classified as part of the family Scorpaenidae, the scorpionfishes and their relatives. It has been considered to be a monotypic genus, containing only the type species, Pseudovespicula dracaena, but some authorities classify three species within the genus. The genus is found in the Indo-Pacific region.
Richardsonichthys, is a monotypic genus of marine ray-finned fish belonging to the subfamily Tetraroginae, the waspfishes, which is classified as part of the family Scorpaenidae, the scorpionfishes and their relatives. The only species in the genus is the whiteface waspfish, also known as the whitebelly roguefish, rouge fish, Torres Strait soldier fish or Richardson's waspfish. This species is native to reefs of the Indian Ocean and the western Pacific Ocean.
Blepsias bilobus, the crested sculpin, is a species of sculpin belonging to the subfamily Hemitripterinae of the family Agonidae. This species is found in the North Pacific Ocean.
Nototheniops is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes. The species in this genus are native to the Southern Ocean.
Minous monodactylus, the grey stingfish or grey goblinfish, is a species of marine ray-finned fishes, it is the only genus in the tribe Minoini, one of the three tribes which are classified within the subfamily Synanceiinae within the family Scorpaenidae, the scorpionfishes and their relatives. This species found in the Indo-Pacific and is venomous to humans.
Congrogadinae is a subfamily of ray-finned fishes, one of four subfamilies that make up the family Pseudochromidae, these elongated fish are commonly called eel-blennies.
Pseudoplesiopinae is a subfamily of the family Pseudochromidae, the dottybacks, it consists of small species of coral-reef inhabiting fish which are distributed throughout the Indo-Pacific.
Opisthocentrinae is a subfamily of marine ray-finned fishes, classified within the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the North Pacific Ocean.
