28 Fish described in 1927

Acanthurus leucocheilus is a tropical fish also known as the palelipped surgeonfish or the white-spine surgeonfish. It is used commercially in aquariums.

The Azov tadpole goby is a species of goby native to the basin of the Sea of Azov, specifically in the near-estuary zone of the Kuban River, to west until Ukrainian part of the Taganrog Bay and the Strait of Kerch, in the Mius estuary, Yeya estuary, and Akhtanizovskii Liman. This species is only found on silty estuarine bottoms. It can reach a length of 8.4 centimetres (3.3 in) TL.

Beaufortia leveretti is a species of ray-finned fish in the genus Beaufortia.

The belted cardinalfish is a tropical marine fish in the genus Apogon. They grow up to 6.5 centimetres (2.6 in) in length. Belted cardinalfish are found in the waters of the western Atlantic Ocean, off Central and South America, inhabiting caves and holes. They are pinkish-red on the dorsal side and yellowish-red on the ventral side. Their eggs are carried in the mouth of the adult as they mature.

Benthophiloides brauneri is a species of goby, a benthophilic fish native to the fresh and brackish waters of the Black Sea, the Caspian Sea and the Sea of Azov as well as their surrounding rivers and estuaries. Despite the wide distribution, very few observations overall of this fish exist, and just one from the Caspian basin. It has been found in still waters at depths down to around 15 metres (49 ft). Males of this species can reach a length of 7.2 centimetres (2.8 in) SL while females only reach 5.1 centimetres (2.0 in) SL. This fish only lives for one year.

Benthophilus kessleri is a species of goby widespread along the eastern coasts of the Caspian Sea from the Urdyuk Cape to Kuuli Cape and Türkmenbaşy at south. This species occurs at depths of from 65 to 75 metres. It can reach a length of 4.6 centimetres (1.8 in) TL. The specific name honours the German-Russian zoologist Karl Fedorovich Kessler (1815-1881).

Redigobius bikolanus, the Speckled goby, is a species of goby native to marine, fresh and brackish waters along the coasts of Asia from Japan to Australia out to the Pacific islands of New Caledonia and Vanuatu and along the coast of South Africa and the Seychelles. This species inhabits streams, creeks and estuaries, often being found upstream beyond the tidal zones of rivers. This fish can reach a length of 4.2 centimetres (1.7 in) SL.

The black-winged hatchetfish is a freshwater ray-finned fish native to South America.

Bostrychus expatria is a species of freshwater fish in the family Butidae endemic to Lake Manguao on the island of Palawan in the Philippines.

The dwarf pygmy goby or Philippine goby is a tropical species of fish in the subfamily Gobionellinae from brackish water and mangrove areas in Southeast Asia. It is one of the smallest fish species in the world. Males reach maturity at a standard length of 0.9 cm (0.35 in) and can reach up to 1.1 cm (0.43 in) in standard length, while the females can grow up to 1.5 centimetres (0.59 in) in total length. Adults weigh around 4 milligrams (0.00015 oz). It is known as bia and tabios in the Philippines.

The Egyptian sole is a species of flatfish in the true sole family, Soleidae. It lives on the sandy or muddy seabed of the Mediterranean Sea, and is now colonising the Red Sea. It often semi-immerses itself in the substrate. The upper side is greyish-brown while the underside is white. It grows to a maximum length of about 70 cm (28 in). This fish is used for human consumption and is prized as a food fish. It is caught mostly by trawling on the seabed.

Gibbonsia montereyensis, the Crevice kelpfish, is a species of clinid found along the Pacific coast of North America from British Columbia, Canada, to Baja California, Mexico where it prefers areas close to the shore amongst algae. This species can reach a maximum length of 11 centimetres (4.3 in) TL. This species feeds primarily on polychaete worms.

The hawknose grenadier, Coelorinchus oliverianus, is a species of rattail found around New Zealand, at depths of between 80 and 1300 m. Its length is between 20 and 35 cm.

Naso lopezi, the elongated unicornfish, is a unicornfish from the western Pacific Ocean. It occasionally makes its way into the aquarium trade. It grows to a length of 60 cm (24 in).

Pristipomoides auricilla, commonly known as the goldflag jobfish is a marine fish native to the Pacific Ocean.

The redspotted hawkfish is a species of hawkfish found at depths of from 2 to 46 m on tropical reefs in the Western Atlantic. This species can reach a length of 9.5 cm (3.7 in) in standard length. It can also be found in the aquarium trade.

The robust cardinalfish is a species of deepwater cardinalfish found around the world in southern temperate waters at depths of from 500 to 3,000 metres. It can reach a length of 22 centimetres (8.7 in) TL.

Acanthemblemaria aspera, the roughhead blenny is a species of blenny native to the tropical western Atlantic Ocean. Typical length is 19 mm (0.75 in) for adult males and 21 mm (0.83 in) for females.

The roughtail catshark or marbled catshark is a common species of catshark, part of the family Scyliorhinidae. It is found at a depth of 36–702 m (118–2,303 ft) in the northwestern Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea, from North Carolina to Costa Rica. Individuals of different sexes and ages are segregated to some degree. A small species not exceeding 33 cm (13 in) in length, the roughtail catshark has a slender body with a marbled color pattern of dark saddles and spots, and a prominent crest of enlarged dermal denticles along the dorsal edge of its caudal fin. This species feeds mainly on shrimp and is oviparous. It is caught incidentally in shrimp trawls, though trawl fisheries within its range mostly do not operate at the depths it inhabits. As a result, the International Union for Conservation of Nature has listed it under Least Concern.

Sardinella tawilis, is a freshwater sardine found exclusively in the Philippines. It is the only member of the genus Sardinella known to exist entirely in fresh water. Locally, they are known in Filipino as tawilis.

Schismatogobius insignus is a species of goby endemic to the Philippines. It is a small fish, growing to a maximum length of only 4.4 cm (1.7 in). It is found in coastal marine, brackish, and freshwater habitats.

The smallscale lizardfish (Saurida caribbaea) is a species of lizardfish that lives mainly in the Western Atlantic.

Squalius ghigii, the Rhodes minnow, is a species of freshwater fish in the family Cyprinidae, also known as the gizani or ghizáni. It is currently considered to be endemic to the island of Rhodes, Greece. Its natural habitats are rivers, intermittent rivers, freshwater marshes, freshwater springs, and water storage areas. It is threatened by habitat loss.

Stegastes aureus, the golden gregory, is a damselfish of the family Pomacentridae native to islands in the tropical Pacific Ocean, its range including New Caledonia, the Gilbert Islands, Line Island, Phoenix Island, Samoa, the Tuamotu Archipelago, and the Marquesas Islands. It is found on coral reefs at depths ranging from 1 to 5 m.

The striped clingfish is a clingfish of the family Gobiesocidae, found all around New Zealand from low water to about 5 m, on rocky coastlines. Its length is between 5 and 10 cm.

Synchiropus splendidus, the mandarinfish or mandarin dragonet, is a small, brightly colored member of the dragonet family, which is popular in the saltwater aquarium trade. The mandarinfish is native to the Pacific, ranging approximately from the Ryukyu Islands south to Australia. It can usually be found in some of the warmer waters.

Thaumatichthys binghami is a species of wolftrap angler known from the western central Atlantic Ocean, where it occurs at a depth of 2,532 metres (8,307 ft). This species is similar to T. axeli, except that its esca bears 2–3 pairs of lateral lobes that are elongated into tapering filaments in the largest individuals, and the uppermost medial appendage on the esca is finger-like and tapering.

Tridentiger kuroiwae is a species of goby endemic to Japan where it is found in flowing fresh waters.