
Bagarius rutilus is a species of sisorid catfish native to Laos, Vietnam and Yunnan in China where it is found in the Nam Sam, Nam Ma and Red River basins. This species grows to a length of 100 centimetres (39 in) SL.

The Blue Ridge sculpin is a species of sculpin in the family Cottidae. It is native to the eastern United States, where it can be found in a number of river systems that drain into the Atlantic.

Cirrhilabrus katoi is a species of wrasse native to the Japan. It is found in groups at depths from 20 to 40 m. This species can reach a standard length of 7.5 cm (3.0 in). The specific name honours Soichi Kato, who collected the type.

Crossocheilus atrilimes is a species of freshwater fish in the family Cyprinidae. It is found in Laos, in Thailand, and in Cambodia.

Gobius kolombatovici is a species of goby native to the northern Adriatic Sea where it occurs at depths of from 15 to 38 metres in areas with patches of rock and softer sediments. This species can reach a length of 9.2 centimetres (3.6 in) SL. The specific name honours the Croatian mathematician, naturalist and taxonomist Juraj Kolombatovic (1843-1908), who carried out extensive work on the small inshore fishes of the Adriatic Sea.

The orange-spotted snakehead is a species of snakehead fish. Its body is of brownish colour intermixed with vertical orange stripes. Males have taller dorsal fins with more intense coloration, and narrower heads. It is endemic to Brahmaputra River basin. Its type locality is Dibrugarh, the most northeastern area of Assam, India. Dibrughar is the same type locality as that of Channa bleheri.

Pseudorhabdosynochus sulamericanus is a diplectanid monogenean parasitic on the gills of the Snowy grouper, Epinephelus niveatus, the Warsaw grouper, Epinephelus nigritus and the Haifa grouper, Epinephelus haifensis. It has been described by Santos, Buchmann & Gibson in 2000 , redescribed by Kritsky, Bakenhaster and Adams in 2015. and again redescribed by Chaabane, Justine, Gey, Bakenhaster & Neifar in 2016.

The rose danio is a tropical fish of the family Cyprinidae. At first glance, this species resembles the pearl danio, but lacks the orange stripe on the side. It has a rosy colouration along the lower part of the fish and lower fins and gleams purple-blue in sunlight. It is also commonly known as the purple passion danio. Its natural range includes the Mekong River drainage in China, Thailand. Laos, and Myanmar.Maximum length: 1.25 inches 3.175 cm Colors: Blue, purple, silver, red Temperature preference 20-25 °C pH preference: 6 to 7 Hardness preference: Soft to medium Salinity preference: Low to medium Compatibility: Peaceful but fast, like most danios; needs plenty of space to swim; a good "dither" fish Lifespan: Typically two to three years Ease of keeping: Moderate Ease of breeding: Moderate to easy

Tomiyamichthys alleni, Allen's shrimpgoby, is a species of ray-finned fish from the family Gobiidae. It occurs in the western Pacific Ocean where its is commensal with an aplheid shrimp.