El río Mulegé constituye uno de los 2 únicos ecosistemas estuarinos la vertiente occidental del golfo California. Debido a escasez estudios ícticos en este ecosistema, trabajo se realizó un inventario su ictiofauna sustentado con reportes literatura científica, registros colecciones ictiológicas y muestreos recientes.Asimismo, base presencia las especies, analizó afinidad zoogeográfica estado c...

The diversity of fishes in Aek Sibundong, Dolok Sanggul regency, Humbang Hasundutan district, was conducted from April to October2018. aim this research analyze variety and their physical-chemical factors related fishesin Sibundong. This used purposive sampling method on four location based human activities. first stationed with no activities, the second tofu waste disposal station, third slaug...

Fish species composition and organization of the Bandama River at scientific nature reserve Lamto have been investigated for first time. The study was conducted from March 2021 to February 2022. Gillnets traps were used collect fish. A total 41 belonging 35 genera, 13 families, 5 orders captured. best-represented Siluriformes with families 11 Perciformes 3 14 Cichlidae, Mormyridae, Alestidae re...

Turbellarian black spot disease is described in a bluespine unicornfish Naso unicornis (Perciformes, Acanthuridae) collected from the wild off Nouméa, New Caledonia, South Pacific. Each cyst contained a whitish worm, 2 to 4 mm in length, which was able to swim freely in seawater. Cyst walls consisted of fibrous tissue with a scattering of melanocytes. Worms had 2 eyespots at the anterior end, a...

The philometrid nematode, Philometra saltatrix Ramachandran, 1973, is redescribed from male and female specimens collected from the ovaries of the marine fish (bluefish) Pomatomus saltatrix (L.) (Pomatomidae, Perciformes) from the Tuscan Sea, Italy. The light and scanning electron microscopical examination made it possible to study in detail the morphology of this so far little known species. F...

A new species of trichosomoidid nematode, Huffmanela paronai sp. n., is established on the basis of its egg morphology and biological characters. The dark-shelled, embryonated eggs of this histozoic parasite occur in masses in the epidermis of the swordfish Xiphias gladius L. (Xiphiidae, Perciformes) from the Ligurian Sea in northern Italy. The eggs are concentrated in groups appearing as black...

Two new species of the genus Cardiodectes Wilson, 1917 (Siphonostonatoida: Pennellidae) are described based on females from gobiid fishes (Actinopterygii: Perciformes) in coastal waters of the Pacific Ocean. Both new species belong to the 'rubosus' group sharing a trunk without an abdomen. Cardiodectes bellwoodi n. sp. parasitizes Istigobius nigroocellatus (Günther) in Australian waters and dif...