| Bathylagus | |
|---|---|
 | |
| Goiter blacksmelt, (Bathylagus euryops) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Argentiniformes |
| Family: | Bathylagidae |
| Genus: | Bathylagus Günther, 1878 |
| Species | |
See text | |
| Synonyms [1] | |
TherobromusLucas, 1899 | |
Bathylagus is a genus of deep-sea smelts, some species of which are noted for having stylophthalmine larvae.
The seven recognized, extant species in this genus are: [2]
Puntius is a genus of small freshwater fish in the family Cyprinidae native to South Asia and Mainland Southeast Asia, as well as Taiwan.
Maurolicus is an oceanic ray-finned fish genus which belongs in the marine hatchetfish family Sternoptychidae. They are commonly known as pearlsides, but the brilliant pearlside is the related Argyripnus iridescens. Occasionally, "bristle-mouth fishes" is used as a common name, but that usually refers to the genus Argyripnus or the family Gonostomatidae.
The Microhylidae, commonly known as narrow-mouthed frogs, are a geographically widespread family of frogs. The 683 species are in 57 genera and 11 subfamilies.
Scleropages is a genus of fish in the family Osteoglossidae found in Asia and Australia. All of these species are carnivorous and have great jumping ability. These species are highly valued as aquarium fish, particularly by those from Asian cultures. In 2003, a study redescribed several naturally occurring color varieties of S. formosus into four separate species. The majority of researchers dispute these redescriptions, arguing that the published data are insufficient to justify recognizing more than one Southeast Asian species of Scleropages and that divergent haplotypes used to distinguish the color strains into isolated species were found within a single color strain, contradicting the findings. They are considered monotypic, consisting of closely related haplotypes based on color. The ancestor of the Australian arowanas: S. jardinii and S. leichardti, diverged from the ancestor of the Asian arowanas about 140 million years ago, during the Early Cretaceous period. The morphological similarity of all seven species shows that little evolutionary change has taken place recently for these ancient fish. The genus had a much wider distribution during the early Cenozoic, with fossil remains known from the Paleocene of Niger and Belgium, and from the Eocene of China.
The delta smelt is an endangered slender-bodied smelt, about 5 to 7 cm long, in the family Osmeridae. Endemic to the upper Sacramento-San Joaquin Estuary of California, it mainly inhabits the freshwater-saltwater mixing zone of the estuary, except during its spawning season, when it migrates upstream to fresh water following winter "first flush" flow events. It functions as an indicator species for the overall health of the Delta's ecosystem.
Bathylagus antarcticus, the Antarctic deep-sea smelt, is a deep-sea smelt found around the Southern Ocean as far south as Antarctica, to depths of 4,000 metres (13,000 ft). This species grows to a length of 14 centimetres (5.5 in) SL.
Coryphaenoides is a genus of rattails which is found in all oceans of the world. They are found in deep waters and C. yaquinae, recorded to 7,012 m (23,005 ft), is the only member in the family known from the hadal zone.
Mastacembelus is a genus of many species of spiny eel fish from the family Mastacembelidae. They are native to Africa and Asia. Most are found in rivers and associated systems, but there are also species in other freshwater habitats and a particularly rich radiation is found in the Lake Tanganyika basin with 15 species. A few species can even occur in brackish water.
The goiter blacksmelt is a species of deep-sea smelt found in the North Atlantic Ocean. It is the biomass-dominant pelagic fish over the Mid-Atlantic Ridge when the entire water column is fully considered. The water-column in which it resides is 500 to 3,237 m deep. No topographic trapping can be performed on the species as they do not vertically migrate. This species grows to a length of 13 cm (5.1 in).
Prototroctes is a genus of New Zealand smelts containing one species native to Australia and another, now extinct, species that was native to New Zealand.
Conocara is a genus of slickheads found in the deep waters of the oceans.
Argentina is a genus of fishes in the family Argentinidae.
Glossanodon is a genus of fishes in the family Argentinidae.
Bathylagichthys is a species of deep-sea smelts.
Dolicholagus longirostris, the longsnout blacksmelt, is a species of deep-sea smelt found circumglobally in deep waters of the tropics and subtropics. It is found at depths of 200 to 945 m. This species grows to a length of 17.5 cm (6.9 in).
Melanolagus bericoides, the bigscale deep-sea smelt, is a species of deep-sea smelt found in tropical and subtropical oceans to a depth of 1,700 m (5,600 ft). This species grows to a length of 20 cm (7.9 in). Its original name is Scopelus bericoides Borodin 1929 and it belongs to the family Melanolagus Kobyliansky, 1986.
Nansenia is a genus of pencil smelts.
Chlorophthalmus is a genus of greeneyes
Scopelogadus is a genus of ridgeheads. The generic name derives from the Greek σκόπελος and γάδος.
Parapercis is a genus of sandperches belonging to the fish family Pinguipedidae.
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