| Nvichia | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Stichaeidae |
| Subfamily: | Xiphisterinae |
| Genus: | † Nvichia Nazarkin, 1998 [1] |
| Species: | †N. makushoki |
| Binomial name | |
| †Nvichia makushoki Nazarkin, 1998 | |
Nvichia is an extinct genus of ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. Its only species Nvichia makushoki was found in Miocene deposits on Sakhalin. [1]
The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific Ocean. This isolation also affects faunal diversity and salinity, both of which are lower than in the open ocean. The sea has no large islands, bays or capes. Its water balance is mostly determined by the inflow and outflow through the straits connecting it to the neighboring seas and the Pacific Ocean. Few rivers discharge into the sea and their total contribution to the water exchange is within 1%.
A viperfish is any species of marine fish in the genus Chauliodus. Viperfishes are mostly found in the mesopelagic zone and are characterized by long, needle-like teeth and hinged lower jaws. A typical viperfish grows to lengths of 30 cm (12 in). Viperfishes undergo diel vertical migration and are found all around the world in tropical and temperate oceans. Viperfishes are capable of bioluminescence and possess photophores along the ventral side of their body, likely used to camouflage them by blending in with the less than 1% of light that reaches to below 200 meters depth.
Stichaeidae, the pricklebacks or shannies, are a family of marine ray-finned fishes in the suborder Zoarcoidei of the order Scorpaeniformes. Most species are found in the North Pacific Ocean with a few in the North Atlantic Ocean.
Scomber is a genus of ray-finned fish in the family Scombridae living in the open ocean found in Atlantic, Indian and Pacific Ocean. The genus Scomber and the genus Rastrelliger comprise the tribe Scombrini, known as the "true mackerels". These fishes have an elongated body, highly streamlined, muscular and agile. The eyes are large, the head is elongated, with a big mouth provided with teeth. They have two triangular dorsal fins, with some stabilizing fins along the caudal peduncle. The basic color is blue-green with a silvery white belly and a darker back, usually black mottled.
The Sakhalin Island Arc is an ancient volcanic arc dating from the Early Miocene. The arc was a result of the Okhotsk Plate subducting beneath the Eurasian Plate in the convergence zone. The arc runs from mainland Asia through Sakhalin Island into central Hokkaido and the collision zone around the Daisetsuzan Volcanic Group, where the Kuril Island Arc and the Northeastern Japan Arc meet.
Brygmophyseter, known as the biting sperm whale, is an extinct genus of toothed whale in the sperm whale family with one species, B. shigensis. When it was first described in 1994, the species was placed in the genus Scaldicetus based on tooth morphology, but this was later revised in 1995. In 2006, it was classified into the genus Naganocetus, which is considered to be a junior synonym. The only known specimen, a nearly complete skeleton, was dated to be around 16–15 million years old. Brygmophyseter is thought to have been 6.5–7 meters (21–23 ft) long, and it probably had 11 or 12 teeth in the upper and lower jaws. Brygmophyseter is part of a group of macroraptorial sperm whales which tended to be apex predators using their large teeth to catch struggling prey such as whales. It had a spermaceti organ which was probably used for biosonar like in the modern sperm whale. The whale has made an appearance on The History Channel's TV series Jurassic Fight Club.
Ernogrammus is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the North Pacific Ocean.
Polymerichthys is an extinct genus of superficially eel-like aulopiform fish known from the late Oligocene to the middle-late Miocene. It contains a single described species, P. nagurai from the Middle Miocene of Japan, though several indeterminate specimens are also known from Russia and Italy.
The stippled gunnel is a species of marine ray-finned fish belonging to the family Pholidae, the gunnels. It is the only species in the monospecific genus Rhodymenichthys. It is found in the northern North Pacific Ocean.
Eulophiidae, the spinous eelpouts, is a small family of marine ray-finned fishes classified within the suborder Zoarcoidei of the order Scorpaeniformes. They are found in the northwestern Pacific Ocean.
Stichaeinae 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, Arctic and North Atlantic Oceans.
The radiated shanny is a species of marine ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. It is the only species in the monotypic genus Ulvaria. This fish is found in the northwestern Atlantic Ocean.
Stichaeus is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks or shannies. These fishes are mainly found in the North Pacific Ocean with one species in the Arctic and western North Atlantic Oceans.
Stichaeopsis is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the western North Pacific Ocean.
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.
Askoldia is a monotypic genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks and shannies. Its only species is Askoldia variegata which is found in the northwestern Pacific Ocean.
Soldatovia is a monospecific genus of marine ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. Its only species is Soldatovia polyactocephala, found in the northwestern Pacific Ocean.
Xiphisterinae 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.
The lesser prickleback is a species of marine ray-finned fish belonging to the family Stichaeidae, which includes the pricklebacks and shannies. It is the only species in the monospecific genus Alectridium which is found in the northern Pacific Ocean. It’s worth noting that sometimes, the lesser prickleback has also been called the North Pacific prickleback, because it is mostly found in these waters.
Salvelinus vasiljevae, commonly known as Sakhalinian char, is a species of freshwater fish in the salmon family. It is found in the wider Sakhalin region from Nevelskoy Strait and the Amur river basin.
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