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Anoplopomatidae
Anoplopomatidae, the sablefishes, are a small family of ray-finned fishes classified within the order Scorpaeniformes. This family is the only family in the monotypic superfamily Anoplopomatoidea. These fishes are found in the North Pacific Ocean. Taxonomy Anoplopomatidae was first proposed as a family in 1883 by the American ichthyologists David Starr Jordan and Charles Henry Gilbert. In 1965 Jay C. Quast proposed that the sablefishes were so different from other members of the Cottoidei that they should be classified within their own superfamily, the Anoplopomatoidea. The 5th edition of ''Fishes of the World'' classifies this superfamily within the suborder Cottoidei of the order Scorpaeniformes. However, other authorities place it within the infraorder Anoplopomatales which is close to the infraorder Zoarcales at the base of the Cottoidei within the order Perciformes. Genera Anoplopomatidae contains two monospecific genera: Characteristics Anoplopomatidae fishes have h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anoplopomatidae
Anoplopomatidae, the sablefishes, are a small family of ray-finned fishes classified within the order Scorpaeniformes. This family is the only family in the monotypic superfamily Anoplopomatoidea. These fishes are found in the North Pacific Ocean. Taxonomy Anoplopomatidae was first proposed as a family in 1883 by the American ichthyologists David Starr Jordan and Charles Henry Gilbert. In 1965 Jay C. Quast proposed that the sablefishes were so different from other members of the Cottoidei that they should be classified within their own superfamily, the Anoplopomatoidea. The 5th edition of ''Fishes of the World'' classifies this superfamily within the suborder Cottoidei of the order Scorpaeniformes. However, other authorities place it within the infraorder Anoplopomatales which is close to the infraorder Zoarcales at the base of the Cottoidei within the order Perciformes. Genera Anoplopomatidae contains two monospecific genera: Characteristics Anoplopomatidae fishes have h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skilfish
The skilfish (''Erilepis zonifer'') is a species of ray-finned fish, one of two species belonging to the family Anoplopomatidae and the only species in the genus ''Erilepis''. It is also known as black cod, though they have no relation to cod, family Gadidae, and sable fish or sablefish, which is a name commonly used for other species in the family Anoplopomatidae. Found on deep rocky bottoms in the North Pacific at depths of up to 440 metres, they can reach up to 1.83 metres in length and weigh up to 91 kilograms. Young fish display striking white blotches on their body, however their colour changes to dark grey with maturity, and the bright markings become duller and less visible as they grow, similar to the Tiger shark's stripes. Description Skilfish are large and bulky fish, which bear a resemblance to the wreckfish in the family Polyprionid, and the groupers or sea bass in the family Serranidae, although skilfish are not related to any of those families. They are very lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sablefish
The sablefish (''Anoplopoma fimbria'') is one of two members of the fish family Anoplopomatidae and the only species in the genus ''Anoplopoma''. In English, common names for it include sable (US), butterfish (US), black cod (US, UK, Canada), blue cod (UK), bluefish (UK), candlefish (UK), coal cod (UK), snowfish (; Thailand), coalfish (Canada), beshow, and skil (Canada), although many of these names also refer to other, unrelated, species. The US Food and Drug Administration accepts only "sablefish" as the Acceptable Market Name in the United States; "black cod" is considered a vernacular (regional) name and should not be used as a Statement of Identity for this species. The sablefish is found in muddy sea beds in the North Pacific Ocean at depths of and is commercially important to Japan. Description The sablefish is a species of deep-sea fish common to the North Pacific Ocean. Adult sablefish are opportunistic feeders, preying on fish, including Alaskan pollock, eulachon, ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cottoidei
Cottoidei is a suborder of ray-finned fishes which, according to the 5th edition of ''Fishes of the World'', is placed within the order Scorpaeniformes, alongside the scorpionfishes, flatheads, eelpouts,sticklebacks and related fishes. Taxonomy Cottoidei was first proposed as a taxonomic grouping in 1835 by the Swiss-American zoologist Louis Agassiz. The 5th edition of ''Fishes of the World'' classifies the Cottoidei as a suborder of the order Scorpaeniformes. Other workers have found that if the Scorpaeniformes, as delimited in ''Fishes of the World'', is not included in the Perciformes it renders the Perciformes paraphyletic. These workers retain the Cottoidei as a suborder within the Perciformes but include the zoarcoids and Sticklebacks and allies as the infraorders Zoarcales and Gasterosteales while reclassifying most the superfamilies of ''Fishes of the World'' as infraorders. Subdivisions The Cottoidei is divided into the following superfamilies and families: * Super ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scorpaeniformes
The Scorpaeniformes are a diverse order of ray-finned fish, including the lionfishes and sculpins, but have also been called the Scleroparei. It is one of the five largest orders of bony fishes by number of species, with over 1,320. They are known as "mail-cheeked" fishes due to their distinguishing characteristic, the suborbital stay: a backwards extension of the third circumorbital bone (part of the lateral head/cheek skeleton, below the eye socket) across the cheek to the pre operculum, to which it is connected in most species. Scorpaeniform fishes are carnivorous, mostly feeding on crustaceans and on smaller fish. Most species live on the sea bottom in relatively shallow waters, although species are known from deep water, from the midwater, and even from fresh water. They typically have spiny heads, and rounded pectoral and caudal fins. Most species are less than in length, but the full size range of the order varies from the velvetfishes belonging to the family Aploactin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sablefish
The sablefish (''Anoplopoma fimbria'') is one of two members of the fish family Anoplopomatidae and the only species in the genus ''Anoplopoma''. In English, common names for it include sable (US), butterfish (US), black cod (US, UK, Canada), blue cod (UK), bluefish (UK), candlefish (UK), coal cod (UK), snowfish (; Thailand), coalfish (Canada), beshow, and skil (Canada), although many of these names also refer to other, unrelated, species. The US Food and Drug Administration accepts only "sablefish" as the Acceptable Market Name in the United States; "black cod" is considered a vernacular (regional) name and should not be used as a Statement of Identity for this species. The sablefish is found in muddy sea beds in the North Pacific Ocean at depths of and is commercially important to Japan. Description The sablefish is a species of deep-sea fish common to the North Pacific Ocean. Adult sablefish are opportunistic feeders, preying on fish, including Alaskan pollock, eulachon, ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perciformes
Perciformes (), also called the Percomorpha or Acanthopteri, is an order or superorder of ray-finned fish. If considered a single order, they are the most numerous order of vertebrates, containing about 41% of all bony fish. Perciformes means "perch-like". Perciformes is an Order within the Clade Percomorpha consisting of "perch-like" Percomorphans. This group comprises over 10,000 species found in almost all aquatic ecosystems. The order contains about 160 families, which is the most of any order within the vertebrates. It is also the most variably sized order of vertebrates, ranging from the ''Schindleria brevipinguis'' to the marlin in the genus ''Makaira''. They first appeared and diversified in the Late Cretaceous. Among the well-known members of this group are perch and darters (Percidae), sea bass and groupers (Serranidae). Characteristics The dorsal and anal fins are divided into anterior spiny and posterior soft-rayed portions, which may be partially or compl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorsal Fin
A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through convergent evolution they have independently evolved external superficial fish-like body plans adapted to their marine environments, including most numerously fish, but also mammals such as cetaceans (whales, dolphins, and porpoises), and even extinct ancient marine reptiles such as various known species of ichthyosaurs. Most species have only one dorsal fin, but some have two or three. Wildlife biologists often use the distinctive nicks and wear patterns which develop on the dorsal fins of large cetaceans to identify individuals in the field. The bony or cartilaginous bones that support the base of the dorsal fin in fish are called ''pterygiophores''. Functions The main purpose of the dorsal fin is to stabilize the animal against rollin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ray-finned Fish Families
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or horny spines (rays), as opposed to the fleshy, lobed fins that characterize the class Sarcopterygii (lobe-finned fish). These actinopterygian fin rays attach directly to the proximal or basal skeletal elements, the radials, which represent the link or connection between these fins and the internal skeleton (e.g., pelvic and pectoral girdles). By species count, actinopterygians dominate the vertebrates, and they constitute nearly 99% of the over 30,000 species of fish. They are ubiquitous throughout freshwater and marine environments from the deep sea to the highest mountain streams. Extant species can range in size from ''Paedocypris'', at , to the massive ocean sunfish, at , and the long-bodied oarfish, at . The vast majority of Actinopteryg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bering Sea
The Bering Sea (, ; rus, Бе́рингово мо́ре, r=Béringovo móre) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasses on Earth: Eurasia and The Americas. It comprises a deep water basin, which then rises through a narrow slope into the shallower water above the continental shelf, continental shelves. The Bering Sea is named for Vitus Bering, a Denmark, Danish navigator in Russian service, who, in 1728, was the first European to systematically explore it, sailing from the Pacific Ocean northward to the Arctic Ocean. The Bering Sea is separated from the Gulf of Alaska by the Alaska Peninsula. It covers over and is bordered on the east and northeast by Alaska, on the west by the Russian Far East and the Kamchatka Peninsula, on the south by the Alaska Peninsula and the Aleutian Islands and on the far north by the Bering Strait, which connects the Bering Sea to the Arctic Ocean's Chukchi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Total Length
Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish measured from the tip of the snout to the posterior end of the last vertebra or to the posterior end of the midlateral portion of the hypural plate. Simply put, this measurement excludes the length of the caudal (tail) fin. * Total length (TL) is the length of a fish measured from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body. Standard length measurements are used with Teleostei (most bony fish), while total length measurements are used with Myxini (hagfish), Petromyzontiformes (lampreys), and (usually) Elasmobranchii (sharks and rays), as well as some other fishes. Total length me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lateral Line
The lateral line, also called the lateral line organ (LLO), is a system of sensory organs found in fish, used to detect movement, vibration, and pressure gradients in the surrounding water. The sensory ability is achieved via modified epithelial cells, known as hair cells, which respond to displacement caused by motion and transduce these signals into electrical impulses via excitatory synapses. Lateral lines serve an important role in schooling behavior, predation, and orientation. Fish can use their lateral line system to follow the vortices produced by fleeing prey. Lateral lines are usually visible as faint lines of pores running lengthwise down each side, from the vicinity of the gill covers to the base of the tail. In some species, the receptive organs of the lateral line have been modified to function as electroreceptors, which are organs used to detect electrical impulses, and as such, these systems remain closely linked. Most amphibian larvae and some fully aquatic adult ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
