Beaked salmon | |
---|---|
Gonorynchus gonorynchus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Gonorynchiformes |
Family: | Gonorynchidae |
Genus: | Gonorynchus Scopoli ex Gronow, 1777 |
Type species | |
Cyprinus gonorynchus Linnaeus, 1766 |
Gonorynchus is a genus of long thin gonorynchiform ray-finned fish, commonly called beaked salmon or beaked sandfish. They live on sandy bottoms near shorelines of the temperate & subtropical Southern Hemisphere and East Asia. There are five known extant species which are placed in this genus. [1] All have a distinctive angular snout (hence the name) that the fish use to dig themselves into the sand. A swim bladder is absent. [2]
They are the last surviving members of the ancient family Gonorynchidae, which was much more diverse in the past. Unlike other gonorynchids, there have been no known fossil remains of Gonorynchus identified, although they are assumed to have diverged from their closest relative (the extinct Notogoneus ) during the Albian stage of the Early Cretaceous. [3]
The most widespread species is Gonorynchus gonorynchus , found in scattered locations worldwide. It can reach up to 60 cm (24 in) in length. It is a nocturnal fish, feeding on invertebrates at night and burrowing into sand or mud during the day.
Beaked salmon are fished commercially in some areas. The flesh of Gonorynchus greyi , found around Australia and New Zealand, is reported to be "firm and of good flavour". [4]
Source: [5]
The Gonorynchiformes are an order of ray-finned fish that includes the important food source, the milkfish, and a number of lesser-known types, both marine and freshwater.
The milkfish is a widespread species of ray-finned fish found throughout the Indo-Pacific. It is the sole living species in the family Chanidae, and the only living member of the genus Chanos. The repeating scientific name (tautonym) is from Greek khanos.
Chanidae is a family of fishes which has a number of fossil genera and one monotypic extant genus which contains the milkfish.
Gonorynchidae is a family of ray-finned fish in the order Gonorynchiformes, which has a number of fossil taxa and one extant genus, Gonorynchus, the beaked salmons. They are an ancient group, with fossils known from as far back as the Albian stage of the Early Cretaceous.
Mitsukurinidae is a family of sharks with one living genus, Mitsukurina, and four fossil genera: Anomotodon, Protoscapanorhynchus, Scapanorhynchus, and Woellsteinia, though some taxonomists consider Scapanorhynchus to be a synonym of Mitsukurina. The only known living species is the goblin shark, Mitsukurina owstoni.
Ostariophysi is the second-largest superorder of fish. Members of this superorder are called ostariophysians. This diverse group contains 10,758 species, about 28% of known fish species in the world and 68% of freshwater species, and are present on all continents except Antarctica. They have a number of common characteristics such as an alarm substance and a Weberian apparatus. Members of this group include fish important to people for food, sport, the aquarium industry, and research.
Glass knifefishes are fishes in the family Sternopygidae in the order Gymnotiformes. Species are also known as rattail knifefishes.
Gonorynchus gonorynchus is a species of fish in the family Gonorynchidae, found on temperate continental shelves worldwide. Common names for this fish include mousefish, ratfish, sandfish, and sand eel.
Opsaridium is a genus of cyprinid fish found in Africa. Currently, 12 species are in this genus.
The Kneriidae are a small family of freshwater gonorhynchiform fishes native to sub-Saharan Africa.
Charitopsis is an extinct genus of prehistoric marine ray-finned fish that lived during the lower Cenomanian. It was a relative of modern beaked salmons. It contains a single species, C. spinosus from the Sannine Formation of Lebanon. It is possibly related to the sympatric gonorynchid Charitosomus, although some anatomical traits are more similar to the Cenozoic gonorynchids.
Dastilbe is an extinct genus of prehistoric marine & freshwater ray-finned fish from the Early Cretaceous of Brazil. It was a relative of modern milkfish.
Coelogaster is an extinct genus of marine ray-finned fish that lived during the early Eocene. It contains a single species, C. leptostea, known from the famous Monte Bolca site of Italy.
Aethalionopsis is an extinct genus of prehistoric freshwater bony fish from the Early Cretaceous of western Europe. Formerly classified as a species of the elopiform Anaethalion, it is now known to be a relative of the modern milkfish (Chanos) in order Gonorhynchiformes. It was previously placed as a basal member of the suborder Chanoidei, but is now more often placed as a basal member of the subfamily Chaninae of the family Chanidae, placing it closer to the extant Chanos.
Anaethalion is an extinct genus of prehistoric marine and freshwater ray-finned fish related to modern tarpons and ladyfish. It is known from the Late Jurassic to the Early Cretaceous of Europe and northeasterrn Asia, roughly encompassing the Tethys Ocean.
Charitosomus is an extinct genus of prehistoric marine ray-finned fish from the Late Cretaceous, related to modern beaked salmons. They were nektonic carnivores in life.
Caeus is an extinct genus of prehistoric marine ray-finned fish, closely related to the modern milkfish. It contains a single species, C. leopoldi from the Early Cretaceous of the Pietraroja Plattenkalk, Italy. It is one of the largest teleosts known from the Pietraroja formation, and is known by only a single specimen.
An anchovy is a small, common forage fish of the family Engraulidae. Most species are found in marine waters, but several will enter brackish water, and some in South America are restricted to fresh water.
Tariqilabeo bicornis, the bihorned barbel, is a species of fish in the family Cyprinidae. This fish reaches up to 15 or 16 centimeters in length. It is found in the upper Salween River in Yunnan, Thailand and Myanmar.
Crossocheilus periyarensis is a species of fish in the family Cyprinidae. This species is only found in Periyar River in Kerala, India.
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