| Bigeye rockling | |
|---|---|
 | |
| Illustration from The fishes of Great Britain and Ireland (1880–1884), bigeye rockling in the top right. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gadiformes |
| Family: | Lotidae |
| Genus: | Gaidropsarus |
| Species: | G. macrophthalmus |
| Binomial name | |
| Gaidropsarus macrophthalmus (Günther, 1867) | |
| Synonyms [2] | |
| |
The bigeye rockling (Gaidropsarus macrophthalmus) is a species of fish in the family Lotidae. [3] [4] [5] [6] [7]
The bigeye rockling's maximum length is 25 cm (9.8 in). [2] It is silvery-pink in colour, its back mottled with medium brown, and the eyes more than half the length of its snout. [8] The first dorsal spine is followed by fleshy filaments. There is one barbel on the lower jaw and two on the snout. The upper jaw has long pointed teeth. [9] [10]
Bigeye rockling live in the northeastern Atlantic Ocean. [11] It is demersal, living at depths of 150–530 m (490–1,740 ft). [12]
Bigeye rockling feed on crustaceans. [9] It breeds in early spring. [8]
The common ling, also known as the white ling or simply the ling, is a large member of the family Lotidae, a group of cod-like fishes. It resembles the related rocklings, but it is much larger and has a single barbel. This species is unrelated to the pink ling, Genypterus blacodes, from the Southern Hemisphere. The common ling is found in the northern Atlantic, mainly off Europe, and into the Mediterranean Basin. It is an important quarry species for fisheries, especially in the northeastern Atlantic, although some doubts exist as to the sustainability of the fisheries. As an edible species, it is eaten fresh, frozen, or dried, but also preserved in lye, while the roe is a delicacy in Spain.
The bigeye sand tiger is an extremely rare species of mackerel shark in the family Odontaspididae, with a possible worldwide distribution. A large, bulky species reaching at least 3.6 m (12 ft) in length, the bigeye sand tiger has a long bulbous snout, large orange eyes without nictitating membranes, and a capacious mouth with the narrow teeth prominently exposed. It can be distinguished from the similar smalltooth sand tiger by its teeth, which have only one lateral cusplet on each side, and by its uniformly dark brown color.
The three-bearded rockling is found in European waters from the central Norwegian coast and the Faroe Islands, through the North Sea, and around the British Isles to the region around the western Mediterranean. They can grow to a maximum length of 60 cm (2 ft). Their coloration varies from dusky to pale, with large chocolate-brown spots on the head and body, and fin coloration varies with location. They also may have xanthochromism, which is colour condition characterized by overt of yellow-orange-red pigmentation, because of high levels of xanthophores in the skin. Three barbels, one on the bottom jaw and two on the snout, provide the fish with its common name.
The shore rockling is a mottled brown, small, elongated fish. This eel-like fish has three barbels on its head, with the second dorsal fin and the anal fin running the length of most of its body. These fins may be viewed moving in a continuous wave motion.
Gaidropsarus is a genus of lotid fishes, with these currently recognized species:
Trachyrincus scabrus, the roughsnout grenadier or Mediterranean longsnout grenadier, is a species of bathydemersal marine fish from the subfamily Trachyrincinae, part of the family Macrouridae. It is found in the eastern Atlantic Ocean and the Mediterranean.
Merluccius hernandezi, the Cortez hake, is a species of fish from the family Merlucciidae, the true hakes. It is endemic to the Gulf of California where it can be found in the epipelagic and mesopelagic zones over the continental shelf, open sea, and sea mounts, to a depth of around 300m. It is a small species which has been referred to as a "dwarf hake" and is of little interest to fisheries, other than small scale local fisheries. It was described in 1985 and small hake in the Gulf of California were previously considered to be Panama hakes. This species differs from the Panama hake in that in juveniles the caudal fin has a central lobe and is truncate in adults, whereas the caudal fin is emarginate in the Panama hake, its pectoral fin projects well beyond the anus in but does not do so in the Panama hake.
Merluccius polli, the Benguela hake, is a species of fish from the family Merlucciidae, the true hakes. It is found in the tropical waters of the eastern Atlantic Ocean off the west coast of Africa.
The roughnose grenadier is a species of fish in the subfamily Macrourinae (rat-tails). The species is named for Sir John Murray.
The spearsnouted grenadier is a species of fish in the family Macrouridae.
The common Atlantic grenadier is a species of fish in the family Macrouridae.
Murray's smooth-head, also called Murray's slickhead, is a species of fish in the family Alepocephalidae.
The Arctic rockling, also called the silver rockling or Arctic threebeard, is a species of fish in the family Lotidae.
Günther's grenadier is a species of deep-sea fish in the family Macrouridae.
Rouleina attrita, the softskin smooth-head or softskin slickhead, is a species of fish in the family Alepocephalidae.
The longfin smooth-head is a species of fish in the family Alepocephalidae.
The multipore searsid is a species of fish in the family Platytroctidae (tubeshoulders).
Maul's searsid, also called Maul's tubeshoulder, is a species of fish in the family Platytroctidae (tubeshoulders), named for Günther Maul.
Stomias boa, also known as the boa dragonfish, scaly dragonfish, dragon-boa or boa scaly dragonfish, is a species of deep-sea fish in the family Stomiidae. It is found at great depths worldwide in tropical to temperate oceans but is absent from the northern Pacific and northwest Atlantic Oceans.
Lyconus brachycolus is a species of hake fish in the family Merlucciidae.
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