| Nansenia oblita | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Argentiniformes |
| Family: | Microstomatidae |
| Genus: | Nansenia |
| Species: | N. oblita |
| Binomial name | |
| Nansenia oblita (Facciolà, 1887) | |
| Synonyms [2] | |
| |
Nansenia oblita, also called the forgotten argentine (from the specific name oblita, "forgotten") or the Mediterranean large-eyed argentine, is a species of fish in the pencil smelt family (Microstomatidae). [3] [4] [5]
Nansenia oblita is silvery in colour. Its length is maximum 18 cm (7.1 in). It has 10 or 11 dorsal soft rays, 9 or 10 anal soft rays, 28–30 gill rakers, 42–45 vertebrae, and 4 branchiostegal rays. [6] The proximal part of the adipose fin is unpigmented and its entire body is covered with guanine. [7] The base of the caudal and procurrent caudal-fin rays are pigmented. [8]
Nansenia oblita is pelagic, living in the northwest and eastern Atlantic Ocean, western Mediterranean Sea and Adriatic Sea at depths of 300–500 m (980–1,640 ft). It is commonly found off Messina, Sicily. [9]
It spawns during winter in the Mediterranean, perhaps later in the Atlantic. [6] It lays spherical eggs of about 1.5 mm (0.059 in) diameter. [10] It feeds on zooplankton. [3]
The Atlantic horse mackerel, also known as the European horse mackerel or common scad, is a species of jack mackerel in the family Carangidae, the jacks, pompanos and trevallies. It is found in the eastern Atlantic Ocean off Europe and Africa and into the south-eastern Indian Ocean. It is an important species in commercial fisheries and is listed as a Vulnerable species on The IUCN Red List of Threatened Species.
The Atlantic sawtail catshark is a little-known species of catshark, part of the family Scyliorhinidae, found in a small area of the northeastern Atlantic Ocean, centered on the Strait of Gibraltar and the Alborán Sea. It is found on or close to the bottom over the continental slope, mostly at depths of 400–600 m (1,300–2,000 ft). This shark closely resembles, and was once thought to be the same species as, the blackmouth catshark ; both are slender with a series of dark saddles and blotches along the back and tail, and a prominent crest of enlarged dermal denticles along the dorsal edge of the caudal fin. It differs subtly from G. melastomus in characters including snout length, caudal peduncle depth, and the color of the furrows at the corner of its mouth.
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The Greenland argentine or large-eyed argentine is a species of pencil smelt fish.
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The black seasnail is a species of fish in the family Liparidae (snailfish).
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Schnakenbeck's searsid is a species of fish in the family Platytroctidae (tubeshoulders).
The rendezvous fish is a species of fish in the family Phosichthyidae (lightfish).
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The longfin smooth-head is a species of fish in the family Alepocephalidae.
The deepwater ray, also called the deepwater skate or abyssal skate, is a species of skate in the family Rajidae.
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.
The spiny scorpionfish is a subspecies of fish in the family Scorpaenidae.
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