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Hammerjaw

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Aulopiformes
Family: Omosudidae
Genus: Omosudis
Species: O. Chordates ( Phylum Chordata) are a group of Animals that includes the Vertebrates together with several closely related Invertebrates The Actinopterygii (the plural form of Actinopterygius) comprise the class of the ray-finned fishes. Aulopiformes is an order of Ray-finned fish consisting of thirteen living families of marine fish lowii
Binomial name
Omosudis lowii
Günther, 1887

The hammerjaw or omosudid, Omosudis lowii, is a small deep-sea aulopiform fish, found worldwide in tropical and temperate waters to 4,000 m (13,000 ft) depth. Albrecht Karl Ludwig Gotthilf Günther FRS (also Albert Charles Lewis Gotthilf Gunther) October 3, 1830 – February 1 Year 1887 ( MDCCCLXXXVII) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common Deep sea fish is a term for Fish that live below the Photic zone of the ocean Aulopiformes is an order of Ray-finned fish consisting of thirteen living families of marine fish Fish are aquatic Vertebrate animals that are typically ectothermic (previously Cold-blooded) covered with scales, and equipped with two It is the only representative of its family, Omosudidae (from the Greek omo, "shoulder", and Latin sudis, either "esox, fish of the Rhine" or "stake"). In Biological classification, family ( Latin Greek (el ελληνική γλώσσα or simply el ελληνικά — "Hellenic" is an Indo-European language, spoken today by 15-22 million people mainly Latin ( lingua Latīna, laˈtiːna is an Italic language, historically spoken in Latium and Ancient Rome. The Rhine (Rhein Rijn Rhin Reno Rain Rhenus is one of the longest and most important Rivers in Europe at 1320 kilometres (820 mi with an average discharge

Physical description

The large head is dominated by a massive, truncated lower jaw and large, high-set eyes. The jaw is either of the two opposable structures forming or near the entrance to the Mouth. Eyes are organs that detect Light, and send signals along the Optic nerve to the visual areas of the brain The lower jaw has a dark, almost black distal end,"chin". The lower jaw possesses at least one pair of oversized, transparent, and daggerlike teeth; the palatines possess 1–4 pairs of slightly smaller teeth. The palatine bone is a Bone in the Palate (Latin palatum; unrelated to palatium 'palace' from which other senses of Palatine derive The body itself is scaleless and laterally compressed; it is covered in iridescent, silvery-gray guanine with the dark peritoneum peaking through in places. In most biological nomenclature a scale ( Greek lepid, Latin squama) is a small rigid plate that grows out of an Animal Iridescence is an Optical phenomenon in which Hue changes with the angle from which a surface is viewed Guanine is one of the five main Nucleobases found in the Nucleic acids DNA and RNA, the others being Adenine, Cytosine, In higher Vertebrates the peritoneum is the Serous membrane that forms the lining of the abdominal cavity &mdash it covers most of the intra-abdominal Dark smoky gray dorsally, the body tapers strongly towards a thin caudal peduncle (which has a dermal keel) and deeply forked caudal fin. The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The caudal peduncle is a smoky black color, darker than the body and tail. The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved All fins are spineless; both the low-slung pectoral fins (with 11–16 soft rays) and abdominal pelvic fins (with 8 soft rays) are fairly small. In biology spine or spiny may refer to Spine (botany, needle-like structures in plants Spine (zoology, needle-like structures The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved

The single dorsal fin (with 9–12 soft rays) and anal fin (14–16 soft rays) are roughly equal in size; the anal fin's origin lies immediately posterior to the dorsal. A dorsal fin is a Fin located on the backs of some Fishes Whales Dolphins and Porpoises as well as the (extinct The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The lateral line is uninterrupted and the gill rakers number 20–25. In Fish, the lateral line is a Sense organ used to detect movement and vibration in the surrounding water The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved Like other members of their order, hammerjaws also possess a small adipose fin. This article is about the taxonomic rank for the sequence of species in a taxonomic list see Taxonomic order In scientific classification used The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The largest recorded hammerjaw measured 23 cm (9 inches) standard length (excluding the caudal fin).

Life history

Very little is known of the hammerjaw's life history. It inhabits the mesopelagic and bathypelagic zones down to 4,000 m and is never caught in large numbers. Any water in the sea that is not close to the bottom is in the pelagic zone. It is inferred from their sporadic capture and sleek morphology that hammerjaws are swift swimmers—capable of avoiding sampling nets. Hammerjaws appear to spawn year-round; like many other deep-sea aulopiform fish, they are hermaphrodites. Spawning is the production or depositing of large quantities of eggs in water A hermaphrodite is an organism having both male and female reproductive organs They are carnivorous and feed on squid and other pelagic fish; in turn, hammerjaws are known prey of lancetfish and tuna. A carnivore (ˈkɑrnɪvɔər meaning 'meat eater' ( Latin carne meaning 'flesh' and vorare meaning 'to devour' is any animal with a diet consisting Squid are marine Cephalopods of the order Teuthida, which comprises around 300 species For the United States Navy Submarine, see USS Lancetfish (SS-296 Lancetfishes are large Oceanic Predatory Tuna, are several Species of ocean-dwelling Fish in the family Scombridae, mostly in the genus Thunnus.

References

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