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Oreosomatidae

provided by wikipedia EN

The oreos are a family, the Oreosomatidae, of marine fish. Most species are found in the Southern Hemisphere, inhabiting continental slopes down to about 1,000 m (3,300 ft) deep.[2] Most of then are 43 cm at most, with the largest species reaching a length of 60 cm. Though they are small, they often have incredibly elongated lifespans, probable result of living in the deep sea (a trait shared with other unrelated fishes like the Orange Roughy) with the Warty oreo being able to live up to 210 years, which puts it at one of the longest living vertebrates on Earth. They borrow their name from the Greek oreos (mountain) and somas (backs) for the shape of their backs. They are very flattened vertically-laterally, with 5 to 8 rays in their dorsal fin, and 2 to 4 in the anal fin, and only 1 spine in the pelvic fins. The upper part of the mouth is protractile, allowing them to snatch up little fishes, copepods, amphypods, shrimp, krill, and small cephalopods, their main diet.

References

  1. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Oreosomatidae" in FishBase. October 2012 version.
  2. ^ Karrer, C. & John H-C. (1998). Paxton, J.R. & Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. pp. 166–167. ISBN 0-12-547665-5.
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Oreosomatidae: Brief Summary

provided by wikipedia EN

The oreos are a family, the Oreosomatidae, of marine fish. Most species are found in the Southern Hemisphere, inhabiting continental slopes down to about 1,000 m (3,300 ft) deep. Most of then are 43 cm at most, with the largest species reaching a length of 60 cm. Though they are small, they often have incredibly elongated lifespans, probable result of living in the deep sea (a trait shared with other unrelated fishes like the Orange Roughy) with the Warty oreo being able to live up to 210 years, which puts it at one of the longest living vertebrates on Earth. They borrow their name from the Greek oreos (mountain) and somas (backs) for the shape of their backs. They are very flattened vertically-laterally, with 5 to 8 rays in their dorsal fin, and 2 to 4 in the anal fin, and only 1 spine in the pelvic fins. The upper part of the mouth is protractile, allowing them to snatch up little fishes, copepods, amphypods, shrimp, krill, and small cephalopods, their main diet.

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Distribution

provided by World Register of Marine Species
Distribution: Antarctic, Atlantic, Indian, and Pacific (reported primarily off South Africa and southern Australia). Very deep-bodied and compressed. Mouth superior; protractile. Small cycloid or ctenoid scales. Body of young bear conical scutes in some parts. A single spine on pelvic fin; soft rays 5-7. Spines in dorsal fin 5-8; soft rays 29-35. Anal fin spines 2-4; soft rays 28-33.
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bibliographic citation
MASDEA (1997).
contributor
Edward Vanden Berghe [email]