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Bighead Grenadier

Coryphaenoides rudis Günther 1878

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Diagnostic Description

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Head large, completely scaled except for the exposed posterior end of the preopercle and gill membranes. Snout short, bluntly pointed. No suborbital ridge developed; scales spinules numerous, small, sharp, conical, in irregularly divergent to roughly quincunx pattern. Pyloric caeca 12 to 16. Overall color is brown or grayish brown; fins somewhat darker.
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Recorder
Rodolfo B. Reyes
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Morphology

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Dorsal spines (total): 2; Analspines: 0
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Trophic Strategy

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Found on the continental slope (Ref. 75154). Feeds on cephalopods, at least at larger sizes.
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Drina Sta. Iglesia
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Biology

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Feeds on cephalopods, at least at larger sizes.
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Estelita Emily Capuli
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Importance

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fisheries: of potential interest
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Rudis rattail

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The rudis rattail, Coryphaenoides rudis, is a fish of the family Macrouridae, found around the world in tropical and subtropical oceans, at depths between 600 and 2,300 m. Its length is between 30 and 40 cm, although FishBase gives lengths of up to 1.1 m.

References

  1. ^ Iwamoto, T. (2015). "Coryphaenoides rudis". The IUCN Red List of Threatened Species. 2015: e.T60469866A60792060. doi:10.2305/IUCN.UK.2015-4.RLTS.T60469866A60792060.en.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2018). "Coryphaenoides rudis" in FishBase. February 2018 version.
  • Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8
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Rudis rattail: Brief Summary

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The rudis rattail, Coryphaenoides rudis, is a fish of the family Macrouridae, found around the world in tropical and subtropical oceans, at depths between 600 and 2,300 m. Its length is between 30 and 40 cm, although FishBase gives lengths of up to 1.1 m.

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Habitat

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Known from seamounts and knolls

Reference

Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.

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