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Image of peaked deep-sea shrimp

Peaked Deep Sea Shrimp

Acanthephyra curtirostris Wood-Mason 1891

Look Alikes

provided by Invertebrates of the Salish Sea
How to Distinguish from Similar Species: This species looks rather similar to the rare A. brevirostris and A. chacei, and to A. smithi, which grows larger, is found farther south, and has a more acute rostrum. Few other species have the distinctively shaped rostrum.
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Rosario Beach Marine Laboratory
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Dave Cowles
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Invertebrates of the Salish Sea

Habitat

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Midwater
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Rosario Beach Marine Laboratory
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Dave Cowles
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Invertebrates of the Salish Sea

Distribution

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Geographical Range: Worldwide at lower latitudes; to 51 degrees north in the Eastern Pacific.
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Rosario Beach Marine Laboratory
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Dave Cowles
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Invertebrates of the Salish Sea

Habitat

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Depth Range: Deep midwater, 200 - 2200 m
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Rosario Beach Marine Laboratory
editor
Dave Cowles
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Invertebrates of the Salish Sea

Comprehensive Description

provided by Invertebrates of the Salish Sea
This is a true shrimp from the family Oplophoridae, which lives in deep midwater offshore. True shrimp have the second abdominal epimera overlapping that of segment 1 and 2. Family Oplophoridae is almost entirely midwater, has exopodites on its pereopods, and pereopods 1 and 2 are longer and more stout than the others. Acanthephyra curtirostris is an all-red shrimp which has a median dorsal ridge on abdominal segment 6 but not on segment 1. It has a blunt rostrum as in the photo above. The second somite of the abdomen is dorsally carinate. The dorsal carina on the carapace does not extend back onto the posterior third of the carapace. The branchiostegal spine is supported by a carina which extends to the posterior half of the branchial region. The rostrum is triangular and drawn out into a sharp point. The telson has 7 to 15 dorsolateral spines. Up to about 79 mm total length.
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Rosario Beach Marine Laboratory
editor
Dave Cowles
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Invertebrates of the Salish Sea

Comprehensive Description

provided by Invertebrates of the Salish Sea
Biology/Natural History: This bathypelagic midwater shrimp is an active, steady swimming predator but does not vertically migrate. A cosmopolitan species at tropical and subtropical latitudes, there is substantial genetic distance between populations separated by large geographical distances. It is less common this far north than it is in tropical and subtropical waters.
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cc-by-nc-sa
copyright
Rosario Beach Marine Laboratory
editor
Dave Cowles
provider
Invertebrates of the Salish Sea

Depth range

provided by World Register of Marine Species
Pelagic or bathypelagic

Reference

Poupin, J. (2018). Les Crustacés décapodes des Petites Antilles: Avec de nouvelles observations pour Saint-Martin, la Guadeloupe et la Martinique. Muséum national d'Histoire naturelle, Paris, 264 p. (Patrimoines naturels ; 77).

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Habitat

provided by World Register of Marine Species
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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copyright
WoRMS Editorial Board
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[email]