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Overview

Brief Summary

The Red Dory (Cyttopsis rosea) is a small (to 15 cm) marine fish found in the western Atlantic (from the southeastern United States and northern Gulf of Mexico to the western Caribbean), eastern Atlantic (from northwestern Spain to Morocco and south to southern Africa), and Indo-west Pacific (from India to Japan). Its scientific and common names refer to its overall reddish color. The Red Dory’s body is deep and strongly compressed and covered with small cycloid scales, There are 7 spines in the dorsal fin and 2 spines in the anal fin. Bony scutes are present on the chest and belly, the larger ones bearing spines. (Robins and Ray 1986; FNAM online).

Red Dories are abundant between 330 and 690 m depth (Robins et al. 1986). They are usually found swimming in schools in mid-water or near the bottom (FNAM online). They have a large mouth that can be extended out to capture prey. The diet consists mainly of other fish and swimming decapod crustaceans. At least in waters of the tropical eastern Atlantic, reproduction occurs in the spring. (FNAM online)

  • Robins, C. R. and G.C. Ray. (1986). A Field Guide to Atlantic Coast Fishes of North America. Houghton Mifflin, Boston.
  • Fishes of the NE Atlantic and Mediterranean (FNAM): Marine Species Identification Portal. Red dory - Cyttopsis roseus. Online updated version of the 3 volume work by P.J.P. Whitehead, M.-L. Bauchot, J.C. Hureau, J. Nielsen, and E. Tortonese published in 1984 and 1986.
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Comprehensive Description

Biology

Occurs on the continental slope (Ref. 75154). Bathypelagic (Ref. 5951). Forms schools. Feeds on other fishes and swimming decapod crustaceans (Ref. 4968).
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Distribution

Western Atlantic: 42.95°N and northern Gulf of Mexico to western Caribbean; northern coast of South America
  • North-West Atlantic Ocean species (NWARMS)
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Western Atlantic: Canada (Ref. 5951) to southeastern USA and northern Gulf of Mexico to western Caribbean (Ref. 7251); northern coast of South America (Ref. 5217). Eastern Atlantic: Bay of Biscay round the South African coast to Natal. Indian Ocean: Somalia (Ref. 30573) and off the south-west coast of India. Western Pacific: off Japan, eastern Australia (Ref. 7300) and New Zealand (Ref. 5755).
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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Global Range: Western and eastern Atlantic, Gulf of Mexico, Caribbean region, and Indo-west Pacific (Robins and Ray 1986).

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Atlantic and Indo-West Pacific.
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Physical Description

Morphology

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 28 - 30; Anal spines: 1 - 2; Analsoft rays: 29 - 30
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Size

Maximum size: 310 mm TL
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Max. size

31.0 cm TL (male/unsexed; (Ref. 6953))
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Diagnostic Description

Rosy pink and silvery in color; pelvic fins reddish with black membranes (Ref. 4253). Mouth large, oblique, highly protrusible; anteriorly directing spine in a series on supraorbital; pelvic fin spine soft, flexible; pelvic fin soft rays long, the longest reaching 5th anal ray when depressed; 1st anal spine large and immovable, 2nd one small and moveable (Ref. 13608).
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Type Information

Type for Cyttopsis rosea
Catalog Number: USNM 50562
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration; Radiograph; Photograph
Locality: Suruga Bay, Japan, Honshu, Shizuoka Prefecture, Japan, Pacific
Vessel: Albatross
  • Type: Jordan, D. S. & Fowler, H. W. 1902. Proceedings of the United States National Museum. 25 (1305): 945, fig. 4.
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Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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nektonic
  • North-West Atlantic Ocean species (NWARMS)
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depth range 150 - 730 m
  • North-West Atlantic Ocean species (NWARMS)
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Environment

bathypelagic; marine; depth range 150 - 730 m (Ref. 9563), usually 330 - 690 m (Ref. 7251)
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Depth range based on 106 specimens in 1 taxon.
Water temperature and chemistry ranges based on 71 samples.

Environmental ranges
  Depth range (m): 137.5 - 668
  Temperature range (°C): 7.615 - 15.777
  Nitrate (umol/L): 7.303 - 30.197
  Salinity (PPS): 34.636 - 36.146
  Oxygen (ml/l): 0.875 - 5.638
  Phosphate (umol/l): 0.391 - 2.336
  Silicate (umol/l): 2.835 - 34.040

Graphical representation

Depth range (m): 137.5 - 668

Temperature range (°C): 7.615 - 15.777

Nitrate (umol/L): 7.303 - 30.197

Salinity (PPS): 34.636 - 36.146

Oxygen (ml/l): 0.875 - 5.638

Phosphate (umol/l): 0.391 - 2.336

Silicate (umol/l): 2.835 - 34.040
 
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Habitat Type: Marine

Comments: "Abundant in 330-690 m" (Robins and Ray 1986). Reported from depths shallower than 200 m off southeastern Canada (Robins et al. 1991).

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Depth: 150 - 730m.
From 150 to 730 meters.

Habitat: bathypelagic.
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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Trophic Strategy

Occurs on the continental slope (Ref. 75154). Bathypelagic (Ref. 5951). Forms schools. Feeds on other fishes and swimming decapod crustaceans (Ref. 4968).
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Comments: Eats small fishes and shrimps (Robins and Ray 1986).

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Life History and Behavior

Behavior

Diet

Feeds on other fishes and swimming decapod crustaceans
  • North-West Atlantic Ocean species (NWARMS)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Cyttopsis rosea

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Cyttopsis rosea

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 7
Specimens with Barcodes: 17
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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