Overview

Comprehensive Description

Biology

Found on the upper continental slopes. Bottom temperatures range from 9.4 to 11.1°C. Probably feeds on bottom invertebrates and fishes. Ovoviviparous (Ref. 205).
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Distribution

Western Central Atlantic: Venezuela, possibly elsewhere in the Caribbean.
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Range Description

Recorded from the Gulf of Mexico and Venezuela.
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Gulf of Mexico
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Western Atlantic: Caribbean Sea off Yucatán to Venezuela.
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Physical Description

Size

Maximum size: 490 mm TL
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Max. size

49.0 cm TL (male/unsexed; (Ref. 247))
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Ecology

Habitat

Environment

bathydemersal; marine; depth range 402 - 457 m
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Habitat and Ecology

Habitat and Ecology
A rare, small, deepwater benthic shark found on the upper continental slope at depths of 402 to 457 m. Virtually nothing known about its biology. Attains a maximum size of at least 49 cm total length (TL). Immature specimens of both males and females examined at 20 to 21 cm TL (Compagno, in prep. a).

Systems
  • Marine
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Depth range based on 2 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 413 - 430
  Temperature range (°C): 9.961 - 9.961
  Nitrate (umol/L): 23.606 - 23.606
  Salinity (PPS): 35.066 - 35.066
  Oxygen (ml/l): 2.776 - 2.776
  Phosphate (umol/l): 1.748 - 1.748
  Silicate (umol/l): 14.596 - 14.596

Graphical representation

Depth range (m): 413 - 430
 
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Depth: 402 - 457m.
From 402 to 457 meters.

Habitat: bathydemersal. Found on the upper continental slopes. Bottom temperatures range from 9.4 to 11.1°C. Probably feeds on bottom invertebrates and fishes.
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Trophic Strategy

Found on the upper continental slopes. Bottom temperatures range from 9.4 to 11.1°C. Probably feeds on bottom invertebrates and fishes.
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Life History and Behavior

Life Cycle

Distinct pairing with embrace (Ref. 205).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2004

Assessor/s
Leandro, L. (SSG South America Regional Workshop, June 2003)

Reviewer/s
Kyne, P.M., Cavanagh, R.D. & Fowler, S.L. (Shark Red List Authority)

Justification
Oxynotus caribbaeus is a rare, small, deepwater benthic shark recorded from the Gulf of Mexico and Venezuela on the upper continental slope at depths of 402 to 457 m. Attains a maximum size of at least 49 cm total length (TL) but virtually nothing known about its biology. This species is not known to be of interest to fisheries at present. Insufficient information available to assess the species beyond Data Deficient.
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Population

Population Trend
Unknown
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Threats

Data deficient (DD)
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Major Threats
This species is not known to be of interest to fisheries at present (Compagno, in prep. a).

Compagno (in prep. a) writes: "Oxynotids are of limited interest to fisheries, as these sharks are a relatively uncommon bycatch of bottom and pelagic trawl fisheries and to the writer's knowledge are not sufficiently abundant and concentrated to be targeted to any extent".

Utilization
Compagno (in prep. a) writes: "Where utilized (Eastern North Atlantic) [oxynotids] are mostly processed for fish meal and oil, but also are prepared smoked and dried-salted for human consumption".
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Management

Conservation Actions

Conservation Actions
No conservation measures are known to be in place for this species.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
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Wikipedia

Caribbean roughshark

The Caribbean roughshark, Oxynotus caribbaeus, is a rough shark of the family Oxynotidae, found on the upper continental slopes of the Caribbean Sea, at depths of between 400 and 450 m (1312 and 1476 ft). It reaches a length of about 50 cm (20 in).

References

External references

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