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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Compagno, L.J.V. 1984 FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome: FAO. (Ref. 247)
http://www.fishbase.org/references/FBRefSummary.php?id=247&speccode=88
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Distribution
Western Central Atlantic: Venezuela, possibly elsewhere in the Caribbean.
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Compagno, L.J.V. 1984 FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome: FAO. (Ref. 247)
http://www.fishbase.org/references/FBRefSummary.php?id=247&speccode=88
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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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Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
http://www.marinespecies.org/porifera/porifera.php?p=sourcedetails&id=145245
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Physical Description
Size
Max. size
49.0 cm TL (male/unsexed; (Ref. 247))
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Compagno, L.J.V. 1984 FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome: FAO. (Ref. 247)
http://www.fishbase.org/references/FBRefSummary.php?id=247&speccode=88
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Ecology
Habitat
Habitat and Ecology
Habitat and Ecology
Systems
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
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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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.
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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Compagno, L.J.V. 1984 FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome: FAO. (Ref. 247)
http://www.fishbase.org/references/FBRefSummary.php?id=247&speccode=88
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Life History and Behavior
Life Cycle
Distinct pairing with embrace (Ref. 205).
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Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)
http://www.fishbase.org/references/FBRefSummary.php?id=205&speccode=1256
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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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Trends
Threats
Data deficient (DD)
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IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
http://www.fishbase.org/references/FBRefSummary.php?id=57073
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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".
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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Coppola, S.R., W. Fischer, L. Garibaldi, N. Scialabba and K.E. Carpenter 1994 SPECIESDAB: Global species database for fishery purposes. User's manual. FAO Computerized Information Series (Fisheries). No. 9. Rome, FAO. 103 p. (Ref. 171)
http://www.fishbase.org/references/FBRefSummary.php?id=171&speccode=2534
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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
- Froese, Rainer, and Daniel Pauly, eds. (2006). "Oxynotus caribbaeus" in FishBase. July 2006 version.
External references
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