Table of Contents
Overview
Comprehensive Description
Biology
Found on the continental slopes. Poorly known. Oviparous, probably one egg per oviduct laid at a time. Not utilized at present.
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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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
http://www.fishbase.org/references/FBRefSummary.php?id=244&speccode=763
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Distribution
Western Pacific: Philippines, South and East China seas; northward to the Suruga Bay, Japan.
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Nakaya, K. and K. Sato 2000 Taxonomic review of Apristurus platyrhynchus and related species from the Pacific Ocean (Chondrichthyes, Carcharhiniformes, Scyliorhinidae). Ichthyol. Res. 47(3):223-230. (Ref. 37959)
http://www.fishbase.org/references/FBRefSummary.php?id=37959&speccode=778
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Range Description
The species occurs in the Indo-West Pacific from Malaysia and Borneo north to Suruga Bay, Japan.
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Physical Description
Morphology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 0
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Nakaya, K. and K. Sato 2000 Taxonomic review of Apristurus platyrhynchus and related species from the Pacific Ocean (Chondrichthyes, Carcharhiniformes, Scyliorhinidae). Ichthyol. Res. 47(3):223-230. (Ref. 37959)
http://www.fishbase.org/references/FBRefSummary.php?id=37959&speccode=778
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Size
Max. size
80.0 cm TL (male/unsexed; (Ref. 244))
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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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
http://www.fishbase.org/references/FBRefSummary.php?id=244&speccode=763
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Diagnostic Description
Diagnostic features include the very short abdomen, with interspace between pectoral and pelvic fins base shorter than 3/5 of anal fin base length; pectoral fin tip reaching beyond the midpoint between pectoral and pelvic fins; first dorsal fin smaller in area than the second dorsal; posterior end base (axil) of second dorsal clearly in front of anal fin axil; low anal fin with a long base. Egg capsule very slender; without tendrils, conical posterior end. Claspers without hooks, with posterior margin of exorhipidion forming a free lobe (Ref. 37959). Black, brown or grey (Ref. 11146), without conspicuous markings on fins (Ref. 244).
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Nakaya, K. and K. Sato 2000 Taxonomic review of Apristurus platyrhynchus and related species from the Pacific Ocean (Chondrichthyes, Carcharhiniformes, Scyliorhinidae). Ichthyol. Res. 47(3):223-230. (Ref. 37959)
http://www.fishbase.org/references/FBRefSummary.php?id=37959&speccode=778
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Type Information
Type for Apristurus platyrhynchus
Catalog Number: USNM 93135
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Year Collected: 1909
Locality: Sipadan Id., Vic. Sibuko B. Borneo, Indonesia, Pacific
Vessel: Albatross
Catalog Number: USNM 93135
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Year Collected: 1909
Locality: Sipadan Id., Vic. Sibuko B. Borneo, Indonesia, Pacific
Vessel: Albatross
- Type: Fowler, H. W. 1934. Proceedings of the Academy of Natural Sciences of Philadelphia. 85: 237, fig. 2.
© Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
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Ecology
Habitat
Environment
bathypelagic; marine; depth range 759 - ? m (Ref. 58018)
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Bogutskaya, N.G. 2007 Preliminary assignment of coordinates to type localities in the Catalog of Fishes. Unpublished dbf file. (Ref. 58018)
http://www.fishbase.org/references/FBRefSummary.php?id=58018&speccode=6010
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Habitat and Ecology
Habitat and Ecology
Systems
A. platyrhynchus is a poorly known, continental slope species. Maximum size was estimated by Nakaya and Sato (2000) to be about 85 cm TL. Both sexes mature around 60 cm TL. Reproduction is oviparous with one egg per oviduct laid at a time. Egg cases are long, slender and cylindrical (9.4 cm long x 2.2 cm wide). The surface of the egg case is smooth, the anterior end lacks processes and is composed of weak fibrous tissue. The posterior end comes to a single point and lacks tendrils (Nakaya and Sato 2000). The construction of the egg cases and absence of tendrils suggests the eggs may be retained in the female and develop in-utero. This appears to be unique among the Apristurus species, however, the egg cases and development of many have yet to be described.
Apristurus species are relatively small, sluggish sharks that live on or near the bottom. Diet includes crustaceans (penaeid shrimps, euphausiids), squids and small fishes.
Apristurus species are relatively small, sluggish sharks that live on or near the bottom. Diet includes crustaceans (penaeid shrimps, euphausiids), squids and small fishes.
Systems
- Marine
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Depth range based on 4 specimens in 1 taxon.
Environmental ranges
Depth range (m): 315 - 759
Graphical representation
Depth range (m): 315 - 759
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Environmental ranges
Depth range (m): 315 - 759
Graphical representation
Depth range (m): 315 - 759
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Life History and Behavior
Life Cycle
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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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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Molecular Biology and Genetics
Molecular Biology
Barcode data: Apristurus platyrhynchus
The following is a representative barcode sequence, the centroid of all available sequences for this species.
There are 5 barcode sequences available from BOLD and GenBank. Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
Download FASTA File
There are 5 barcode sequences available from BOLD and GenBank. Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
CCTTTACCTAATTTTTGGTGCATGAGCAGGAATAGTTGGAATGGCTTTAAGCTTATTAATTCGTGCTGAACTAGGTCAACCCGGATCTCTTTTGGGAGATGATCAGATTTACAATGTGATCGTTACCGCCCATGCCTTTGTAATAATCTTTTTTATGGTTATACCAGTAATAATTGGTGGCTTTGGTAATTGACTTGTTCCTTTGATAATTGGTGCGCCAGACATAGCGTTCCCGCGTATAAATAATATAAGCTTCTGACTCCTCCCCCCCTCTTTCTTACTTCTCTTGGCTTCTGCAGGGGTTGAAGCGGGAGCAGGAACCGGGTGAACTGTTTATCCCCCCCTAGCTGGTAACTTAGCACACGCTGGGCCATCCGTTGACCTAGCTATCTTTTCCCTCCATCTGGCCGGTGTTTCATCTATTTTGGCCTCAATTAATTTTATTACAACCATTATTAATATAAAACCCCCAGCCATTTCCCAATATCAAACGCCCCTATTTGTTTGGTCAATTCTTATTACCACTGTTCTTCTTCTTCTCTCTCTCCCAGTTCTTGCAGCCGGAATTACAATATTACTTACAGACCGCAACCTTAATACAACATTTTTTGACCCTGCTGGAGGGGGGGACCCCATTCTCTATCAACACCTA
-- end --
-- end --
Download FASTA File
© Barcode of Life Data Systems
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Statistics of barcoding coverage: Apristurus platyrhynchus
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 6
Species With Barcodes: 1
Public Records: 5
Specimens with Barcodes: 6
Species With Barcodes: 1
© Barcode of Life Data Systems
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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
Duffy, C. & Huveneers, C.
Reviewer/s
Kyne, P.M., Cavanagh, R.D. & Fowler, S.L. (Shark Red List Authority)
Contributor/s
Justification
Apristurus platyrhynchus is a poorly known, Indo-West Pacific continental slope deepwater catshark. Maximum size is estimated to be about 85 cm total length (TL). Probably taken as bycatch in deepwater trawl, set net and line fisheries throughout its range. However, at present there is insufficient information available to assess the species beyond Data Deficient.
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Trends
Population
Population Trend
Unknown
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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
Probably taken as bycatch in deepwater trawl, set net and line fisheries throughout its range. Other species of deepwater Chondrichthyans are known to be captured as bycatch in deepwater fisheries. As these fisheries expand globally, consideration needs to be given to the fact that this species too may be captured incidentally in deepwater fisheries.
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Management
Conservation Actions
Conservation Actions
No conservation actions are currently 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
Spatulasnout catshark
The spatulasnout cat shark, Apristurus platyrhynchus, is a cat shark of the family Scyliorhinidae found in the western Pacific between latitudes 35° N and 1° N. Its length is up to 80 cm.
See also
References
- Froese, Rainer, and Daniel Pauly, eds. (2006). "Apristurus platyrhynchus" in FishBase. July 2006 version.
Source:
Wikipedia
Unreviewed
Flatnose cat shark
The flatnose cat shark, Apristurus acanutus, is a cat shark of the family Scyliorhinidae found in the northwest Pacific Ocean off Zhujiang, South China Sea. This species is now considered a junior synonym of A. platyrhynchus.
See also
References
- Froese, Rainer, and Daniel Pauly, eds. (2011). "Apristurus platyrhynchus" in FishBase. June 2011 version.
 | This shark-related article is a stub. You can help Wikipedia by expanding it. |
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