Physical Description

Diagnostic Description

Description

Small to moderate-sized sharks with horizontally oval eyes, nictitating eyelids, anterior nasal flaps, two large-sized, spineless dorsal fins and an anal fin, the first dorsal base wel ahead of pelvic bases. Species found in all warm and temperate coastal seas. They feed primarily on bottom and midwater invertebrates and bony fishes.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

Depth range based on 21 specimens in 7 taxa.
Water temperature and chemistry ranges based on 18 samples.

Environmental ranges
  Depth range (m): 31 - 374
  Temperature range (°C): 12.830 - 28.098
  Nitrate (umol/L): 0.276 - 9.393
  Salinity (PPS): 34.414 - 36.007
  Oxygen (ml/l): 3.094 - 5.452
  Phosphate (umol/l): 0.126 - 0.906
  Silicate (umol/l): 0.942 - 16.845

Graphical representation

Depth range (m): 31 - 374

Temperature range (°C): 12.830 - 28.098

Nitrate (umol/L): 0.276 - 9.393

Salinity (PPS): 34.414 - 36.007

Oxygen (ml/l): 3.094 - 5.452

Phosphate (umol/l): 0.126 - 0.906

Silicate (umol/l): 0.942 - 16.845
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:1095
Specimens with Sequences:808
Specimens with Barcodes:584
Species:61
Species With Barcodes:57
Public Records:230
Public Species:26
Public BINs:14
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:188
Specimens with Sequences:147
Specimens with Barcodes:72
Species:15
Species With Barcodes:14
Public Records:22
Public Species:3
Public BINs:2
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Houndshark

Houndsharks, Triakidae, are a family of ground sharks, consisting of about 40 species in 9 genera. In some classifications, the family is split into two subfamilies, with Mustelus, Scylliogaleus, and Triakis in the subfamily Triakinae, and the remaining genera in the subfamily Galeorhininae.

Houndsharks are distinguished by possessing two large spineless dorsal fins, an anal fin, and oval eyes with nictitating eyelids. They are small to medium in size, ranging from 37 to 220 cm (1.21 to 7.22 ft) in adult length. They are found throughout the world in warm and temperate waters, where they feed on fish and invertebrates on the seabed and in midwater.[1]

Genera[edit]

Cladogram[edit]

  • Triakidae
    • Triakinae
      • Scylliogaleini
        • Scylliogaleus
      • Triakini
        • Mustelus
        • Triakis
          • Subgenus Triakis
          • Subgenus Cazon (may be a genus)
    • Galeorhininae
      • Galeorhinini
        • Galeorhinus
        • Hypogaleus
      • Iagini
        • Gogolia
        • Hemitriakis
        • Iago

See also[edit]

References[edit]

  1. ^ Froese, Rainer, and Daniel Pauly, eds. (2009). "Triakidae" in FishBase. January 2009 version.
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