Carcharhinus obscurus

Superorder: Galeomorphii

Subclass: Elasmobranchii

Order: Carcharhiniformes

Family: Carcharhinidae

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External references for this species:

IUCN Red List
Species Regulated by International Treaties

CITES: Appendix II (2022)

Traits

Ecological Role

Name Value Standard ValueType Sex Location Reference
Direct Predation High Effect size mean Pooled North Carolina myers2007
Direct Predation Medium Strength of evidence mean Pooled North Carolina myers2007
Risk Effect Medium Effect size mean Pooled North Carolina myers2007
Risk Effect Low Strength of evidence mean Pooled North Carolina myers2007
Trophic Cascade High Effect size mean Pooled North Carolina myers2007
Trophic Cascade Low Strength of evidence mean Pooled North Carolina myers2007
Direct Predation Medium Effect size mean Pooled North Carolina grubbs2016
Direct Predation Low Strength of evidence mean Pooled North Carolina grubbs2016
Risk Effect Medium Effect size mean Pooled North Carolina grubbs2016
Risk Effect Low Strength of evidence mean Pooled North Carolina grubbs2016
Trophic Cascade Low Effect size mean Pooled North Carolina grubbs2016
Trophic Cascade Low Strength of evidence mean Pooled North Carolina grubbs2016
Direct Predation High Effect size mean Pooled Southern Brazilian Coast bornatowski2014b
Direct Predation High Strength of evidence mean Pooled Southern Brazilian Coast bornatowski2014b

Length

Name Value Standard ValueType Sex Location Reference
Lbirth 68 cm TL raw_value Pooled Campeche uribemartinez1993
Lmax-observed 297.8 cm TL max Male Indonesia white2007a
Lmax-observed 307.4 cm TL max Female Indonesia white2007a
Length at first maturity 280 cm TL min Male Indonesia white2007a
Length at first maturity 280 cm TL raw_value Female Indonesia white2007a
Lmax-observed 282 cm TL max Pooled Southwestern Australia simpfendorfer2002c
Length at first maturity 220 cm TL min Female Southwestern Australia simpfendorfer2002c
Length at first maturity 230 cm TL min Male Southwestern Australia simpfendorfer2002c
Lbirth 80.2 cm FL raw_value Male Cape Cod, MA & off Florida natanson1995
Lbirth 85.8 cm FL raw_value Female Cape Cod, MA & off Florida natanson1995
Length at first maturity 231 cm FL raw_value Male Cape Cod, MA & off Florida natanson1995
Length at first maturity 235 cm FL raw_value Female Cape Cod, MA & off Florida natanson1995
Lmax-observed 298 cm FL max Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
Lbirth 81.3 cm FL raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996

Growth

Name Value Standard ValueType Sex Location Reference
k 0.043 Coefficient raw_value Pooled Southwestern Australia simpfendorfer2002c
Linf 350.8 Coefficient raw_value Pooled Southwestern Australia simpfendorfer2002c
Linf 336.5 Coefficient raw_value Male Southwestern Australia simpfendorfer2002c
k 0.045 Coefficient raw_value Male Southwestern Australia simpfendorfer2002c
k 0.043 Coefficient raw_value Female Southwestern Australia simpfendorfer2002c
Linf 354.4 Coefficient raw_value Female Southwestern Australia simpfendorfer2002c
Linf 177 Coefficient raw_value Pooled Southwestern Australia simpfendorfer2000a
k 0.111 Coefficient raw_value Pooled Southwestern Australia simpfendorfer2000a
Linf 195 Coefficient raw_value Male Southwestern Australia simpfendorfer2000a
k 0.092 Coefficient raw_value Male Southwestern Australia simpfendorfer2000a
Linf 142 Coefficient raw_value Female Southwestern Australia simpfendorfer2000a
k 0.187 Coefficient raw_value Female Southwestern Australia simpfendorfer2000a
Linf 352 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
k 0.04 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
t0 -6.43 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
Linf 373 Coefficient raw_value Male Cape Cod, MA & off Florida natanson1995
k 0.038 Coefficient raw_value Male Cape Cod, MA & off Florida natanson1995
t0 -6.28 Coefficient raw_value Male Cape Cod, MA & off Florida natanson1995
Linf 349 Coefficient raw_value Female Cape Cod, MA & off Florida natanson1995
k 0.039 Coefficient raw_value Female Cape Cod, MA & off Florida natanson1995
t0 -7.04 Coefficient raw_value Female Cape Cod, MA & off Florida natanson1995
Linf 296 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
k 0.062 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
t0 -4.68 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
Linf 293 Coefficient raw_value Male Cape Cod, MA & off Florida natanson1995
k 0.049 Coefficient raw_value Male Cape Cod, MA & off Florida natanson1995
t0 -5.99 Coefficient raw_value Male Cape Cod, MA & off Florida natanson1995
Linf 392 Coefficient raw_value Female Cape Cod, MA & off Florida natanson1995
k 0.04 Coefficient raw_value Female Cape Cod, MA & off Florida natanson1995
t0 -5.34 Coefficient raw_value Female Cape Cod, MA & off Florida natanson1995
APE 0.033 Coefficient mean Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
APE 0.0 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
Linf 334 cm raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
k 0.047 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
t0 -5.18 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
Linf 369.4 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.126 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 562.8 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.029 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 456 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.046 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
t0 -4.23 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 394.7 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.086 Coefficient mean Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 324.5 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.126 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 324.6 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.125 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 324.6 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.126 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 373.4 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.046 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
t0 -4.23 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 369.6 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.046 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
t0 -4.23 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
Linf 387.5 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
k 0.043 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
t0 -4.45 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015

Age

Name Value Standard ValueType Sex Location Reference
Age at maternity 17 Year min Female Southwestern Australia simpfendorfer2002c
Amax-observed 32 Year max Female Southwestern Australia simpfendorfer2002c
Age at first maturity 20 Year min Male Southwestern Australia simpfendorfer2002c
Amax-observed 25 Year max Male Southwestern Australia simpfendorfer2002c
Age at first maturity 19 Year raw_value Male Cape Cod, MA & off Florida natanson1995
Age at first maturity 21 Year raw_value Female Cape Cod, MA & off Florida natanson1995
Age at first maturity 25 Year raw_value Male Cape Cod, MA & off Florida natanson1995
Age at first maturity 16 Year raw_value Female Cape Cod, MA & off Florida natanson1995
Age at first maturity 20.5 Year Male Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
Age at first maturity 17 Year min Female Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
Amax-observed 34 Year raw_value Female Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
Amat50 15.5 Year raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
Amat50 16.6 Year raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015

Relationships

Name Value Standard ValueType Sex Location Reference
a -2.2973 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
b 0.8352 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
a 24.99 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
b 12.82 Coefficient raw_value Pooled Cape Cod, MA & off Florida natanson1995
a 0.1 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
b 1.09 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
a 4.93 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
b 1.17 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
a 14.48 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
b 12.84 Coefficient raw_value Pooled Southeast coast of South africa between Zinkwazi Beach and False Bay natanson1996
a 8.01e-06 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
b 2.957 Coefficient raw_value Male Nanfanao Fish Market, Northeastern Taiwan joung2015
a 2.03e-06 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
b 3.216 Coefficient raw_value Female Nanfanao Fish Market, Northeastern Taiwan joung2015
a -0.57 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
b 0.82 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
a -3.73 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
b 0.76 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
a 14.74 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015
b 20.31 Coefficient raw_value Pooled Nanfanao Fish Market, Northeastern Taiwan joung2015

Trends

Location Unit Reference
Onslow Bay, Carolina, USA
individual grubbs2016 Details
South Virginia coast, USA
individual grubbs2016 Details
Kwazulu-Natal coast South-Africa
individual dudley2006b Details
Southwest Australia
individual braccini2017c Details
Southwest Australia
individual braccini2017c Details
northwestern Australia
individual Braccini2020 Details
Northwest Atlantic coast of USA
individual walter2010 Details
Northwest Atlantic and North Gulf of Mexico
kg sedar2011b Details
Northwest Atlantic and North Gulf of Mexico
individual sedar2011b Details
Northwest Atlantic and North Gulf of Mexico
kg SEDAR2016 Details
Western and Central Pacific
individual Tremblay-Boyer2016 Details

Group Trends

Location Unit Reference
south Australia
kg Steer2020 Details
Queensland east coastline, Australia
individual Roff2018 Details
Queensland east coastline, Australia
individual Roff2018 Details

Contributors to the data of this species

  • egarcia
  • ajudah
  • Simon Dedman
  • Nathan Pacoureau