Triaenodon obesus

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
Risk Effect Low Effect size mean Pooled Ningaloo Reef lester2021a
Risk Effect High Strength of evidence mean Pooled Ningaloo Reef lester2021a
Risk Effect Medium Effect size mean Pooled Ningaloo Reef lester2021
Risk Effect High Strength of evidence mean Pooled Ningaloo Reef lester2021
Competition Medium Effect size mean Pooled Ningaloo Reef lester2021
Competition High Strength of evidence mean Pooled Ningaloo Reef lester2021
Risk Effect Medium Effect size mean Pooled Rowley/Scott Reefs lester2021
Risk Effect High Strength of evidence mean Pooled Rowley/Scott Reefs lester2021
Risk Effect High Effect size mean Pooled Viti Levu, Fiji rasher2017
Risk Effect High Strength of evidence mean Pooled Viti Levu, Fiji rasher2017
Trophic Cascade Medium Effect size mean Pooled Viti Levu, Fiji rasher2017
Trophic Cascade High Strength of evidence mean Pooled Viti Levu, Fiji rasher2017
Risk Effect High Effect size mean Pooled Western Pacific Islands sherman2020
Risk Effect High Strength of evidence mean Pooled Western Pacific Islands sherman2020
Direct Predation Low Effect size mean Pooled Great Barrier Reef casey2017
Direct Predation High Strength of evidence mean Pooled Great Barrier Reef casey2017
Trophic Cascade Low Effect size mean Pooled Great Barrier Reef casey2017
Trophic Cascade High Strength of evidence mean Pooled Great Barrier Reef casey2017
Direct Predation Low Effect size mean Pooled Great Barrier Reef desbiens2021
Direct Predation High Strength of evidence mean Pooled Great Barrier Reef desbiens2021
Trophic Cascade Low Effect size mean Pooled Great Barrier Reef desbiens2021
Trophic Cascade High Strength of evidence mean Pooled Great Barrier Reef desbiens2021
Direct Predation Medium Effect size mean Pooled Great Barrier Reef frisch2016
Direct Predation Medium Strength of evidence mean Pooled Great Barrier Reef frisch2016
Risk Effect High Effect size mean Pooled Great Barrier Reef rizzari2014c
Risk Effect High Strength of evidence mean Pooled Great Barrier Reef rizzari2014c
Trophic Cascade High Effect size mean Pooled Great Barrier Reef rizzari2014c
Trophic Cascade Medium Strength of evidence mean Pooled Great Barrier Reef rizzari2014c
Trophic Cascade Low Effect size mean Pooled Great Barrier Reef rizzari2014d
Trophic Cascade High Strength of evidence mean Pooled Great Barrier Reef rizzari2014d
Direct Predation High Effect size mean Pooled Rowley/Scott Reefs barley2017
Direct Predation Medium Strength of evidence mean Pooled Rowley/Scott Reefs barley2017
Trophic Cascade Low Effect size mean Pooled Rowley/Scott Reefs barley2017
Trophic Cascade Low Strength of evidence mean Pooled Rowley/Scott Reefs barley2017
Direct Predation High Effect size mean Pooled Rowley/Scott Reefs barley2017a
Direct Predation Medium Strength of evidence mean Pooled Rowley/Scott Reefs barley2017a
Trophic Cascade Low Effect size mean Pooled Rowley/Scott Reefs barley2017a
Trophic Cascade Low Strength of evidence mean Pooled Rowley/Scott Reefs barley2017a
Direct Predation High Effect size mean Pooled Rowley/Scott Reefs hammerschlag2018
Direct Predation Medium Strength of evidence mean Pooled Rowley/Scott Reefs hammerschlag2018
Trophic Cascade Low Effect size mean Pooled Rowley/Scott Reefs hammerschlag2018
Trophic Cascade Low Strength of evidence mean Pooled Rowley/Scott Reefs hammerschlag2018
Direct Predation High Effect size mean Pooled Rowley/Scott Reefs ruppert2013
Direct Predation Medium Strength of evidence mean Pooled Rowley/Scott Reefs ruppert2013
Trophic Cascade Low Effect size mean Pooled Rowley/Scott Reefs ruppert2013
Trophic Cascade Low Strength of evidence mean Pooled Rowley/Scott Reefs ruppert2013

Length

Name Value Standard ValueType Sex Location Reference
Lmax-observed 151 cm TL max Male Indonesia white2007a
Lmax-observed 158.1 cm TL max Female Indonesia white2007a
Length at maternity 140.6 cm TL min Female Indonesia white2007a
Lbirth 55 cm TL min Pooled Indonesia white2007a
Lmat50 115.1 cm TL raw_value Male Indonesia white2007a
Lmat95 115.4 cm TL raw_value Male Indonesia white2007a
Lmat50 117.2 cm TL raw_value Male Indonesia white2007a
Lmat95 131.8 cm TL raw_value Male Indonesia white2007a
Lbirth 59 cm TL raw_value Pooled Johnston Island, Hawaii fourmanoir1961
Lmax-observed 168 cm TL max Male Madagascar fourmanoir1961
Length at first maturity 100 cm TL raw_value Pooled Madagascar fourmanoir1961
Lbirth 52 cm TL min Pooled Madagascar fourmanoir1961
Lmax-observed 180 cm TL max Pooled Tenacatita Bay, Mexico corgos2016
Lmax-observed 175 cm TL max Pooled Molokini, Hawaii tricas1985a
Lbirth 63.5 cm TL mean Pooled Steinhart Aquarium, CA schaller2006
Lbirth 61 cm TL min Pooled Steinhart Aquarium, CA schaller2006

Reproduction

Name Value Standard ValueType Sex Location Reference
Parturition August Month raw_value Female Indonesia white2007a
Gestation length 6 Month min Female Indonesia white2007a
Uterine fecundity 3 n min Female Indonesia white2007a
Uterine fecundity 1 n min Female Johnston Island, Hawaii fourmanoir1961
Uterine fecundity 2.77 n mean Female Johnston Island, Hawaii fourmanoir1961
Parturition May Month min Female Oahu, Maui, Molokini, Kona - Hawaii whitney2012a
Breeding April Month min Pooled Oahu, Maui, Molokini, Kona - Hawaii whitney2012a
Breeding June Month raw_value Pooled Molokini, Hawaii tricas1985a
Gestation length 12.723 Month mean Female Steinhart Aquarium, CA schaller2006
Uterine fecundity 1 n min Female Steinhart Aquarium, CA schaller2006

Age

Name Value Standard ValueType Sex Location Reference
Amax-estimated 25 Year max Pooled Johnston Island, Hawaii fourmanoir1961
Amax-observed 8 Year max Pooled Tenacatita Bay, Mexico corgos2016

Trends

Location Unit Reference
southwest_pacific
individual heupel2009f Details

Contributors to the data of this species

  • ajudah
  • Simon Dedman
  • Nathan Pacoureau