Alopias pelagicus

Superorder: Galeomorphii

Subclass: Elasmobranchii

Order: Lamniformes

Family: Alopiidae

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External references for this species:

IUCN Red List
Species Regulated by International Treaties

CITES: Appendix II (2017)

CMS: Appendix II (2014)

Traits

Ecological Role

Name Value Standard ValueType Sex Location Reference
Direct Predation Medium Effect size mean Pooled Eastern Pacific Coast to Hawaii hunsicker2012
Direct Predation High Strength of evidence mean Pooled Eastern Pacific Coast to Hawaii hunsicker2012
Competition Medium Effect size mean Pooled Eastern Pacific Coast to Hawaii hunsicker2012
Competition High Strength of evidence mean Pooled Eastern Pacific Coast to Hawaii hunsicker2012
Trophic Cascade High Effect size mean Pooled Central Pacific south of Hawaii ward2005a
Trophic Cascade Medium Strength of evidence mean Pooled Central Pacific south of Hawaii ward2005a
Competition High Effect size mean Pooled Central Pacific south of Hawaii ward2005a
Competition Medium Strength of evidence mean Pooled Central Pacific south of Hawaii ward2005a

Relationships

Name Value Standard ValueType Sex Location Reference
a 24.18 Coefficient Pooled Colima cruz2011
b 1.48 Coefficient Pooled Colima cruz2011
a 5.13 Coefficient Female Colima cruz2011
b 0.56 Coefficient Female Colima cruz2011
a 45.21 Coefficient Male Colima cruz2011
b 1.33 Coefficient Male Colima cruz2011

Growth

Name Value Standard ValueType Sex Location Reference
Linf 320 cm Female Mexican Central Pacific perezjimenez1997
Linf 298 cm Male Mexican Central Pacific perezjimenez1997
k 0.35 Coefficient Female Mexican Central Pacific perezjimenez1997
k 0.39 Coefficient Male Mexican Central Pacific perezjimenez1997

Length

Name Value Standard ValueType Sex Location Reference
Lmax-observed 320 cm TL Female Mexican Central Pacific perezjimenez1997
Lmax-observed 298 cm TL Male Mexican Central Pacific perezjimenez1997
Lbirth 101.7 cm TL Pooled Mexican Central Pacific perezjimenez1997
Length at first maturity 272 cm TL Female Mexican Central Pacific perezjimenez1997
Length at first maturity 245.6 cm TL Male Mexican Central Pacific perezjimenez1997

Reproduction

Name Value Standard ValueType Sex Location Reference
Uterine fecundity 1 n min Female Mexican Central Pacific perezjimenez1997
Embryonic sex ratio 3659 n Female Mexican Central Pacific perezjimenez1997

Trends

Location Unit Reference
Western Indian Ocean
individual Romanovunpubl1 Details

Group Trends

Location Unit Reference
Pacific
individual rice2015 Details

Contributors to the data of this species

  • egarcia
  • Simon Dedman
  • Nathan Pacoureau