Alopias vulpinus

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

Reproduction

Name Value Standard ValueType Sex Location Reference
Uterine fecundity 2 n raw_value Female Mexican Central Pacific mendizabal1995
Parturition November-April Month Female Mexican Central Pacific mendizabal1995

Growth

Name Value Standard ValueType Sex Location Reference
Linf 220 cm raw_value Pooled Mexican Central Pacific mendizabal1995
k 0.213 Coefficient raw_value Pooled Mexican Central Pacific mendizabal1995
t0 -2.19 Year raw_value Pooled Mexican Central Pacific mendizabal1995

Length

Name Value Standard ValueType Sex Location Reference
Length at first maturity 140 cm FL raw_value Female Mexican Central Pacific mendizabal1995
Length at first maturity 120 cm FL raw_value Male Mexican Central Pacific mendizabal1995
Lbirth 75 cm FL raw_value Pooled Mexican Central Pacific mendizabal1995

Demography

Name Value Standard ValueType Sex Location Reference
Natural mortality 0.352 Coefficient raw_value Female Mexican Central Pacific mendizabal1995
Total mortality 1.549 Coefficient raw_value Female Mexican Central Pacific mendizabal1995
Fishing mortality 1.197 Coefficient raw_value Female Mexican Central Pacific mendizabal1995
Natural mortality 0.406 Coefficient raw_value Male Mexican Central Pacific mendizabal1995
Total mortality 1.279 Coefficient raw_value Male Mexican Central Pacific mendizabal1995
Fishing mortality 0.873 Coefficient raw_value Male Mexican Central Pacific mendizabal1995
Natural mortality 1.279 Coefficient raw_value Pooled Mexican Central Pacific mendizabal1995
Total mortality 0.358 Coefficient raw_value Pooled Mexican Central Pacific mendizabal1995
Fishing mortality 0.921 Coefficient raw_value Pooled Mexican Central Pacific mendizabal1995

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
Competition Low Effect size mean Pooled Admiralty Bay, NZ vaughan2010b
Competition Low Strength of evidence mean Pooled Admiralty Bay, NZ vaughan2010b
Prey Low Effect size mean Pooled Paihia, NZ visser2005
Prey High Strength of evidence mean Pooled Paihia, NZ visser2005

Trends

Location Unit Reference
Eastern North Pacific
ton teo2016 Details
California
individual teo2016 Details
West Atlantic
individual Young2016a Details

Group Trends

Location Unit Reference
West Atlantic
individual baum2010 Details
West Atlantic
individual baum2003 Details
West Atlantic
individual cortes2007a Details
West Atlantic
individual cortes2007a Details
Gulf of Mexico
individual cortes2007a Details
West Atlantic
individual cortes2002b Details
Pacific
individual rice2015 Details

Contributors to the data of this species

  • lsaldana
  • Simon Dedman
  • Nathan Pacoureau