Eusphyra blochii

Superorder: Galeomorphii

Subclass: Elasmobranchii

Order: Carcharhiniformes

Family: Sphyrnidae

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External references for this species:

IUCN Red List
Species Regulated by International Treaties

CITES: Appendix II (2022)

Traits

Length

Name Value Standard ValueType Sex Location Reference
Lmax-observed 154 cm TL max Male Tamil Nadu devadoss1988a
Lmax-observed 164 cm TL max Female Tamil Nadu devadoss1988a
Lmat50 100 cm TL min Male Tamil Nadu devadoss1988a
Lmat50 110 cm TL min Female Tamil Nadu devadoss1988a
Lmax-observed 172 cm TL max Male Great Barrier Reef Marine Park harry2011b
Lmax-observed 170 cm TL max Female Great Barrier Reef Marine Park harry2011b
Lmax-observed 142 cm TL max Unspecified Maharashtra setna1949b
Length at first maturity 109 cm TL min Male Maharashtra setna1949b
Length at first maturity 104 cm TL min Female Maharashtra setna1949b
Lbirth 45 cm TL min Pooled Maharashtra setna1949b
Lmax-observed 169 cm TL max Male Timor Sea stevens1989d
Lmax-observed 169 cm TL max Female Timor Sea stevens1989d
Lmat50 108 cm TL visual_estimation Male Timor Sea stevens1989d
Length at first maturity 102 cm TL min Male Timor Sea stevens1989d
Length of largest immature 113 cm TL max Male Timor Sea stevens1989d
Lmat50 120 cm TL visual_estimation Female Timor Sea stevens1989d
Lbirth 45 cm TL min Pooled Timor Sea stevens1989d
Lmax-observed 159 cm TL max Pooled Gulf of Papua White2019

Reproduction

Name Value Standard ValueType Sex Location Reference
Ovum diameter 20 mm min Female Tamil Nadu devadoss1988a
Parturition May Month min Female Tamil Nadu devadoss1988a
Breeding June Month min Female Tamil Nadu devadoss1988a
Uterine fecundity 12 n mean Female Tamil Nadu devadoss1988a
Embryonic sex ratio 0.9878049 n raw_value Female Tamil Nadu devadoss1988a
Ovum diameter 10 mm max Female Maharashtra setna1949b
Parturition April Month min Female Maharashtra setna1949b
Seasonal June Month min Female Maharashtra setna1949b
Uterine fecundity 6.5 n mean Female Maharashtra setna1949b
Ovum diameter 20 mm mean Female Timor Sea stevens1989d
Gestation length 10 Month min Female Timor Sea stevens1989d
Breeding December Month min Female Timor Sea stevens1989d
Ovulation March Month min Female Timor Sea stevens1989d
Parturition February Month min Female Timor Sea stevens1989d
Uterine fecundity 11.8 n mean Female Timor Sea stevens1989d
Embryonic sex ratio 1.193878 n raw_value Female Timor Sea stevens1989d
Breeding interval 1 Year Female Timor Sea stevens1989d
Seasonal Yes Yes Female Timor Sea stevens1989d

Growth

Name Value Standard ValueType Sex Location Reference
Linf 171 cm Pooled Great Barrier Reef Marine Park smart2014
L0 49.6 cm Pooled Great Barrier Reef Marine Park smart2014
Linf 161.4 cm Pooled Great Barrier Reef Marine Park smart2014
L0 52.5 cm Pooled Great Barrier Reef Marine Park smart2014
Linf 156.7 cm Pooled Great Barrier Reef Marine Park smart2014
L0 54.9 cm Pooled Great Barrier Reef Marine Park smart2014
k 0.12 Coefficient Pooled Great Barrier Reef Marine Park smart2014
sigma-growth 72.8 Coefficient Pooled Great Barrier Reef Marine Park smart2014
k 0.19 Coefficient Pooled Great Barrier Reef Marine Park smart2014
sigma-growth 76.74 Coefficient Pooled Great Barrier Reef Marine Park smart2014
k 0.26 Coefficient Pooled Great Barrier Reef Marine Park smart2014
sigma-growth 81.17 Coefficient Pooled Great Barrier Reef Marine Park smart2014

Age

Name Value Standard ValueType Sex Location Reference
Amax-observed 20.9 Year raw_value Pooled Great Barrier Reef Marine Park smart2014

Relationships

Name Value Standard ValueType Sex Location Reference
a 3.1 Coefficient Pooled Timor Sea stevens1989d
b 1.31 Coefficient Pooled Timor Sea stevens1989d
a 0.000271 Coefficient Pooled Timor Sea stevens1989d
b 3.56 Coefficient Pooled Timor Sea stevens1989d
a 0.006 Coefficient raw_value Pooled Gulf of Papua White2019
b 2.8748 Coefficient raw_value Pooled Gulf of Papua White2019

Group Trends

Location Unit Reference
Pilbara and Kimberley, Northwest Australia
kg McAuley2012 Details
South Pacific
individual rice2015 Details

Contributors to the data of this species

  • aharry
  • ajudah