Embryonic sex ratio

In utero ratio of Males:Females within a litter

Measurements

Species Name Value Standard ValueType Location Reference
Alopias pelagicus Embryonic sex ratio 3659 n Mexican Central Pacific perezjimenez1997
Carcharhinus acronotus Embryonic sex ratio 61 n mean South Carolina driggers2004a
Carcharhinus brachyurus Embryonic sex ratio 4500 Ratio raw_value GAB, Gulf St. Vincent & Spencer Gulf, South Australia drew2017
Carcharhinus brevipinna Embryonic sex ratio 3659 Ratio Senegal and 4 individuals from Algeria capape2003d
Carcharhinus brevipinna Embryonic sex ratio 1.0:1.0 Ratio raw_value Northeastern Taiwan joung2005a
Carcharhinus sorrah Embryonic sex ratio 1.00:1.00 Ratio raw_value Princess Charlotte Bay - Moreton Bay, GBR, Queensland harry2013
Carcharhinus tilstoni Embryonic sex ratio 1:00:1:00 Ratio raw_value Princess Charlotte Bay - Moreton Bay, GBR, Queensland harry2013
Eusphyra blochii Embryonic sex ratio 0.9878049 n raw_value Tamil Nadu devadoss1988a
Eusphyra blochii Embryonic sex ratio 1.193878 n raw_value Timor Sea stevens1989d
Hemigaleus australiensis Embryonic sex ratio 1.05 n raw_value Timor Sea stevens1991a
Mustelus henlei Embryonic sex ratio 1.1:1 n raw_value Baja California peninsula silvasantos2012
Mustelus henlei Embryonic sex ratio 1.05:1 n Baja California peninsula sotolopez2018
Oxynotus bruniensis Embryonic sex ratio 3659 n New Zealand finucci2016
Oxynotus centrina Embryonic sex ratio 3659 n Northern coasts of Tunisia, Gulf of Lion, Cape Verge Peninsula capape1999
Oxynotus centrina Embryonic sex ratio 4F:3M n Hellenic Seas kousteni2016a
Paragaleus pectoralis Embryonic sex ratio 1.3658536585365855 n raw_value Senegal Coast capape2005a
Pristis pristis Embryonic sex ratio 0.86:1 Ratio raw_value Lake Nicaragua-Rio San Juan System kyne2021
Pseudobatos productus Embryonic sex ratio 1.065:1 n Baja California peninsula downtonhoffmann2007
Pseudobatos productus Embryonic sex ratio 1 n raw_value Baja California peninsula villavicenciogarayzar1993a
Rhizoprionodon lalandii Embryonic sex ratio 3659 Ratio south-eastern Brazil andrade2008
Rhizoprionodon longurio Embryonic sex ratio 3659 n Gulf of California marquezfarias2005a
Rhizoprionodon terraenovae Embryonic sex ratio 3659 n Gulf of Mexico zeadelacruz2012
Sphyrna lewini Embryonic sex ratio 1.2:1 n Mexican Central Pacific anisladotolentino2000
Sphyrna lewini Embryonic sex ratio 3659 n Mexican Central Pacific perezjimenez1997
Sphyrna lewini Embryonic sex ratio 1 n Gulf of California torreshuerta2008
Sphyrna mokarran Embryonic sex ratio 0.5012987012987012 n raw_value Timor Sea stevens1989d
Sphyrna zygaena Embryonic sex ratio 1.08:1 n Mexican Central Pacific perezjimenez1997