von Bertalanffy age-at-length zero parameter
| Species ↕ | Name | Value | Standard | ValueType | Location | Reference ↕ |
|---|---|---|---|---|---|---|
| Sphyrna lewini | t0 | -0.633 | Year | Mexican Central Pacific | anisladotolentino2001 | |
| Sphyrna lewini | t0 | -1.091 | Year | Mexican Central Pacific | anisladotolentino2001 | |
| Sphyrna lewini | t0 | -1.18 | Year | raw_value | Gulf of California | anisladotolentino2008 |
| Sphyrna lewini | t0 | -1.16 | Year | raw_value | Gulf of California | anisladotolentino2008 |
| Sphyrna lewini | t0 | -1.18 | Year | raw_value | Sinaloa | anisladotolentino2008 |
| Sphyrna lewini | t0 | -1.16 | Year | raw_value | Sinaloa | anisladotolentino2008 |
| Sphyrna lewini | t0 | -1.1 | Year | raw_value | Michoacan | anisladotolentino2008 |
| Sphyrna lewini | t0 | -0.96 | Year | raw_value | Michoacan | anisladotolentino2008 |
| Prionace glauca | t0 | -2.15 | Year | mean | Baja California peninsula | blancoparra2008 |
| Prionace glauca | t0 | -2.44 | Year | mean | Baja California peninsula | blancoparra2008 |
| Prionace glauca | t0 | -2.68 | Year | mean | Baja California peninsula | blancoparra2008 |
| Carcharhinus falciformis | t0 | -3.18 | Year | raw_value | Gulf of Mexico | bonfil1993 |
| Carcharhinus falciformis | t0 | -3.05 | Year | raw_value | Gulf of Mexico | bonfil1993 |
| Carcharhinus brevipinna | t0 | 1.94 | Coefficient | raw_value | Northwestern Gulf of Mexico | branstetter1987 |
| Carcharhinus limbatus | t0 | -1.2 | Coefficient | raw_value | Northwestern Gulf of Mexico | branstetter1987 |
| Carcharhinus leucas | t0 | -3 | Coefficient | raw_value | Northern Gulf of Mexico (Texas, also Florida & Panama) | branstetter1987c |
| Carcharhinus leucas | t0 | -5 | Coefficient | raw_value | Northern Gulf of Mexico (Texas, also Florida & Panama) | branstetter1987c |
| Negaprion brevirostris | t0 | -2.302 | Coefficient | raw_value | Florida Keys & Bimini, Bahamas | brown1988 |
| Negaprion brevirostris | t0 | -2.314 | Coefficient | raw_value | Florida Keys & Bimini, Bahamas | brown1988 |
| Negaprion brevirostris | t0 | -2.253 | Coefficient | raw_value | Florida Keys & Bimini, Bahamas | brown1988 |
| Pristis pectinata | t0 | 0.81 | Coefficient | mean | South Florida | carlson2015 |
| Hypanus dipterurus | t0 | 37.22 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 36.74 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 28 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 39.69 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 28 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 37.17 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 40.54 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 37.19 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 28 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 28 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 37.22 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Hypanus dipterurus | t0 | 37.19 | Year | raw_value | Gulf of California | carmonasanchez2017 |
| Carcharhinus falciformis | t0 | -6.527 | Year | raw_value | Eastern Pacific | cervantesgutierrez2013 |
| Carcharhinus falciformis | t0 | -6.834 | Year | raw_value | Eastern Pacific | cervantesgutierrez2013 |
| Carcharhinus falciformis | t0 | -5.88 | Year | raw_value | Eastern Pacific | cervantesgutierrez2013 |
| Zapteryx exasperata | t0 | -0.39 | Year | raw_value | Baja California peninsula | cervantesgutierrez2018 |
| Zapteryx exasperata | t0 | -0.65 | Year | raw_value | Baja California peninsula | cervantesgutierrez2018 |
| Rhizoprionodon longurio | t0 | -1.43 | Year | raw_value | Gulf of California | corroespinosa2011b |
| Rhizoprionodon longurio | t0 | -1.49 | Year | raw_value | Gulf of California | corroespinosa2011b |
| Carcharhinus falciformis | t0 | -3.82 | Year | raw_value | Oaxaca -Mexico | cruzjimenez2010 |
| Carcharhinus falciformis | t0 | -2.315 | Year | raw_value | Oaxaca -Mexico | cruzjimenez2014 |
| Carcharhinus leucas | t0 | -2.44 | Year | raw_value | Southern Gulf of Mexico | cruzmartinez2004 |
| Carcharhinus leucas | t0 | -1.935 | Year | raw_value | Southern Gulf of Mexico | cruzmartinez2004 |
| Carcharhinus leucas | t0 | -1.03 | Year | raw_value | Southern Gulf of Mexico | cruzmartinez2004 |
| Pseudobatos productus | t0 | 1.19 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | 91.66 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | 129.99 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | 2.64 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | -0.86 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | -1.14 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | -0.83 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Pseudobatos productus | t0 | -0.83 | Year | raw_value | Baja California peninsula | downtonhoffmann2007 |
| Mustelus lunulatus | t0 | -2.6563 | Year | raw_value | Gulf of California | escobedoolvera2006 |
| Mustelus lunulatus | t0 | -2 | Year | raw_value | Gulf of California | escobedoolvera2006 |
| Mustelus lunulatus | t0 | -2.683 | Year | raw_value | Gulf of California | escobedoolvera2006 |
| Sphyrna zygaena | t0 | -2.85 | Year | raw_value | Baja California peninsula | garzagisholt2004 |
| Sphyrna zygaena | t0 | -2.28 | Year | raw_value | Baja California peninsula | garzagisholt2004 |
| Sphyrna zygaena | t0 | -4.17 | Year | raw_value | Baja California peninsula | garzagisholt2004 |
| Sphyrna zygaena | t0 | -2.45 | Year | raw_value | Baja California peninsula | garzagisholt2004 |
| Sphyrna zygaena | t0 | -2.12 | Year | raw_value | Baja California peninsula | garzagisholt2004 |
| Sphyrna zygaena | t0 | -2.99 | Year | raw_value | Baja California peninsula | garzagisholt2004 |
| Etmopterus spinax | t0 | -1.41 | Coefficient | mean | Latium Coast, Central Tyrrhenian Sea | gennari2007 |
| Etmopterus spinax | t0 | -1.09 | Coefficient | mean | Latium Coast, Central Tyrrhenian Sea | gennari2007 |
| Hypanus americanus | t0 | -1.07 | Year | raw_value | Campeche | hernandezlazo2012 |
| Hypanus americanus | t0 | -7.69 | Year | raw_value | Campeche | hernandezlazo2012 |
| Hypanus americanus | t0 | -1.85 | Year | raw_value | Campeche | hernandezlazo2012 |
| Hypanus americanus | t0 | -5.42 | Year | raw_value | Campeche | hernandezlazo2012 |
| Hypanus americanus | t0 | -0.68 | Year | raw_value | Campeche | hernandezlazo2012 |
| Hypanus americanus | t0 | -0.6 | Year | raw_value | Campeche | hernandezlazo2012 |
| Prionace glauca | t0 | -1.30 | Coefficient | mean | Cape Point to Port Elizabeth, some frozen from Table Bay to Port Elizabeth | jolly2013 |
| Prionace glauca | t0 | -2.19 | Coefficient | mean | Cape Point to Port Elizabeth, some frozen from Table Bay to Port Elizabeth | jolly2013 |
| Prionace glauca | t0 | -1.66 | Coefficient | mean | Cape Point to Port Elizabeth, some frozen from Table Bay to Port Elizabeth | jolly2013 |
| Carcharhinus plumbeus | t0 | -4 | Coefficient | raw_value | Northeastern Taiwan | joung2004 |
| Carcharhinus plumbeus | t0 | -2.3 | Coefficient | raw_value | Northeastern Taiwan | joung2004 |
| Carcharhinus plumbeus | t0 | -4.5 | Coefficient | raw_value | Northeastern Taiwan | joung2004 |
| Carcharhinus brevipinna | t0 | -1.709 | Coefficient | raw_value | Northeastern Taiwan | joung2005a |
| Carcharhinus brevipinna | t0 | -1.998 | Coefficient | raw_value | Northeastern Taiwan | joung2005a |
| Carcharhinus falciformis | t0 | -3.03 | Coefficient | raw_value | Northeastern Taiwan (Nanafanao fish market) | Joung2008 |
| Carcharhinus falciformis | t0 | -2.32 | Coefficient | raw_value | Northeastern Taiwan (Nanafanao fish market) | Joung2008 |
| Carcharhinus falciformis | t0 | -2.761 | Coefficient | raw_value | Northeastern Taiwan (Nanafanao fish market) | Joung2008 |
| Carcharhinus obscurus | t0 | -4.23 | Coefficient | raw_value | Nanfanao Fish Market, Northeastern Taiwan | joung2015 |
| Carcharhinus obscurus | t0 | -4.45 | Coefficient | raw_value | Nanfanao Fish Market, Northeastern Taiwan | joung2015 |
| Carcharhinus obscurus | t0 | -4.23 | Coefficient | raw_value | Nanfanao Fish Market, Northeastern Taiwan | joung2015 |
| Carcharhinus obscurus | t0 | -4.23 | Coefficient | mean | Nanfanao Fish Market, Northeastern Taiwan | joung2015 |
| Carcharhinus longimanus | t0 | -3.645 | Year | raw_value | Off coast of Northeastern Taiwan, Nanfanao fish market | joung2016 |
| Anoxypristis cuspidata | t0 | -0.47 | Coefficient | raw_value | Gulf of Carpentaria, QLD, Australia | kyne2021 |
| Pristis clavata | t0 | -1.12 | Coefficient | raw_value | Gulf of Carpentaria, QLD, Australia | kyne2021 |
| Pristis pristis | t0 | -1.84 | Coefficient | Gulf of Carpentaria, QLD, Australia | kyne2021 | |
| Pristis pristis | t0 | -1.55 | Coefficient | Gulf of Carpentaria, QLD, Australia | kyne2021 | |
| Pristis pristis | t0 | -1.98 | Coefficient | Lake Nicaragua-Rio San Juan System | kyne2021 | |
| Pristis zijsron | t0 | -2.09 | Coefficient | raw_value | Gulf of Carpentaria, QLD, Australia | kyne2021 |
| Rhizoprionodon longurio | t0 | -1.7 | Year | raw_value | Gulf of California | lopezgarcia2006 |
| Rhizoprionodon longurio | t0 | -1.3 | Year | raw_value | Gulf of California | lopezgarcia2006 |
| Prionace glauca | t0 | -0.24 | Coefficient | raw_value | Nova Scotia | macneil2003 |
| Prionace glauca | t0 | -0.25 | Coefficient | raw_value | Nova Scotia | macneil2003 |
| Prionace glauca | t0 | -0.62 | Coefficient | mean | Adriatic Sea, Ionian Sea, Aegean Sea & Levantine Basin | megalofonou2009a |
| Mustelus henlei | t0 | -1.35 | Year | Gulf of California | mendezloeza2008 | |
| Mustelus henlei | t0 | -2.38 | Year | Gulf of California | mendezloeza2008 | |
| Mustelus henlei | t0 | -2.361 | Year | Gulf of California | mendezloeza2008 | |
| Alopias vulpinus | t0 | -2.19 | Year | raw_value | Mexican Central Pacific | mendizabal1995 |
| Carcharhinus limbatus | t0 | -1.97 | Year | raw_value | Mexican Central Pacific | mendizabal1995 |
| Carcharhinus falciformis | t0 | -4.264 | Year | raw_value | Mexican Central Pacific | mondragonsanchez2015 |
| Carcharhinus falciformis | t0 | -4.427 | Year | raw_value | Mexican Central Pacific | mondragonsanchez2015 |
| Carcharhinus falciformis | t0 | -4.439 | Year | raw_value | Mexican Central Pacific | mondragonsanchez2015 |
| Narcine entemedor | t0 | -1.99 | Year | raw_value | Gulf of California | morazamacona2017 |
| Narcine entemedor | t0 | 0.28 | Year | raw_value | Gulf of California | morazamacona2017 |
| Narcine entemedor | t0 | -0.35 | Year | raw_value | Gulf of California | morazamacona2017 |
| Narcine entemedor | t0 | -1.59 | Year | raw_value | Gulf of California | morazamacona2017 |
| Narcine entemedor | t0 | 1.5 | Year | raw_value | Gulf of California | morazamacona2017 |
| Narcine entemedor | t0 | 0.46 | Year | raw_value | Gulf of California | morazamacona2017 |
| Carcharhinus obscurus | t0 | -5.34 | Coefficient | raw_value | Cape Cod, MA & off Florida | natanson1995 |
| Carcharhinus obscurus | t0 | -6.43 | Coefficient | raw_value | Cape Cod, MA & off Florida | natanson1995 |
| Carcharhinus obscurus | t0 | -6.28 | Coefficient | raw_value | Cape Cod, MA & off Florida | natanson1995 |
| Carcharhinus obscurus | t0 | -7.04 | Coefficient | raw_value | Cape Cod, MA & off Florida | natanson1995 |
| Carcharhinus obscurus | t0 | -4.68 | Coefficient | raw_value | Cape Cod, MA & off Florida | natanson1995 |
| Carcharhinus obscurus | t0 | -5.99 | Coefficient | raw_value | Cape Cod, MA & off Florida | natanson1995 |
| Carcharhinus obscurus | t0 | -5.18 | Coefficient | raw_value | Southeast coast of South africa between Zinkwazi Beach and False Bay | natanson1996 |
| Sphyrna mokarran | t0 | -1.99 | Year | raw_value | Gulf of Mexico | piercy2010 |
| Sphyrna mokarran | t0 | -1.286 | Year | raw_value | Gulf of Mexico | piercy2010 |
| Sphyrna mokarran | t0 | -2.51 | Coefficient | Northwest Atlantic & Gulf of Mexico | piercy2010 | |
| Sphyrna mokarran | t0 | -2.86 | Coefficient | Northwest Atlantic & Gulf of Mexico | piercy2010 | |
| Sphyrna mokarran | t0 | -1.99 | Coefficient | Northwest Atlantic & Gulf of Mexico | piercy2010 | |
| Isurus oxyrinchus | t0 | -4.7 | Year | raw_value | Baja California peninsula | ribotcarballal2005 |
| Rhizoprionodon terraenovae | t0 | -1.49 | Year | raw_value | Veracruz-Gulf of Mexico | ruizalvarez2006 |
| Gymnura marmorata | t0 | -0.53 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | 1.66 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | 0.26 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | -2.76 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | -0.96 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | -1.55 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | 1.45 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | 0.19 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Gymnura marmorata | t0 | -2.27 | Year | raw_value | Baja California peninsula | sanchezcota2016 |
| Carcharhinus falciformis | t0 | -2.98 | Year | raw_value | Baja California peninsula | sanchezdeita2011 |
| Rhizoprionodon taylori | t0 | -0.519 | Coefficient | raw_value | Cleveland Bay, Queensland, Australia | simpfendorfer1993 |
| Rhizoprionodon taylori | t0 | -0.586 | Coefficient | raw_value | Cleveland Bay, Queensland, Australia | simpfendorfer1993 |
| Rhizoprionodon taylori | t0 | -0.41 | Coefficient | raw_value | Cleveland Bay, Queensland, Australia | simpfendorfer1993 |
| Rhizoprionodon taylori | t0 | -0.455 | Coefficient | raw_value | Cleveland Bay, Queensland, Australia | simpfendorfer1993 |
| Pristis pectinata | t0 | -0.863 | Coefficient | raw_value | South-west Florida & Florida Keys | simpfendorfer2008a |
| Pristis pectinata | t0 | -0.59 | Coefficient | raw_value | South-west Florida & Florida Keys | simpfendorfer2008a |
| Pristis pectinata | t0 | -0.53 | Coefficient | raw_value | South-west Florida & Florida Keys | simpfendorfer2008a |
| Pristis pectinata | t0 | -0.828 | Coefficient | raw_value | South-west Florida & Florida Keys | simpfendorfer2008a |
| Carcharhinus perezi | t0 | -1.99 | Coefficient | mean | Los Roques Archipelago | tavares2005 |
| Carcharhinus perezi | t0 | 2.07 | Coefficient | mean | Los Roques Archipelago | tavares2005 |
| Carcharhinus limbatus | t0 | -4.5 | Year | mean | Veracruz-Gulf of Mexico | tovaravila2009 |
| Carcharhinus limbatus | t0 | -3.1 | Year | mean | Veracruz-Gulf of Mexico | tovaravila2009 |
| Carcharhinus limbatus | t0 | -2.5 | Year | raw_value | Gulf of Mexico | tovaravila2014b |
| Carcharhinus limbatus | t0 | -3.4 | Year | raw_value | Gulf of Mexico | tovaravila2014b |
| Aetobatus narinari | t0 | -1.12 | Year | raw_value | Gulf of Mexico | utreralopez2015 |
| Aetobatus narinari | t0 | -2.1 | Year | raw_value | Gulf of Mexico | utreralopez2015 |
| Aetobatus narinari | t0 | -2.1 | Year | raw_value | Gulf of Mexico | utreralopez2015 |
| Aetobatus narinari | t0 | -1.12 | Year | raw_value | Gulf of Mexico | utreralopez2015 |
| Carcharhinus brachyurus | t0 | -3.477 | Coefficient | raw_value | Natal, Eastern Cape, Namibia & False Bay | walter1991 |
| Carcharhinus brachyurus | t0 | -5.57 | Coefficient | raw_value | Natal, Eastern Cape, Namibia & False Bay | walter1991 |
| Sphyrna lewini | t0 | -0.51 | Year | raw_value | Oaxaca -Mexico | zaraterustrian2010 |
| Sphyrna lewini | t0 | -0.74 | Year | raw_value | Oaxaca -Mexico | zaraterustrian2010 |
| Carcharhinus falciformis | t0 | -1.86 | Year | raw_value | Gulf of Tehuantepec | zeadelacruz2007 |
| Carcharhinus falciformis | t0 | -1.632 | Year | raw_value | Gulf of Tehuantepec | zeadelacruz2007 |
| Carcharhinus falciformis | t0 | -1.69 | Year | raw_value | Gulf of Tehuantepec | zeadelacruz2007 |
| Rhizoprionodon terraenovae | t0 | -1.11 | Year | mean | Gulf of Mexico | zeadelacruz2012 |
| Rhizoprionodon terraenovae | t0 | -1.32 | Year | mean | Gulf of Mexico | zeadelacruz2012 |