This blog provides a timeline of my work on age estimation and validation of marine fishes. As new works are completed or older material is added I will post them here for your perusal.
Thank you for your interest.
(PDF’s of work are linked to most pages)
Age estimates from bomb 14C dating conflict with a well-recognized age reading protocol…
Understanding the life histories of small pelagic fishes for knowledge-based management decisions...
A case study of early overcounting in otoliths
Monday, January 4, 2021
Early overcounting in otoliths – a case study of age and growth for gindai (Pristipomoides zonatus)...
Sunday, July 19, 2020
Inferring life history characteristics of the oceanic whitetip shark Carcharhinus longimanus from...
Karst Complications - Floridan Aquifer and Ancient Radiocarbon
Thursday, April 16, 2020
Influences of Upper Floridan aquifer waters on radiocarbon in the otoliths of gray snapper (Lutjanus...
GIANT TREVALLY LIFESPAN IS 25 YEARS
Wednesday, April 1, 2020
Quarter century lifespan for giant trevally (Caranx ignobilis)
of Hawaiian Islands
Giant trevally...
Yellowfin and Bigeye Tuna Longevity
Sunday, March 1, 2020
Age validation and potential lifespan of yellowfin
(Thunnus albacares) and bigeye (Thunnus obesus)...
Onaga - A popular long-lived snapper of Hawaii
Tuesday, December 10, 2019
Onaga is one of the more important commercial fishes of Hawaii
A long-lived life history for onaga...
Explorations of Longevity - Alligator Gar
Thursday, March 14, 2019
Otolith-Based Age Estimates of Alligator Gar Assessed Using Bomb Radiocarbon Dating to Greater than...
Explorations of Longevity - Bigmouth Buffalo
Saturday, March 2, 2019
Can the endemic bigmouth buffalo fish live 100 years?
Collaboration with North Dakota State...
Hapu’upu’u - A long-lived deep-water grouper of the Hawaiian Islands
Saturday, February 2, 2019
Growth and longevity of Hawaiian grouper (Hyporthodus quernus) — inputfor management and...
FIRST BOMB DATED TELEOST FROM SOUTH AFRICA
Sunday, December 16, 2018
55-year longevity for the largest member of the family Sparidae: the endemic red steenbras Petrus...
FIRST VALIDATED LIFE HISTORIES — Hawaiian parrotfishes
Monday, March 26, 2018
Comparative growth, age at maturity and sex change, and longevity of Hawaiian parrotfishes, with...
Life History of the DEEPEST LIVING FISH
Sunday, March 25, 2018
Life history of abyssal and hadal fishes from otolith growth zones and oxygen isotopic compositions...
GRANDER BLUE MARLIN - FIRST VALIDATED AGE
Thursday, December 21, 2017
Blue marlin (Makaira nigricans) longevity estimates confirmed with
bomb radiocarbon dating
ABSTRACT:...
SHORT LIFESPAN for Pacific Cod
Sunday, May 1, 2016
Lead-radium dating of Pacific cod (Gadus macrocephalus) - validation of the young-fish...
Black cardinalfish - Another centenarian for New Zealand
Thursday, April 21, 2016
UPDATE: The study was completed with an analysis of both lead-radium and bomb radiocarbon...
Bluespine unicornfish can live half a century
Saturday, April 2, 2016
A half-century lifespan for a keystone browser, the bluespine unicornfish (Naso unicornis), with a...
Bottomfishes of the Insular Pacific - Validated Maximum Age
Tuesday, February 2, 2016
Estimation of fish age can be a tricky endeavor and a number of methods have been applied to the...
Indo-Pacific bomb radiocarbon dating - humphead wrasse
Thursday, March 26, 2015
Bomb radiocarbon dating of an iconic Great Barrier Reef fish - humphead wrasse (Cheilinus undulatus)...
Lead‐radium dating of golden tilefish (Lopholatilus chamaeleonticeps) UPDATED AND PUBLISHED
Tuesday, March 10, 2015
Age estimation and lead-radium dating of golden tilefish, Lopholatilus chamaeleonticeps
Abstract -...
White shark age validation using bomb radiocarbon dating - REVISED & UPDATED...
Sunday, March 8, 2015
Andrews and Kerr (2015)
Validated age estimates for large white sharks of the northeastern Pacific...
Indo-Pacific bomb radiocarbon dating - bumphead parrotfish
Friday, March 6, 2015
Sand tiger shark - Maximum age and missing time
Monday, April 7, 2014
Long-lived deep-water grouper of the Gulf of Mexico
Friday, July 19, 2013
Great longevity of speckled hind (Epinephelus drummondhayi), a deep-water grouper, with novel use of...
Chapter 14: Assessing the Age and Growth of Chondrichthyan Fishes
Thursday, April 5, 2012
Biology of Sharks and Their Relatives, Second Edition
“A modern synthesis of the biology of...
Giant Sea Bass can live more than 50 years
Tuesday, January 3, 2012
Bomb radiocarbon dating and estimated longevity of Giant Sea Bass (Stereolepis gigas)
In January...
Opakapaka can live longer than originally thought
Thursday, October 13, 2011
A long-Lived life history for opakapaka (Pristipomoides filamentosus) based on lead-radium and bomb...
Bomb radiocarbon dating of three important reef-fishes of the Indo-Pacific
Saturday, September 24, 2011
Bomb radiocarbon dating of three important reef-fish species using Indo-Pacific ∆14C...
Sandbar shark age validation using bomb radiocarbon and tag-recapture dating
Saturday, August 27, 2011
Bomb radiocarbon and tag-recapture dating of sandbar shark (Carcharhinus plumbeus)
The sandbar shark...
Sunday, January 2, 2011
Age estimation and lead-radium dating of Antarctic toothfish
Antarctic toothfish (Dissostichus...
Chilean sea bass: Age and growth validated to more than 30 years
Thursday, October 7, 2010
Lead]radium dating provides a framework for coordinating age estimation of Patagonian toothfish...
Orange roughy can live more than 100 years - really, they can!
Sunday, December 6, 2009
Lead-radium dating of orange roughy (Hoplostethus altanticus): validation of a centenarian life...
How long fish live and why you should care
Saturday, December 13, 2008
Age-validated longevity of fishes: Its importance for sustainable fisheries
Marine fisheries have...
Tiger shark age validation using bomb radiocarbon dating
Saturday, December 6, 2008
Using bomb radiocarbon analyses to validate age and growth estimates for the tiger shark, Galeocerdo...
Canary rockfish age validation with lead-radium and bomb radiocarbon dating
Wednesday, December 5, 2007
Age validation of canary rockfish (Sebastes pinniger) using two independent otolith techniques:...
Shortfin mako shark age validation using bomb radiocarbon dating
Saturday, December 16, 2006
Application of bomb radiocarbon chronologies to shortfin mako (Isurus oxyrinchus) age validation
Age...
Quillback rockfish and bomb radiocarbon
Monday, January 2, 2006
Age validation of quillback rockfish (Sebastes maliger) using bomb radiocarbon.
Rockfishes (Sebastes...
Determination of age for spotted sand bass from otolith growth zones with edge type analysis
Friday, December 9, 2005
Age and Growth of Spotted Sand Bass, Paralabrax maculatofasciatus, in Bahia de Los Angeles, Baja...
Bocaccio rockfish age validation with lead-radium and bomb radiocarbon dating
Saturday, December 3, 2005
Bomb radiocarbon and lead-radium disequilibria in otoliths of bocaccio rockfish (Sebastes...
Yelloweye rockfish and bomb radiocarbon
Sunday, January 2, 2005
Radiocarbon in otoliths of yelloweye rockfish (Sebastes ruberrimus): a reference time series for the...
Wednesday, December 1, 2004
Radiometric validation of age, growth, and longevity for the blackgill rockfish, Sebastes...
Determining the season of site occupation by Native Americans from otoliths?
Saturday, November 29, 2003
Reliability assessment of season-of-capture determination from archaeological otoliths
A technique...
Confirmation of a long lifespan - 50+ years
Thursday, December 5, 2002
Radiometric age validation of Atlantic tarpon, Megalops atlanticus
An improved radiometric aging...
Saturday, November 23, 2002
Radiometric age validation of the yelloweye rockfish (Sebastes ruberrimus) from southeastern...
Could deep dwelling fish have greater longevity?
Tuesday, January 1, 2002
Age determination and validation studies of marine fishes: do deep-dwellers live longer?
Age...
My first fish age validation - Pacific grenadier
Thursday, September 2, 1999
Age and growth of the Pacific grenadier (Coryphaenoides acrolepis) with age estimate validation...
Mass spectrometry improves lead-radium dating
Friday, August 27, 1999
Application of an ion-exchange separation technique and thermal ionization mass spectrometry to...
