The goal of the National Marine Fisheries Service (NMFS) protocols for the use of sturgeon
is standardization of research practices to benefit the recovery of Gulf of Mexico (Gulf) …

Basal recess and articulating process sections of pectoral spines are often used to estimate
the age of channel catfish Ictalurus punctatus. However, identification of annuli in pectoral …

Pectoral-fin spine sections and sagittal otolith sections were examined to determine whether
one of these structures would be useful in estimating the age and growth of Atlantic …

Differences in egg number and egg size within a wild population of white-spotted char
(Salvelinus leucomaenis) were examined from the perspective of maternal growth history by …

The Brazilian-endemic greenbeack parrotfish, Scarus trispinosus Valenciennes, 1840, is the
largest herbivorous reef fish in the South Atlantic. Following the sharp decline of large …

In a typical age and growth study, multiple estimates of individual fish age are generated: by
readers, methods, etc. These samples of paired data are evaluated with three …

The growth, mortality, and reproduction of Portunus sanguinolentus were studied using size-
frequency data obtained from crabs collected in pots in the waters off northern Taiwan from …

Historically, authors have stressed the importance of validating methods to estimate fish age.
However, interpretation of annuli involves an element of subjectivity and individual readers …

The length, growth, age composition, spawning season, sex ratio, and food of golden
banded goatfish (Upeneus moluccensis) were studied on the basis of 711 specimens from …

Accurate age estimates for Panulirus argus, the commercially important Caribbean spiny
lobster, would greatly enhance life history and population analyses. Most age …