Larval ecology of the great barracuda, Sphyraena barracuda, and other sphyraenids in the Straits of Florida

Selective mortality during the larval and juvenile stages of snappers (Lutjanidae) and great barracuda Sphyraena barracuda

“…(---): 95% confidence bands energy provisions within eggs (Kerrigan 1997, Gagliano & McCormick 2007, which themselves are in fluenced by maternal quality, age, size, and condition (Mar teins dottir & Steinarsson 1998, McCormick 1999, Raventos & Planes 2008, this result may indicate that maternal input had a significant effect on the survival of these fishes past the point of juvenile population replenishment. Although a survival advantage for larger size-athatch was not identified for Sphyraena barracuda in this study, larger size-at-hatch of S. barracuda larvae in the Straits of Florida in 2003 and 2004 conveyed a growth, size-at-age, and presumably survival advantage (D'Alessandro et al 2011). However, this earlier study sampled larvae monthly for 2 yr, encompassing more seasonal and inter-annual variability in selective processes.…”

“…Daily increments have been previously validated in juvenile Sphyraena barracuda (D'Alessandro et al 2011), Lutjanus griseus (Ahrenholz 2000), L. synagris (Mikulas & Rooker 2008), and Ocyurus chrysurus (Lindeman 1997). Therefore, age in days post hatch (DPH) was the total number of increments between the otolith primordium and otolith edge, plus a 2 d correction for time to first increment formation in snapper species (e.g.…”

“…D' Alessandro et al 2010). No such correction was necessary for S. barracuda (D'Alessandro et al 2011). The spawn date of each individual snapper and barracuda, estimated as the DPH age plus 1 d to account for incubation time (e.g.…”

Life‐history traits of temperate and thermophilic barracudas (Teleostei: Sphyraenidae) in the context of sea warming in the Mediterranean Sea

“…It has been hypothesized that reproductive success depends greatly on the match or mismatch between spawning season and the optimal conditions for the survival of the offspring (Kadison et al, 2010;D'Alessandro et al, 2011;Lowerre-Barbieri et al, 2011). Therefore, the short spawning season of S. viridensis may indicate that the optimal environmental conditions for this species usually occur in a more H .…”

“…The spawning seasonality of fishes is controlled by several synergic factors (e.g. inheritance, energy sources and exogenous factors) (Kadison et al, 2010;D'Alessandro et al, 2011;Lowerre-Barbieri et al, 2011). In species with restricted spawning seasons which inhabit cold-temperate climates, however, water temperature has been recognized as the main exogenous cue that ensures that gonadal development occurs at the proper time so that fishes are capable of spawning when conditions favour offspring survival (Wright & Trippel, 2009).…”