Embryonic development of adriatic sturgeon, Acipenser naccarii (Bonaparte 1836), in farming conditions: a guide

Abstract

Cabrera, R., Soriguer, M.C., Domezain, A., Hernando, J.A. 2016. Embryonic development of adriatic sturgeon, Acipenser naccarii (Bonaparte 1836), in farming conditions: a guide. -Acta Zoologica (Stockholm) 97: 334-344.The sequence and timing of the embryonic development of Adriatic sturgeon (Acipenser naccarii) are described at a constant temperature (17 AE 1°C), from fertilisation to hatch in a hatchery. Fertilised eggs, obtained from one female and two males, were held in a flow-through system. On the first day, embryos were sampled every 20 min during the first 12 h, and every 40 min in the following 12 h. Embryos were sampled hourly on the second day. On the third and fourth days, embryos were sampled every 2 h, and every 3 h on the fifth and sixth days. The first cleavage furrow appeared at 1 h 40 min postfertilisation. Blastulation concluded at 12 HPF (hours postfertilisation), when the dorsal blastopore lip formed. The completion of gastrulation was at 18 HPF, closing of the neural tube at 23 HPF and formation of the s-shape heart at 31 HPF. The mass hatch occurred at 120 HPF. A. naccarii is a relatively common sturgeon species in aquaculture and possesses similar developmental patterns to those of other sturgeons; hence, we can use this species as a model for further studies about sturgeon species which are more difficult to breed artificially. Information about the embryonic development of the Adriatic sturgeon could assist restocking programmes.

Trends in aquaculture and conservation of sturgeons: a review of molecular and cytogenetic tools

“…Park et al (2013) described normal embryonic development with 30 developmental stages in Siberian sturgeon (Acipenser baerii) at a constant temperature (18°C). However, Cabrera et al (2016) described 36 developmental stages in Adriatic sturgeon (A. naccarii) at a constant temperature (17 AE 1°C).…”

“…However, Cabrera et al . (2016) described 36 developmental stages in Adriatic sturgeon ( A. naccarii ) at a constant temperature (17 ± 1°C).…”

Morphological development in the first life phase of Adriatic sturgeon Acipenser naccarii under controlled conditions

“…Although embryonic development of A. naccarii has recently been described (Cabrera et al, 2015), most of the available studies on this sturgeon species focus on morphological and physiological adjustments to changes in ambient salinity (Cataldi et al, 1995McKenzie et al, 1999McKenzie et al, , 2001aMcKenzie et al, , 2001bMartínez-Álvarez et al, 2002Martínez-Álvarez et al, , 2005Carmona et al, 2004), ontogenesis of various organs (Cataldi et al, 2002;Vázquez et al, 2002;Grandi & Chicca, 2004;Icardo et al, 2004;Gomez et al, 2009;Camacho et al, 2011), ampullary organs (Camacho et al, 2007), early ontogeny with special focus on the digestive tract and cutaneous receptors (Boglione et al, , 2006, some aspects related to feeding and nutrition (Agradi et al, 1993;Soriguer et al, 2002) and digestive (Furné et al, 2005(Furné et al, , 2008a and antioxidant (Trenzado et al, 2006;Furné et al, 2008b) capacities, however less is known about structural development at a macroscopic level.…”