Biology of red mullet, Mullus barbatus (L. 1758), in the Gulf of Castellammare (NW Sicily, Mediterranean Sea) subject to a trawling ban

Sieli, G.; Badalucco, C.; Stefano, Giuseppe Di; Rizzo, P.; D’Anna, Giovanni; Fiorentino, Fabio

doi:10.1111/j.1439-0426.2011.01784.x

Cited by 21 publications

(19 citation statements)

References 29 publications

(30 reference statements)

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“…40 F29.960.23−1.5402.315otolithSardiniaWM8.9413.2616.6919.4121.5823.3024.6725.7626.62Sieli et al . 17 F22.120.38−0.9402.269otolithGulf of CastellammareWM6.6411.5414.8817.1718.7419.8120.5421.0421.38Canali 37 F25.50.74−0.5002.682otolithTuscany coastWM7.8917.1021.4923.5924.5925.0625.2925.4025.45Passalaigue, 65 F24.50.6−0.2002.556otolithGulf of LionWM2.7712.5717.9620.9122.5323.4223.9124.1724.32Passalaigue, 65 F210.6−0.4002.423scaleGulf of LionWM4.4811.9316.0218.2719.5020.1820.5520.7520.86Spedicato et al . 52 F27.280.467−0.4102.541LFDaCentral-Southern TyrrhenianWM4.7513.1618.4321.7323.8025.1025.9126.4226.74Voliani et al .…”

Section: Resultsmentioning

confidence: 99%

A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)

Carbonara

Intini

Kolitari

et al. 2018

Sci Rep

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The growth of Mullus barbatus has been widely studied using different methods, but no previous study has focused on age validation. The uncertainty in estimating the age of the red mullet by otolith reading is linked to the number of false-growth increments laid down before the annulus. The capture of red mullets in the early life stage allowed us to estimate their size at the metamorphosis from the pelagic to the demersal phase. The comparison between the metamorphosis size and the back-calculated length of the first growth increment clarified the position of the false growth increment on the otolith. Moreover, the analyses of the otolith marginal increments in adult and juvenile specimens allowed us to define the deposition patterns of their annuli. The modal components of the length–frequency distribution analysis (LFDA) were identified in the winter survey (ELEFAN and Bhattacharya methods), and they did not show significant differences from the length back-calculation of the annuli. Moreover, no significant differences were found between the growth curves calculated by otolith reading (back-calculation and direct otolith reading) and the LFDA. The agreement between the length–frequency results and the otolith age estimation either corroborated or indirectly validated the growth pattern estimated in the otoliths of the red mullet, mainly when the direct validation methods (e.g. mark-recapture, captivity, radiochemical) were difficult to implement, like the case of this species. The comparison of the results of the present work to previous Mediterranean studies showed agreement with the slow growth pattern.

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Section: Resultsmentioning

confidence: 99%

A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)

Carbonara

Intini

Kolitari

et al. 2018

Sci Rep

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“…Since the specimens were collected only during autumn months, it was not possible to verify the periodicity of marks laid monthly following the classical marginal increment analysis (MIA; Campana 2001). Similar to Mullus barbatus Linnaeus, 1758, the first translucent ring was considered the demersal check laid down during bottom settlement after the pelagic life stage (Sieli et al 2011). Annuli (i.e.…”

Section: Methodsmentioning

confidence: 99%

Preliminary study on the biological traits of the Por’s goatfish Upeneus pori (Chordata: Actinopterygii) off the southern coast of Lampedusa Island (Central Mediterranean)

Geraci

Scannella

Falsone

et al. 2018

The European Zoological Journal

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One hundred and six specimens of the Por's goatfish, Upeneus pori Ben-Tuvia & Golani (1989), a Lessepsian species native to the Western Indian Ocean, were collected from bottom trawlers' catches from 2012 to 2016 on the deep shelf off the southern coast of Lampedusa Island (Strait of Sicily, Central Mediterranean Sea). Since it first appeared in Iskenderun Bay (Turkey) in 1950, the Por's goatfish has quickly spread in Levantine Sea waters to become a commercial species used by local fisheries, while continuing its range expansion along the southeastern coasts of the Mediterranean. Because the Strait of Sicily currently represents the westernmost sector of this species distribution area, it might serve as a stepping-stone for this species' expansion in the western basin of the Mediterranean. Supporting this hypothesis was our finding of specimens with post-spawning gonads. The pattern of westward expansion by the Por's goatfish in the Mediterranean Sea and its settlement in the Strait of Sicily are discussed in relation to the warming trend over the last 30 years.

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“…This fish has a high commercial value and is an important resource for the Mediterranean demersal fisheries (Tserpes et al., and references therein; Stergiou et al., ; Katsanevakis et al., ). Because these Mediterranean stocks are considered as heavily exploited, appropriate management schemes are needed (Tserpes et al., and references therein; Ozbilgin et al., ; Merino et al., ; Sieli et al., ).…”

Section: Introductionmentioning

confidence: 99%

Oocytes development, maturity classification, maturity size and spawning season of the red mullet (Mullus barbatus barbatus Linnaeus, 1758)

et al. 2013

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Summary The present study was designed to identify maturity of female red mullet, Mullus barbatus barbatus, using microscopic criteria, offering an accurate determination of the ovarian cycle and estimation of maturity size. Histological analysis of 499 females from 13 monthly samplings was applied (Thermaikos Gulf, N. Aegean Sea, Greece). Oocyte development was divided into five stages, with a mean oocyte size range from 56 to 363 μm in diameter. Ovarian maturity was defined by the maturation stage of the most advanced oocytes and divided into four phases. By using the monthly changes in the percentage frequency of ovarian phases, the ovarian cycle of M. barbatus was divided into three periods: a long period of early oogenesis (November to February), a short period of vitellogenesis (February to April) and a spawning period from April through June with peak activity in May. Both gonadosomatic (up to 7.5%) and hepatosomatic indices (up to 2%) can be used together to predict the spawning period. Red mullet should be classified as a multiple spawning species. Females reached 50% maturity (Lm50) at 11.4 cm and 95% maturity (Lm95) at 15.5 cm TL. The Lm50 values for female red mullet populations across the Mediterranean Sea tended to show differences ranging from 11 to 14.4 cm FL or 11.4–14 cm TL. The current European Union fisheries management plan stipulates a minimum landing size (MLS) of 11 cm TL for Mullidae spp. fisheries in the Mediterranean. This MLS is at the lower part of the Lm50 range, thus allowing an extensive removal of immature juveniles. A revision of this MLS value is recommended to help ensure that red mullet stocks remain within safe biological limits.

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Biology of red mullet, Mullus barbatus (L. 1758), in the Gulf of Castellammare (NW Sicily, Mediterranean Sea) subject to a trawling ban

Cited by 21 publications

References 29 publications

A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)

A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)

Preliminary study on the biological traits of the Por’s goatfish Upeneus pori (Chordata: Actinopterygii) off the southern coast of Lampedusa Island (Central Mediterranean)

Oocytes development, maturity classification, maturity size and spawning season of the red mullet (Mullus barbatus barbatus Linnaeus, 1758)

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