Age and Growth of the Bivalve Arca Noae L. In the Croatian
Adriatic Sea

Peharda, Melita; Richardson, Christopher A.; Onofri, Vladimir; Bratoš, Ana; Crnčević, Marija

doi:10.1093/mollus/68.4.307

Cited by 31 publications

(36 citation statements)

References 3 publications

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“…It filters the seawater in order to perform respiration and feeding, and consequently it efficiently accumulates nutrients, but also various toxins from the environment. As a slow-growing organism, A. noae can obtain length between 70 and 90 mm and live up to 16 years (Peharda et al 2002 and2003), but in unexploited populations the largest specimens with 120.3 mm in length and 24 years old were observed as well (Puljas et al 2015). Therefore, A. noae could be a very efficient accumulator of various contaminants, including heavy metals, and it could be potentially a good bioindicator of a long-term metal contamination in the coastal marine ecosystems.…”

mentioning

confidence: 99%

Trace Metals in Noah’s Ark Shells (Arca noae Linnaeus, 1758): Impact of Tourist Season and Human Health Risk

Ivanković

Erk

Župan

et al. 2016

Arch Environ Contam Toxicol

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Commercially important bivalve Noah's Ark shell (Arca noae Linnaeus, 1758) represents a high-quality seafood product, but the data on levels of metal contaminants that could pose a human health risk and also on some essential elements that are important for health protection are lacking. This study examineds the concentrations of Cd, Pb, Cr, Ni, Cu, Co, and Zn in the mg/kg wet weight. These levels were lower than the permissible limits for safe consummation of seafood, and only for Cd, some precautions should be taken into account if older shellfish were consumed. Increase of Cd, Cr, and Cu in shell tissue was observed during the tourist season at the site closest to the marine traffic routes, indicating that metal levels in shellfish tissue should be monitored especially carefully monitored during the peak tourist season, to prevent eventual toxic effects due to increased intake of metals, specifically of Cd.

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confidence: 99%

Trace Metals in Noah’s Ark Shells (Arca noae Linnaeus, 1758): Impact of Tourist Season and Human Health Risk

Ivanković

Erk

Župan

et al. 2016

Arch Environ Contam Toxicol

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“…However, since reproductive activity can not be precisely determined from the analysis of condition index, future study should use histological techniques to analyze reproduction of this species in the eastern Adriatic. The formation of annual growth bands as a result of seasonal changes in shell deposition is common in bivalve species (Richardson, 2001;Peharda et al, 2002). Temperate water bivalves show reduced growth mostly in winter months due to adverse environmental conditions; declining of water temperature and lack of food (Richardson, 2001), but there are also some species in which formation of growth bands took place in summer months; such as Callista chione (Ezgeta-Balić et al, 2011) and Acanthocardia tuberculata (Peharda et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

“…For age and growth determination we analyzed right valves of 69 specimens ranging in length from 17.7 to 43.5 mm (mean±st.dev=31.9±5.5 mm) that were collected in February. Each specimen was embedded in epofix resin (Struers), sectioned from the umbo to the ventral edge, ground, polished and etched for 45 seconds in 0.1 M HCl, and acetate peel replicas were prepared (Richardson, 2001;Peharda et al, 2002). Growth rings were not visible in 5% of analysed specimens and these were omitted from further analysis.…”

Section: Methodsmentioning

confidence: 99%

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Juri¹,

Bueli²,

Ezgeta-Bali³

et al. 2012

Turk. J. Fish. Aquat. Sci.

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Age, growth and condition index of commercially important chequered carpet shell Venerupis decussata (Linnaeus, 1758) were studied in the Pag Bay -eastern Adriatic Sea. Monthly samples were collected from commercial catch from January to November 2007. Age and growth were determined from internal growth bands of 69 shells ranging in length from 17.7 to 43.5 mm. Marginal increment analysis performed on 68 shells (26.4±3.4 mm) confirmed that growth bands are annually formed in February. Condition index was determined monthly on 30 specimens, and maximal value was recorded in April. Formation of growth bands corresponded to a period of slow growth which was recorded prior to the increase of condition index. Distance from the umbo to the each visible growth ring was measured and growth parameters L ∞ and k were estimated using the Gulland-Holt method (38.73 mm and 0.52 year -1 , respectively) and by fitting length at age data to a von Bertalanffy growth curve (37.91 mm and 0.57 year -1 ). Majority of analysed specimens were two years old and the oldest specimens analysed had six years. In conclusion, these data suggest that V. decussata is a short -living species with the most intensive growth occurring during the first two years.

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“…The majority of harvested A. noae is sold on the black market (≈7 EUR / kg) during the tourist season or is consumed by the local population (Župan et al, 2012). Previous studies have shown that this species can obtain a maximum length of between 70 and 90 mm (Hrs-Brenko & Legac, 1996;Poppe & Goto, 2000) and lives for approximately 15 years, requiring 3 to 7 years to reach a commercial length of 50 mm (Peharda et al, 2002(Peharda et al, , 2003.…”

Section: Introductionmentioning

confidence: 99%

“…This work is a part of intensive experimental investigations carried out from 2001 to 2004, mostly in the area of Mali Ston Bay, by a team of scientists from the Institute of Oceanography and Fisheries, Split-Laboratories Dubrovnik. The aim of the study was to collect data necessary for assessing the aquaculture potential of the bay and potentially initiating commercial production of Noah's Ark shell A. noae in the eastern part of the Adriatic Sea (Peharda et al, 2002(Peharda et al, , 2003(Peharda et al, , 2006. The reproductive cycle of this species was described by Peharda et al (2006) but no data are available on its biochemical composition and nutritional value.…”

Section: Introductionmentioning

confidence: 99%

Biochemical and fatty acid composition of Arca noae (Bivalvia: Arcidae) from the Mali Ston Bay, Adriatic Sea

et al. 2014

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Biochemical and fatty acid composition of the bivalve Arca noae were investigated in the Mali Ston Bay in relation to environmental conditions. Sampling was carried out monthly, from December 2001 to November 2002. Wet shellfish meat consists on average of 77.61% water and 22.39% dry matter, while dry shellfish meat consists on average of 89.04% organic and 10.96% inorganic matter. PCA analysis identified temperature, nitrate, silicate, MICRO, Chl a and salinity as the most important environmental factors influencing biochemical composition of A. noae. An increase of dry weight content of A. noae was observed during the spring when both the sea temperature and food supply increased rapidly. Contents of protein (54.39-62.06% of dry weight), carbohydrate (4.13-8.07% of dry weight) and lipid (3.46-8.58% of dry weight) varied significantly during the year. Protein and lipid level reached the maximum value in June. The fatty acid profiles of total lipids extracted from A. noae showed high level of unsaturation (UNS/SAT 1.9-3.4). Total polyunsaturated fatty acids (PUFA) represented the majority of total fatty acids (40.3-59.9% of total fatty acids) and the most abundant were eicosapentaenoic (20:5n-3) and docosahexaenoic (22:6n-3) acid. n-3/n-6 PUFA ratio value varied between 2.1 and 5.0 and was the highest during the spring (April to June). Due to their low lipid and high percentages of healthy polyunsaturated fatty acids A. noae can be evaluated as a quality seafood product. The most suitable period of the year for its consumption is in the spring when it reaches its highest nutritional values.

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Age and Growth of the Bivalve Arca Noae L. In the Croatian Adriatic Sea

Cited by 31 publications

References 3 publications

Trace Metals in Noah’s Ark Shells (Arca noae Linnaeus, 1758): Impact of Tourist Season and Human Health Risk

Trace Metals in Noah’s Ark Shells (Arca noae Linnaeus, 1758): Impact of Tourist Season and Human Health Risk

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Biochemical and fatty acid composition of Arca noae (Bivalvia: Arcidae) from the Mali Ston Bay, Adriatic Sea

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