@inproceedings{fdi:010094070, title = {{S}hedding lights on the diversity and nutritional benefits of small dried fishes in {M}adagascar}, author = {{T}odimazava, {L}. and {D}arias, {M}aria {J}. and {M}ouquet {R}ivier, {C}laire and {J}aonalison, {H}. and {P}onton, {D}ominique and {D}urand, {J}ean-{D}ominique and {M}ahafina, {J}. and {L}amy, {T}homas}, editor = {}, language = {{ENG}}, abstract = {{M}adagascar is renowned for its wide range of aquatic organisms, particularly crabs, octopus and fish. {T}he latter are particularly abundant and are sold in a variety of forms (fresh, salted, smoked or dried) and sizes, ranging from large to small individuals. {S}mall dried fish ({SDF}) are abundant and omnipresent across {M}alagasy markets. {H}owever, they remain poorly understood in terms of their cultural and taxonomic diversity, as well as their nutritional benefits. {A}s an accessible and affordable food source, {SDF} could help alleviate micronutrient deficiencies, a major issue in {M}adagascar. {I}n this study, we explored the diversity and nutritional importance of {SDF} sampled at 16 markets and 12 towns along the {N}ational {R}oad 7, which connects {T}oliara (coast) to {A}ntananarivo (inland). {F}or that purpose, we combined: (i) a socio-economic survey of 112 vendors, (ii) taxonomic (traditional and molecular) analyses to identify the diversity of fish species sold across 131 batches of {SDF}, and (iii) nutritional and heavy metal analyses of the 10 most popular batches. {W}e assessed their the potential intake of key nutrients and heavy metals from {SDF} and contribution to {R}ecommended {D}ietary {A}llowance ({RDA}) and maximum {T}olerable {W}eekly {I}ntake ({TWI}), respectively, considering daily? portions of 10 g for infants (7-11 months) and 20 g for both children (1-3 years) and women of childbearing age (15-50 years). {W}e identified 43,819 individual fish specimens corresponding to 8.1 kg across the 131 batches sampled. {T}hese specimens were classified into 233 morpho-species belonging to 110 genera and 61 families, with the {C}lupeidae, {E}ngraulidae and {P}oeciliidae families being the most represented in terms of both biomass and abundance. {T}hirty distinct types of {SDF} were characterized, of which 19 are commonly consumed by humans, such as the freshwater fish varieties {P}irina and {V}arilava, with appreciation rates of 89% and 83% respectively. {SDF} are mainly consumed with rice, cassava or maize, and are generally prepared in sauces, fried or mixed with leafy vegetables. {C}onsumption of {SDF} provides essential nutrients for humans. {A}cross the three population groups, {SDF} contribute at least 30% of the {RDA} for selenium, calcium, phosphorus, magnesium and iron. {F}or infants, a 10g portion could meet more than 81% of daily calcium and selenium {RDA}. {M}ost {SDF} also provide more than 42% of the {RDA} for iron and 29% for manganese. {F}or children 1-3  and women of childbearing age, a 20 g portion covers more than 100% of the {RDA} for calcium, selenium and iron, particularly for the {M}atsiroky, {K}alatambo and {A}mbotsika types of {SDF}. {I}n all groups, contributions to potassium, copper and zinc {RDA} were moderate. {V}itamin {A} was not detected in the ten {SDF} lots, except for a small trace in {A}mbotsika. {S}ome types of {SDF} ({M}atsiroky) exhibited by significant traces of arsenic, cadmium and lead, requiring moderate consumption. {T}his study enhances our understanding of the potential role of {SDF} in health and nutritional security and identifies the types most likely to improve nutritional outcomes for the population.{K}ey words: {S}mall dried fish, micronutrients, heavy metals, {R}ecommended {D}ietary {A}llowance ({RDA}), food security, {M}adagascar.}, keywords = {{MADAGASCAR} ; {OCEAN} {INDIEN}}, numero = {}, pages = {{OOS}2025--181 [2 ]}, booktitle = {}, year = {2025}, DOI = {10.5194/oos2025-181}, URL = {https://www.documentation.ird.fr/hor/fdi:010094070}, }