@article{fdi:010080495, title = {{T}rophic ecology, habitat, and migratory behaviour of the viperfish {C}hauliodus sloani reveal a key mesopelagic player}, author = {{E}duardo, {L}. {N}. and {L}ucena-{F}redou, {F}. and {M}incarone, {M}. {M}. and {S}oares, {A}. and {L}e {L}oc'h, {F}ran{\c{c}}ois and {F}redou, {T}. and {M}{\'e}nard, {F}r{\'e}d{\'e}ric and {B}ertrand, {A}rnaud}, editor = {}, language = {{ENG}}, abstract = {{M}esopelagic fishes are numerically the most important vertebrate group of all world's oceans. {W}hile these species are increasingly threatened by anthropogenic activities, basic biological knowledge is still lacking. {F}or instance, major uncertainties remain on the behaviour, ecology, and thus functional roles of mesopelagic micronektivores, particularly regarding their interactions with physicochemical features. {H}ere, we examine the trophic ecology, habitat, and migratory behaviour of the viperfish ({C}hauliodus sloani)-a poorly known and abundant deep-sea species-to further understand the ecology and thus functional role of mesopelagic micronektivores. {M}oreover, we explore how physical drivers may affect these features and how these relationships are likely to change over large oceanic areas. {T}he viperfish heavily preys on epipelagic migrant species, especially myctophids, and presents spatial and trophic ontogenetic shifts. {T}emperature restricts its vertical distribution. {T}herefore, its trophodynamics, migratory behaviour, and functional roles are expected to be modulated by the latitudinal change in temperature. {F}or instance, in most tropical regions the viperfish stay full-time feeding, excreting, and serving as prey (e.g. for bathypelagic predators) at deep layers. {O}n the contrary, in temperate regions, the viperfish ascend to superficial waters where they trophically interact with epipelagic predators and may release carbon where its remineralization is the greatest.}, keywords = {{BRESIL} ; {ATLANTIQUE} ; {FERNANDO} {DE} {NORONHA} {ARCHIPEL}}, booktitle = {}, journal = {{S}cientific {R}eports}, volume = {10}, numero = {1}, pages = {20996 [13 ]}, ISSN = {2045-2322}, year = {2020}, DOI = {10.1038/s41598-020-77222-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010080495}, }