Assessing mesopelagic fish diversity and diel vertical migration with environmental DNA

AF Govindarajan, JK Llopiz, PE Caiger… - Frontiers in Marine …, 2023 - frontiersin.org
Mesopelagic fishes are an important component of the world's oceans in terms of their
abundance, biomass, and ecosystem function. These fishes are important contributors to the …

High uncertainty in fish bioenergetics impedes precision of fish-mediated carbon transport estimates into the ocean's twilight zone

H McMonagle, JK Llopiz, R Hilborn… - Progress in …, 2023 - Elsevier
Mesopelagic fishes may contribute substantially to marine carbon transport by consuming
organic carbon near the surface at night and releasing it in the mesopelagic zone during the …

Mid‐summer fish behavior in a high‐latitude twilight zone

S Kaartvedt, S Christiansen… - Limnology and …, 2023 - Wiley Online Library
The behavior of the mesopelagic fish Benthosema glaciale was studied at 60° N in mid‐
summer. We hypothesized that diel vertical migration (DVM) is constrained by short and …

First recording of a bathypelagic deep scattering layer in the Bay of Biscay

M Peña, I Munuera–Fernández, E Nogueira… - Progress in …, 2021 - Elsevier
Acoustic meso-and bathypelagic studies are scarce in the Bay of Biscay but increasing over
the last years. This study provides a description of seasonal and bathymetric variation in the …

Swimbladder properties of Cyclothone spp. in the northeast Atlantic Ocean and the Western Mediterranean Sea

AN Sarmiento-Lezcano, MP Olivar… - Frontiers in Marine …, 2023 - frontiersin.org
Non-migratory bristlemouth fishes (Cyclothone spp.) are the most abundant vertebrates on
Earth and play an important role in the biological carbon pump by remineralizing organic …

[HTML][HTML] Atlantic versus Mediterranean deep scattering layers around the Iberian peninsula

M Peña - Progress in Oceanography, 2024 - Elsevier
Deep scattering layers (DSLs) play an important role in pelagic food webs, and are
inhabited by the world's most abundant invertebrates. Recent research has begun to reveal …

[HTML][HTML] Unveiling the bathypelagic zone with an acoustic vertical profiler

M Peña, S Hernández-León - Deep Sea Research Part I: Oceanographic …, 2023 - Elsevier
There is a growing interest in the study of mesopelagic and bathypelagic species due to
their implication in the active carbon flux and climate change. Underwater acoustics is one of …

Shaping of deep scattering layers by the seascape dynamics in the Canary islands

M Peña, P Vélez-Belchí - Progress in Oceanography, 2023 - Elsevier
Vertical distribution of deep scattering layers (DSL) has been related to dissolved oxygen
and illuminance levels as well as to horizontal water mass boundaries. Regional differences …

Seasonal patterns in the mesopelagic fish community and associated deep scattering layers of an enclosed deep basin

Z Kapelonis, A Siapatis, A Machias, S Somarakis… - Scientific Reports, 2023 - nature.com
Mesopelagic fish constitute the most abundant vertebrate group in the marine environment.
The current work reports on results of three seasonal acoustic cruises carried out in the Gulf …

[HTML][HTML] Target strength of Cyclothone species with fat-filled swimbladers

M Peña, L Andrès, R González-Quirós - Journal of Marine Systems, 2023 - Elsevier
The use of acoustic scattering models provide estimates of single target echoes that allow
acousticians to convert acoustic information into biologically meaningful measures. The …