The mesopelagic zone by definition is out of reach for most types of direct observation. Yet, Norwegian fjords offer unique opportunities facilitating mesopelagic studies. They are deep, house mesopelagic fauna, and are easily accessible. At the University of Oslo we take advantage of these near-shore “deep-sea” habitats using echosounders cabled to land stations, in this […]
Tunas are some of the most commercially important, and valuable fish worldwide. They belong to the mackerel family, and there are currently 8 different recognized tuna species. Tunas are also one of the most eaten fish in the world, being sold both largely available as canned tuna, but are also sold in exclusive markets in […]
Oceanic squids in the order Oegopsida are ecologically and economically important species in the open ocean. They are the most diverse group of cephalopods (24 families, morphologically different). They play important roles in the mesopelagic ecosystem as predators to small mesopelagic organisms, and as prey to sharks and whales. The greater hooked squid (Onykia ingens) […]
For all those interesting in the deep scattering layer and historical research, this film from the 1970s gives an interesting perspective. The film is available on YouTube from the Periscope Film LLC archive, one of the largest historic military, transportations, and aviation stock photo collections in the USA.
Siphonophores may be some of the most unique and fascinating creatures residing in the mesopelagic zone. Instead of being a single organism, they are actually colonial, super-organisms consisting of several individuals that function together as one. These individual units are known as zooids, and are specialized to achieve their tasks. Some zooids are developed for […]
Just like in any food web, organisms in the oceans find different ways of making their living; they take up different roles in the food web. Tiny algae, so called phytoplankton, make up a large proportion of the primary producers. While they all grow by taking up CO2, inorganic nutrients and sunlight as their energy […]
Researchers at AZTI explored how they could use environmental DNA (eDNA) collected in the open ocean in order to gather more knowledge on deep sea fish. Model of DNA strands. By Topshots (Adobe Stock) When analyzing samples of seawater taken from the Bay of Biscay, down to a depth of 2000 meters, they detected the […]
Ctenophores are bioluminescent, gelatinous organisms – also known as comb […] Sea angels… Small, yet graceful. It has no shell, […] Metro Bilbao is hosting a photographic exhibition about the most […] Siphonophores may be some of the most unique and fascinating […] It can be hard to see what type of […] The Humbolt […]
Mesopelagic fish have a wide distribution in the ocean twilight zone across the globe. However, their abundance decreases towards the pole, why? Langbehn et al. set out to find the answers, employing a mechanistic, state-dependent life-history model to characterize vertical migrating mesopelagic fish. This model was run along a latitudinal gradient to make predictions about […]
The mesopelagic ecosystem will equip at depths of between […] JETZON (Joint Exploration of the Twilight Zone Ocean Network) […] The two H2020 projects SUMMER and MEESO where funded […] SUMMER is an EU H2020 research project with 22 […]
Marine Hatchetfishes (Sternoptychinae) are a subfamily of small pelagic deep sea fish with a peculiar body shape. Their bodies are pressed in from each side, making them very flat and somewhat reminiscent of a hatchet! 3D Model of Argyropelecus aculeatus, a species known as the “Lovely Hatchetfish”. It only feeds at night, when migrating to […]
Mesopelagics – New gold rush or castle in the sky? Gallery Communication, Dissemination, fun fact, jetzon, Laksesild, mesopelagic species, Mesopelagic zone, open science, Publication, Sin categoría, social media In this recently published article, Fjeld et al. performed […] Mesopelagic fish have a wide distribution in the ocean twilight […] Mesopelagic fish are small, abundant fish […]
LEITAT is a private technological centre with headquarters in Terrassa, Spain with more than 110 years of experience in R&D, technology transfer and industrial innovation services. With over 290 highly skilled team members, LEITAT delivers flexible solutions to face any technological and industrial challenge bringing knowledge and innovation to its partners through applied research in […]
Researchers from AZTI (Spain), National Oceanography Centre (UK), University […] This year’s annual meeting was held in Barcelona at […] The depth and unique characteristics of the Mesopelagic ecosystem […] Mesopelagic fishes form deep acoustic scattering layers during daytime and, […] One of the main goals of the team from the […]
