An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Cephalopoda; Crustacea; DNA barcoding; Hydrobates pelagicus; Myctophidae; Pelagodroma; adults; chicks; coasts; diet; ecology; fish; mercury; Portugal
Abstract:
... The White-faced Storm Petrel (WFSP) Pelagodroma marina has a widespread distribution, although virtually nothing is known about their feeding ecology and distributions at-sea. To describe their foraging areas, a total of 77 birds were equipped with 1 g-GPS loggers on Selvagem Grande, Madeira, Portugal (30° 09′ N, 15° 52′ W), during the 2018 and 2019 breeding seasons. We also assessed the diet of W ...
Myctophidae; bioeconomics; biomass; coasts; decision support systems; ecological competition; fish; fish meal; fish oils; overfishing; simulation models; California; Pacific Ocean
Abstract:
... The ocean's mesopelagic zone (200–1000 m) remains one of the most understudied parts of the ocean despite knowledge that mesopelagic fishes are highly abundant. Apex predators from the surface waters are known to consume these fishes, constituting an important ecological interaction. Some countries have begun exploring the potential harvest of mesopelagic fishes to supply fishmeal and fish oil mar ...
Anne K.S. Justino; Guilherme V.B. Ferreira; Natascha Schmidt; Leandro N. Eduardo; Vincent Fauvelle; Véronique Lenoble; Richard Sempéré; Christos Panagiotopoulos; Michael M. Mincarone; Thierry Frédou; Flávia Lucena-Frédou
... Microplastics (MPs; <5 mm) are a macro issue recognised worldwide as a threat to biodiversity and ecosystems. Widely distributed in marine ecosystems, MPs have already been found in the deep-sea environment. However, there is little information on ecological mechanisms driving MP uptake by deep-sea species. For the first time, this study generates data on MP contamination in mesopelagic fishes fro ...
... Lanternfishes (Myctophidae) are among the most abundant, widespread, and diverse fish groups in the world ocean. They account for a significant part of oceanic fish biomass and play crucial roles in various ecosystem processes, including carbon sequestration and nutrient recycling. However, despite the increasing risks they face (e.g. global warming, plastic pollution, and exploitation of deep-sea ...
... Skipjack tuna (Katsuwonus pelamis) sustain a large-scale fishery in the southwest Atlantic Ocean (SWA), but information about its foraging ecology in this region is still limited. Here we use carbon (δ¹³C) and nitrogen (δ¹⁵N) stable isotope analysis of muscle from individuals collected in 2017–2018 (n = 383) to quantify diet composition and characterize movement patterns. We found a relatively sma ...
... Fish morphometric relationships are key tools for fisheries science and studies of food web dynamics and predator foraging behaviour, but parameterisations are limited for Southern Ocean myctophids (Family Myctophidae). New standard length (LS) to total mass (MT) relationships are therefore described for the 12 biomass‐dominant myctophid fish species living in the Scotia Sea, Southern Ocean, using ...
... The spatial and vertical distribution of larvae, juveniles, and adults of meso- and bathypelagic fish during the dark period of the day was analyzed at three areas in the tropical part of the Mid-Atlantic Ridge, located north and south of the Cape Verde Fault in the zone of the Russian exploration area. The material was collected at four standard layers of 250–0, 700–0, 1500–0, and 2500–0 m. In th ...
... Sri Lankan marine fishery resources were not assessed and updated for the last four decades. A comprehensive survey was performed by R.V. Dr. Fridtjof Nansen, starting from June 24 to July 16, 2018. Variations of fish density and diversity on the continental shelf of Sri Lanka were determined by region (East and West) and depth (20–50 m and 50–100 m) using 65 trawl samples collected. Associations ...
... The diversity of life histories across the animal kingdom is enormous, with direct consequences for the evolution of lifespans. Very short lifespans (maximum shorter than 1 year in their natural environment) have evolved in several vertebrate lineages. We review short‐lived fish species which complete either single (annual/univoltine) or multiple (multivoltine) generations within a year. We summar ...
... Deep-sea fishes were collected by the R/V Sonne from the Kurile-Kamchatka Trench during the summer of 2016. A total 17 specimens were collected by Agassiz trawl and multi-plankton nets. We identified them and provided a species list that includes 2 bristlemouths (Cyclothone atraria and Sigmops gracilis), 2 lanternfishes (Stenobrachius leucopsarus and S. nannochir) and 2 grenadiers (Coryphaenoides ...
... Mesopelagic fishes are important consumers of zooplankton and are the prey of oceanic predators. Some mesopelagic fishes (e.g., Myctophidae) undertake a diel vertical migration where they ascend to the near-surface waters during the night to feed and descend into the depths during the day to avoid predators. Other mesopelagic fishes (e.g., Sternoptyx) remain at depth throughout the day. Although f ...
Clupeidae; Gonostomatidae; Myctophidae; Sparidae; coasts; early development; eggs; fish larvae; ichthyoplankton; multivariate analysis; ontogeny; Mauritania; Morocco
Abstract:
... The distribution of fishes at early development stages in a 0–100 m water layer (0–bottom) in the northern part of the Central East Atlantic (northern and southern parts of Morocco and Mauritania) is considered using multivariate analysis methods. The distribution of different ecological fish groups at their early development stages can be analyzed using data on the number of eggs and larvae of fi ...
... Food of cardinalfish Epigonus аffinis in the northeastern part of the Vavilov Ridge (Guinean Elevation) consists of the pelagic organisms that are a part of the sound-dispersing layers. The main objects of its feeding are euphausiids and fish of the Myctophidae family. As the cardinalfish grows, the size of its victim increases, but the ratio of the length of the prey and the length of the predato ...
Myctophidae; Squalus; body length; diet; females; fisheries management; habitat preferences; habitats; latitude; males; models; population dynamics; reproduction; sex ratio; sexual maturity; sharks; surveys; trophic levels; East China Sea
Abstract:
... The conservation and management of sharks requires appropriate information on their biological and habitat characteristics. Data needed for the conservation and management of two dominant demersal shark species in the East China Sea, the spurdogs (Squalus japonicus and Squalus brevirostris), are inadequate. To remedy this, we analysed biological, catch and abiotic data from bottom trawl surveys co ...
... Lanternfish, a family Myctophidae, use ventro-lateral body photophores for camouflage of the ventral silhouette, a strategy called counterillumination. While other deep-sea fishes possess pigmented filters and silver reflectors to match sunlight filtering down through the depths, myctophids developed a blue-green reflector for this purpose. In this study, we showed in a lanternfish Diaphus watasei ...
... On the basis of an analysis of recent reviews and other published sources, as well as the author’s unpublished data, an annotated checklist of fishes and fish-like animals found in the Russian waters of the northwestern Pacific Ocean at depths greater than 1000 m was compiled. The results show that 244 species of fishes and fish-like animals are currently recorded in this region representing 145 g ...
... The present study aims to characterize and compare the diet of bigeye and yellowfin tunas caught on aggregated schools in the western equatorial Atlantic Ocean. The samples were collected from January 2011 to June 2016. The tunas were measured on board and the stomachs were removed after evisceration. The stomachs were analyzed regarding their Index of Fullness and the importance of each prey in t ...
Myctophidae; ichthyoplankton; juveniles; larvae; species diversity
Abstract:
... The species composition of ichthyoplankton in the open waters of the North Atlantic at the cross-section from 30° N to the equator is considered. The study was performed during the 43rd expedition of R/V Akademik Vavilov. The cross-section passed through the central and southern peripheral waters of the Northern Subtropical Anticyclonic Circulation and also crossed the waters of the Northern Tropi ...
... AIM: Lanternfish (Myctophidae) are one of the most abundant and ecologically important families of pelagic teleosts, yet how these species will respond to climate change is unclear, especially within polar regions. The aim of this study was to predict the impact of climate change on the distribution of Southern Ocean lanternfish and to relate these predicted responses to species traits. LOCATION: ...
Ana Cristina Teixeira Bonecker; Mario Katsuragawa; Márcia Salustiano de Castro; Claudia Namiki; Maria de Lourdes Zani‐Teixeira; Igor Uchôa Farias; Ilson Carlos Almeida da Silveira
... Many marine organisms spend the early life history stages in neuston domain. Although the importance of ichthyoneuston, few studies were developed in the Southwest Atlantic Ocean. Therefore, this study aimed to improve the knowledge on ichthyoneuston of the Brazilian coast analyzing the vertical stratification and horizontal distribution of these organisms. Neuston samples were collected in daylig ...
... Marine plastic debris, including microplastics (<5 mm in size), comprises a suite of chemical ingredients and sorbed chemical contaminants. Thus, microplastics are a potential, and debated, source of anthropogenic chemicals for bioaccumulation and biomagnification. Several studies have investigated the role of microplastics as a vector of contaminants to marine organisms via modeling exercises, la ...
... In this work 437 fish samples of species belonging to the families Myctophidae (Electrona risso and Diaphus metopoclampus) and Phosichthyidae (Vinciguerria attenuata) were examined for the presence of Anisakidae larvae. The study was performed with fishes in the central Mediterranean Sea, particularly in the Strait of Sicily and in the Strait of Messina. The visual inspection and chloro-peptic ana ...
John F. Piatt; Mayumi L. Arimitsu; William J. Sydeman; Sarah Ann Thompson; Heather Renner; Stephani Zador; David Douglas; Scott Hatch; Arthur Kettle; Jeff Williams
Fratercula cirrhata; Gadus chalcogrammus; Mallotus villosus; Myctophidae; Pleurogrammus monopterygius; biogeography; cluster analysis; diet; fish communities; fisheries; food webs; forage; forage fish; geographical variation; habitats; herring; marine ecosystems; models; piscivores; samplers; seabirds; species diversity; squid; Aleutian Islands; Gulf of Alaska
Abstract:
... The tufted puffin (Fratercula cirrhata) is a generalist seabird that breeds throughout the North Pacific and eats more than 75 different prey species. Using puffins as samplers, we characterized the geographic variability in pelagic food webs across the subarctic North Pacific from the composition of ~10,000 tufted puffin meals (~56,000 prey items) collected at 35 colonies in the Gulf of Alaska (G ...
... The blue shark, Prionace glauca (L.), is one of the most abundant pelagic sharks, and determining their feeding habits is important for understanding the ocean ecosystem. Generally, stomach contents analysis has been used to evaluate its feeding habits; however simply analyzing stomach contents reveals short-term feeding habits. In this study, we examined feeding habits of blue sharks in the North ...
... The trophic ecology of Chauliodus sloani (Stomiidae) was thoroughly investigated by stomach content analysis for the first time in the Mediterranean. Overall 206 individuals (64.0–260.0 mm SL) were collected from 2013 to 2015. C. sloani can be defined a specialist predator which feeds exclusively on mesopelagic fish belonging to Gonostomatidae, Myctophidae, Paralepididae, Phosichthyidae, Sternopty ...
... Myctophids are the biomass-dominant mesopelagic fishes in the Southern Ocean, but their trophic role within the pelagic food web south of the Antarctic Polar Front is poorly resolved from a seasonal perspective at the ocean-basin scale. In this study, the predatory impact of the predominant Southern Ocean myctophid community (Electrona antarctica, Electrona carlsbergi, Gymnoscopelus braueri, Gymno ...
... A study on the assemblage composition and vertical distribution of larval fish was conducted in the southern area of the Moroccan Atlantic coast in Autumn 2011. A total of 1 680 fish larvae taxa were identified from 21 families. The majority of the larvae were present in the upper layers. Clupeids were the most abundant larvae taxa followed by Myctophidae, Gadidae and Sparidae, hence the larval fi ...
... Size-related shifts in feeding habits of juvenile yellowfin tuna (YFT), Thunnus albacares (Bonnaterre, 1788), in Ecuadorian waters were assessed using stomach content analysis (SCA) (n=339) and stable isotope analysis (n=83). In all size classes, fishes were the predominant prey group in the diet (Alimentary Index, %AI=96.86) followed by cephalopods (%AI=3.29) and crustaceans (%AI=0.03). PERMANOVA ...
... The shore stranding of mesopelagic fauna is a recurrent phenomenon in the Strait of Messina (Central Mediterranean Sea). The aim of this paper is to test the influence of lunar phases, winds and seasons upon the frequency of occurrence of strandings of mesopelagic fish. Species abundance in relation to these factors was quantified for the first time. Specimens were collected stranded on the shore ...
... This work presents alternative extraction and analysis techniques to identify microplastics in the environment. This study aims to address previously noted issues with methods that use aggressive extraction treatments or optical microscopy identification techniques alone. Pulsed ultrasonic extraction with ultrapure water was used to remove microplastics from fish stomachs without dissolving the st ...
... Briggs () published the first checklist of circumtropical fishes with 107 species. This work served for a half century as the most comprehensive checklist of globally distributed fishes, but the intervening years witnessed many discoveries, and molecular data have changed the way we evaluate species. Here, we update the list guided by taxonomic revisions, phylogenies, phylogeographic data and DNA ...
M. Pilar Olivar; J. Ignacio González-Gordillo; Jordi Salat; Guillem Chust; Andrés Cózar; Santiago Hernández-León; M. Luz Fernández de Puelles; Xabier Irigoien
... Surface waters are an attractive foraging ground for small fish in the open ocean. This study aims to determine the importance of vertically migrating species in the neuston of oceanic waters across the Atlantic, Indian and Pacific Oceans and to ascertain the influence of environmental variables on their distribution patterns. Neustonic fish assemblages were primarily controlled by light. They wer ...
... Comprehensive trophic studies in the vast mid-oceanic regions are rare compared to coastal and fisheries-oriented investigations. Field sampling conducted by the multidisciplinary, international Census of Marine Life project MAR-ECO, namely the 2004 G.O. Sars cruise, has generated one of the largest open ocean deep-pelagic sample collections ever obtained. With the overall goal of understanding ca ...
Antigonia; Myctophidae; arthropods; beak; diet; fish; nutrition information; otoliths; squid; stomach; whales; Cape Verde; Western Africa
Abstract:
... Despite having a worldwide distribution in tropical waters, knowledge on pygmy killer whales Feresa attenuata , including diet, is poor, with only a few studies carried out to date. The presence of otoliths and beaks in stomachs that have been examined indicate that the diet of F. attenuata includes squid, octopus and fish. In this study, the stomach contents of two F. attenuata recently stranded ...
... The qualitative and quantitative composition of ichthyoplankton in the waters of Senegal and Guinea-Bissau during the winter period of 2012–2013 are considered. Approximately 120 species of pelagic eggs and larvae of fishes belonging to 64 families are identified in the ichthyoplankton samples. The eggs and larvae of Clupeidae, Carangidae, Scombridae, Myctophidae, Sparidae, Bothidae, Scianidae, an ...
Serranidae; adults; Labridae; Scaridae; Myctophidae; surface temperature; surface water; dissolved oxygen; oxygen; Nomeidae; fish larvae; Clupeidae; plankton; salinity; river water; chlorophyll; habitats; United States; British Virgin Islands; Caribbean Sea; Atlantic Ocean; Amazon River; Netherlands Antilles
Abstract:
... During April to June 2009, a large bolus of Amazon River water impacted the northeastern Caribbean Sea. Shipboard observations collected near Saba Bank, the U.S. and British Virgin Islands, and the Anegada Passage showed low surface salinity (35.76 ± 0.05 Practical Salinity Unit (PSU)), elevated surface temperature (26.77 ± 0.14°C), high chlorophyll‐a (1.26 ± 0.21 mg m⁻³) and high dissolved oxygen ...
... The feeding habits of the bathypelagic, non-migratory myctophid Diaphus metopoclampus from a shrimp fishing ground area in the Strait of Sicily were analyzed. Overall, 296 adult specimens ranging from 50.8 to 92.8 mm standard length (SL) (mean SL = 72.9 ± 8.0 mm) were collected during two trawl surveys (October 2010 and May 2011) and their stomach contents were examined in order to provide new inf ...
... Fishes of the order Myctophiformes (Teleostei; Scopelomorpha) comprise over half of all deep-sea biomass, and are a critical component of marine ecosystems worldwide. Members of the family Myctophidae, within Myctophiformes, form the majority of species diversity within the order (∼250 species, 33 genera, 2 subfamilies), and are further known for their diverse bioluminescent traits, comprised of d ...
... Myctophids are important components of marine food webs, but little is known about the diets of many species in large stretches of the ocean. To fill this knowledge gap, Myctophum lychnobium, Symbolophorus evermanni, Centrobranchus andreae, Myctophum aurolaternatum, and Myctophum nitidulum were collected off the previously unsampled Mariana Islands in 2007. Myctophum lychnobium predominately consu ...
Brevoortia tyrannus; Etrumeus; Gulf Stream; Leiostomus xanthurus; Micropogonias undulatus; Myctophidae; animal exploration and collection; chlorophyll; continental shelf; correlation; correspondence analysis; ecosystems; fish larvae; habitats; herring; hydrodynamics; larval development; menhaden; oceans; plateaus; population density; spawning; topographic slope; winter; zooplankton; Sargasso Sea; Southeastern United States
Abstract:
... Serial, cyclonic, mesoscale eddies arise just north of the Charleston Bump, a topographical rise on the continental slope and Blake Plateau, and characterize the U.S. outer shelf and upper slope in the region of the Charleston Gyre. This region was transected during the winters of 2000, 2001, and 2002, and hydrographic data and larval fishes were collected. The hydrodynamics of the cyclonic eddies ...
... This study identifies important trophic links for epipelagic marine fish predators in Southeast Alaska to improve understanding of marine ecosystem dynamics in response to climate change. Fish predators can be viewed as autonomous samplers whose diets should integrate the available prey taxa commensurate with environmental conditions. We examined fish predators from annual (1997–2011) surveys cond ...
... The diet of the New Zealand fur seal Arctocephalus forsteri was determined from examination of scats and regurgitates collected from two breeding colonies at Banks Peninsula, Canterbury. Identifiable otoliths and squid beaks were obtained from 392 scats and 16 regurgitations collected over four seasons in 2008. Nine species were identified in scats and three species were identified in regurgitates ...
Bathylagidae; Gonostomatidae; Myctophidae; Phosichthyidae; Sternoptychidae; autumn; fish larvae; species diversity; winter
Abstract:
... We examined larval mesopelagic fish assemblages, their distribution, and seasonal occurrence patterns in the Kuroshio–Oyashio transition region of the western North Pacific where complex hydrographic structures are observed due to the confluence of the Kuroshio Extension and Oyashio current. Larvae of the dominant families Myctophidae, Gonostomatidae, Bathylagidae, Sternoptychidae, and Phosichthyi ...
... The Mauritanian Province, which comprises the area from the NW-African shelf to about 20°W and from Cape Timiris to Cape Verde, is redefined on the basis of fish larvae distribution patterns, direct and indirect current measurements, CTD-O2 hydrography and SST-remote sensing. Its northern and western boundaries coincide with, the permanent, although not stationary, Cape-Verde-Frontal-Zone separati ...
... We examined digestive tract contents and stable nitrogen isotope ratios in breast muscles of Flesh-footed Shearwaters Puffinus carneipes associated with high-seas driftnet fisheries in the central North Pacific Ocean. Small fish, Lanternfish (Myctophidae) and Pacific Saury Cololabis saira, were the principal prey found in the digestive tracts. Pieces of unidentified fish, possibly Pacific Pomfret ...